CN204392226U - A kind of C-band frequency source - Google Patents
A kind of C-band frequency source Download PDFInfo
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- CN204392226U CN204392226U CN201420638144.5U CN201420638144U CN204392226U CN 204392226 U CN204392226 U CN 204392226U CN 201420638144 U CN201420638144 U CN 201420638144U CN 204392226 U CN204392226 U CN 204392226U
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Abstract
The utility model discloses a kind of C-band frequency source, comprise phase lock circuitry, loop filter circuit, Voltage-Controlled oscillation circuit and voltage stabilizing circuit; The input of loop filter circuit described in the output termination of described phase lock circuitry, its respective input connects reference clock signal, the corresponding output end of described Voltage-Controlled oscillation circuit and the control signal from user respectively; The corresponding output end of Voltage-Controlled oscillation circuit described in the output termination of described loop filter circuit; The corresponding output end of described Voltage-Controlled oscillation circuit is as the output of described C-band frequency source; The corresponding output end of described voltage stabilizing circuit connects the respective input of described phase lock circuitry, loop filter circuit, Voltage-Controlled oscillation circuit respectively.The utility model achieves the C-band frequency source of small size, and obtains good performance index.
Description
Technical field
The utility model relates to a kind of frequency source, and especially a kind of C-band frequency source, belongs to microwave device technology field.
Background technology
Existing C-band frequency source is generally utilize harmonic oscillator frequency multiplication to carry out filtering to C-band, amplify generation, or adopt general phase-locked (PLL) technology to produce C-band signal, the harmonic oscillator used or voltage controlled oscillator (VCO) bulky, the requirement of product miniaturization cannot be met.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of C-band frequency source of miniaturization.
Technical solution adopted in the utility model is:
A kind of C-band frequency source, comprises phase lock circuitry, loop filter circuit, Voltage-Controlled oscillation circuit and voltage stabilizing circuit; The input of loop filter circuit described in the output termination of described phase lock circuitry, the respective input of described phase lock circuitry connects reference clock signal, the corresponding output end of described Voltage-Controlled oscillation circuit and the control signal from user respectively; The respective input of Voltage-Controlled oscillation circuit described in the output termination of described loop filter circuit; The corresponding output end of described Voltage-Controlled oscillation circuit is as the output of described C-band frequency source; The corresponding output end of described voltage stabilizing circuit connects the respective input of described phase lock circuitry, loop filter circuit, Voltage-Controlled oscillation circuit respectively.
Described phase lock circuitry is made up of phase locking unit A5, electric capacity C22-C24, C27, C29-C30, C33-C34, C36, C40-C45; Described phase locking unit A5 is the PLL chip GM4704 that Chengdu state rises; 1,2,4 and 32 pin of described phase locking unit A5 connect the corresponding output end of described control circuit respectively, 5,6,9,11,12,14,18,22,25,26,27,28 and 29 pin ground connection, its 7 foot meridian capacitor C45 ground connection, its 8 foot meridian capacitor C44 connects the respective input of described loop filter circuit, 10,13,15,17 and 23 pin connect the 3.3V power supply that electric current is 120mA, its 30 pin connects the power supply that electric current is the 3.3V of 80mA, its 19 pin connects the 3.3V power supply that electric current is 20mA, and its 8 foot meridian capacitor C34 meets reference clock signal B; Its 16 pin meets described electric capacity C33 and connects the 3.3V power supply that electric current is 120mA; Its 20 pin connects the respective input of described loop filter circuit; Described electric capacity C27, C29, C30, C42, C43 and C36 are connected between the 3.3V VDD-to-VSS that electric current is 120mA; Described electric capacity C22-C24 is connected between the 3.3V VDD-to-VSS that electric current is 20mA; Described electric capacity C40-C41 is connected between the 3.3V VDD-to-VSS that electric current is 80mA.
Described loop filter circuit is made up of operational amplifier A 2, resistance R9-R14, electric capacity C25, C26, C28, C31, C37-C39; Described operational amplifier A 2 is OP284 chip, and its 1 pin connects the respective input of described Voltage-Controlled oscillation circuit through resistance R12, and its 2 pin is successively through resistance R9, R11 and electric capacity C31 ground connection; Its 3 pin connects through resistance R13 the 3.3V power supply that electric current is 20mA, its 4 pin ground connection, and its 8 pin connects+12V power supply; Node between resistance R9 and R11 connects the corresponding output end of described phase lock circuitry; Electric capacity C28 is connected between node between resistance R9 and R11 and ground; After electric capacity C36 connects with resistance R10, and electric capacity C25 is connected in parallel between 1 pin of operational amplifier A 2 and 2 pin.
Described Voltage-Controlled oscillation circuit is made up of voltage controlled oscillator A3, fixed attenuator A6, attenuator A4, electric capacity C32, C35; Attenuator A4 is BW103 chip; Described fixed attenuator A6 is BW106 chip; Described voltage controlled oscillator A3 is BW422 chip, and its 1 pin connects the corresponding output end of described loop filter circuit, and its 2 pin connects 1 pin of fixed attenuator A6, and its 3 pin and 5 pin connect+5V power supply, and its 4 pin connects 1 pin of attenuator A4; Electric capacity C32 is connected between 1 pin of voltage controlled oscillator A3 and ground; Electric capacity C35 is connected between 3 pin of voltage controlled oscillator A3 and ground; 2 pin of attenuator A4 are as the output of described C-band frequency source; 2 pin of fixed attenuator A6 connect the corresponding output end of described phase lock circuitry.
Described C-band frequency source also comprises+12V voltage stabilizing circuit ,+5.5V voltage stabilizing circuit ,+5V voltage stabilizing circuit and+3.3V voltage stabilizing circuit.
Described+12V voltage stabilizing circuit is made up of inductance Z7, electric capacity C70-C71; Described inductance Z7 mono-termination+12V power supply, its other end is through the electric capacity C70-C71 ground connection of parallel connection; The node of described inductance Z7 and electric capacity C70 is as the output of+12V voltage stabilizing circuit.
Described+5.5V voltage stabilizing circuit is by regulator block U7, resistance R19-R20, and electric capacity C67-C69 forms; Described regulator block U7 is LT1965EMS8 chip, and 1,2 pin are connected together as the output of+5.5V voltage stabilizing circuit, its 3 pin through resistance R20 ground connection, 4,5 pin ground connection, 6,7,8 pin connect+6V power supply; Resistance R19 is connected between 2 pin of regulator block U7 and 3 pin; Between the output that electric capacity C67 is connected on+5.5V voltage stabilizing circuit and ground.
Described+5V voltage stabilizing circuit is made up of regulator block U6, inductance Z5 electric capacity C47-C48, C51-C53, C57-C58; Described regulator block U6 is HMC976LP3 chip, its 1 pin connects the output of described+5.5V voltage stabilizing circuit through inductance Z5, its 2 foot meridian capacitor C51 connects its 10 pin, 3,4 pin are respectively through electric capacity C57 and C58 ground connection, its 5 pin ground connection, its 11 pin is as the output of described+5V voltage stabilizing circuit, and its 14 pin connects its 1 pin; Described electric capacity C47-C48 is connected in parallel between 1 pin of regulator block U6 and ground; Described electric capacity C52-C53 is connected in parallel between 11 pin of regulator block U6 and ground.
Described+3.3V voltage stabilizing circuit is made up of regulator block U5, inductance Z6, resistance R15-R17, electric capacity C54-C56, C46, C49-C50, C59-C60, C63-C64; Described regulator block U5 is HMC860 chip, 1,3 pin connect the output of described+5V voltage stabilizing circuit through inductance Z6, its 2 pin ground connection, its 4 foot meridian capacitor C56 ground connection, its 6 pin is through resistance R17 ground connection, connect its 10 pin through electric capacity C61 simultaneously, its 7 pin connects its 9 pin through the resistance R18 of parallel connection and electric capacity C62, its 8 pin is through resistance R16 ground connection, its 0 pin ground connection, 9,10,12 pin are respectively as+3.3V the output of+3.3V the output of the 120mA ,+3.3V output of 20mA and 80mA, and its 15 pin is through resistance R15 ground connection; Described electric capacity C46 is connected between 12 and 15 pin of regulator block U5; Be connected on after described electric capacity C49-C50 parallel connection between 12 pin of regulator block U5 and ground; Be connected on after described electric capacity C59-C60 parallel connection between 10 pin of regulator block U5 and ground; Be connected on after described electric capacity C63-C64 parallel connection between 9 pin of regulator block U5 and ground; Be connected between 1 pin of regulator block U5 and ground after described electric capacity C54-C55 parallel connection.
The beneficial effect adopting technique scheme to produce is:
1, the utility model achieves the C-band frequency source of small size.
2, the utility model obtains good performance index.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is theory diagram of the present utility model;
Fig. 2 is the circuit theory diagrams of the utility model embodiment 1 phase lock circuitry;
Fig. 3 is the circuit theory diagrams of the utility model embodiment 1 loop filter circuit, Voltage-Controlled oscillation circuit;
Fig. 4 is the circuit theory diagrams of the utility model embodiment+12V voltage stabilizing circuit;
Fig. 5 is the circuit theory diagrams of the utility model embodiment+5.5V voltage stabilizing circuit;
Fig. 6 is the circuit theory diagrams of the utility model embodiment+5V voltage stabilizing circuit;
Fig. 7 is the circuit theory diagrams of the utility model embodiment+3.3V voltage stabilizing circuit.
Embodiment
Embodiment 1:
As shown in Figure 1, a kind of C-band frequency source, comprises phase lock circuitry, loop filter circuit, Voltage-Controlled oscillation circuit and control circuit; The input of loop filter circuit described in the output termination of described phase lock circuitry, its respective input connects the corresponding output end of reference clock signal and described Voltage-Controlled oscillation circuit respectively; The respective input of Voltage-Controlled oscillation circuit described in the output termination of described loop filter circuit; The corresponding output end of described Voltage-Controlled oscillation circuit is as the output of described C-band frequency source; The corresponding output end of described control circuit connects the respective input of described phase lock circuitry, loop filter circuit, Voltage-Controlled oscillation circuit respectively.
As shown in Figure 2, described phase lock circuitry is made up of phase locking unit A5, electric capacity C22-C24, C27, C29-C30, C33-C34, C36, C40-C45; Described phase locking unit A5 is the PLL chip GM4704 that Chengdu state rises; 1,2,4 and 32 pin of described phase locking unit A5 connect the corresponding output end of described control circuit respectively, 5,6,9,11,12,14,18,22,25,26,27,28 and 29 pin ground connection, its 7 foot meridian capacitor C45 ground connection, its 8 foot meridian capacitor C44 connects the respective input of described loop filter circuit, 10,13,15,17 and 23 pin connect the 3.3V power supply that electric current is 120mA, its 30 pin connects the power supply that electric current is the 3.3V of 80mA, its 19 pin connects the 3.3V power supply that electric current is 20mA, and its 8 foot meridian capacitor C34 meets reference clock signal B; Its 16 pin meets described electric capacity C33 and connects the 3.3V power supply that electric current is 120mA; Its 20 pin connects the respective input of described loop filter circuit; Described electric capacity C27, C29, C30, C42, C43 and C36 are connected between the 3.3V VDD-to-VSS that electric current is 120mA; Described electric capacity C22-C24 is connected between the 3.3V VDD-to-VSS that electric current is 20mA; Described electric capacity C40-C41 is connected between the 3.3V VDD-to-VSS that electric current is 80mA.
80MHz is reference clock, is connected to 24 pin of PLL chip GM4704 after capacitance C34.Control signal from user: LE connects 32 pin of GM4704, and DATA connects 1 pin of GM4704, and CLK connects 2 pin of GM4704, and LD connects 4 pin of GM4704.The 20 pin CP termination loop filterings of GM4704,8 pin connect by capacitance C44 the output signal that VCO feeds back.
The PLL chip GM4704 that phase locking unit A5 adopts Chengdu state to rise.
As shown in Figure 3, described loop filter circuit is made up of operational amplifier A 2, resistance R9-R14, electric capacity C25, C26, C28, C31, C37-C39; Described operational amplifier A 2 is OP284 chip, and its 1 pin connects the respective input of described Voltage-Controlled oscillation circuit through resistance R12, and its 2 pin is successively through resistance R9, R11 and electric capacity C31 ground connection; Its 3 pin connects through resistance R13 the 3.3V power supply that electric current is 20mA, its 4 pin ground connection, and its 8 pin connects+12V power supply; Node between resistance R9 and R11 connects the corresponding output end of described phase lock circuitry; Electric capacity C28 is connected between node between resistance R9 and R11 and ground; After electric capacity C36 connects with resistance R10, and electric capacity C25 is connected in parallel between 1 pin of operational amplifier A 2 and 2 pin.
Described Voltage-Controlled oscillation circuit is made up of voltage controlled oscillator A3, fixed attenuator A6, attenuator A4, electric capacity C32, C35; 1 pin of voltage controlled oscillator A3 connects the corresponding output end of described loop filter circuit, and its 2 pin connects 1 pin of fixed attenuator A6, and its 3 pin and 5 pin connect+5V power supply, and its 4 pin connects 1 pin of attenuator A4; Electric capacity C32 is connected between 1 pin of voltage controlled oscillator A3 and ground; Electric capacity C35 is connected between 3 pin of voltage controlled oscillator A3 and ground; 2 pin of attenuator A4 are as the output of described C-band frequency source; 2 pin of fixed attenuator A6 connect the corresponding output end of described phase lock circuitry.
VCO selects Hebei to win the BW422 of prestige, the amplifier OP284GBC of loop filter circuit employing ADI, from 2 pins of the charge pump series connection R9 to amplifier OP284GBC of 20 pin of GM4704, electric capacity C28 is between 20 pin and ground of GM4704, the tandem compound of resistance R11 and electric capacity C31 is between 20 pin and ground of GM4704, electric capacity C25 is between 1 pin and 2 pin of amplifier OP284GBC, the tandem compound of resistance R10 and electric capacity C26 is also between 1 pin and 2 pin of amplifier OP284GBC, resistance R12 is between 1 pin and 1 pin of VCO of amplifier, and electric capacity C32 is between 1 pin and ground of VCO.Divider resistance R13, R14 are connected between+3.3V and 3 pin of amplifier, and+12V connects 8 pin of amplifier, 4 pin ground connection of amplifier, between 2 pin that fixed attenuator BW106 and C44 is connected in series VCO and 8 pin of PLL chip GM4704.3 pin, 5 pin of VCO connect+5V power supply, and 4 pin export and export after attenuator BW103.
Described C-band frequency source also comprises+12V voltage stabilizing circuit ,+5.5V voltage stabilizing circuit ,+5V voltage stabilizing circuit and+3.3V voltage stabilizing circuit.Input power is+12V, Ripple Noise 100mVpp; + 6V, Ripple Noise 100mVpp.
As shown in Figure 4, described+12V voltage stabilizing circuit is made up of inductance Z7, electric capacity C70-C71; Described inductance Z7 mono-termination+12V power supply, its other end is through the electric capacity C70-C71 ground connection of parallel connection; The node of described inductance Z7 and electric capacity C70 is as the output of+12V voltage stabilizing circuit.
As shown in Figure 5, described+5.5V voltage stabilizing circuit is by regulator block U7, resistance R19-R20, and electric capacity C67-C69 forms; Described regulator block U7 is LT1965EMS8 chip, and 1,2 pin are connected together as the output of+5.5V voltage stabilizing circuit, its 3 pin through resistance R20 ground connection, 4,5 pin ground connection, 6,7,8 pin connect+6V power supply; Resistance R19 is connected between 2 pin of regulator block U7 and 3 pin; Between the output that electric capacity C67 is connected on+5.5V voltage stabilizing circuit and ground.
As shown in Figure 6, described+5V voltage stabilizing circuit is made up of regulator block U6, inductance Z5 electric capacity C47-C48, C51-C53, C57-C58; Described regulator block U6 is HMC976LP3 chip, its 1 pin connects the output of described+5.5V voltage stabilizing circuit through inductance Z5, its 2 foot meridian capacitor C51 connects its 10 pin, 3,4 pin are respectively through electric capacity C57 and C58 ground connection, its 5 pin ground connection, its 11 pin is as the output of described+5V voltage stabilizing circuit, and its 14 pin connects its 1 pin; Described electric capacity C47-C48 is connected in parallel between 1 pin of regulator block U6 and ground; Described electric capacity C52-C53 is connected in parallel between 11 pin of regulator block U6 and ground.
As shown in Figure 7, described+3.3V voltage stabilizing circuit is made up of regulator block U5, inductance Z6, resistance R15-R17, electric capacity C54-C56, C46, C49-C50, C59-C60, C63-C64; Described regulator block U5 is HMC860 chip, 1,3 pin connect the output of described+5V voltage stabilizing circuit through inductance Z6, its 2 pin ground connection, its 4 foot meridian capacitor C56 ground connection, its 6 pin is through resistance R17 ground connection, connect its 10 pin through electric capacity C61 simultaneously, its 7 pin connects its 9 pin through the resistance R18 of parallel connection and electric capacity C62, its 8 pin is through resistance R16 ground connection, its 0 pin ground connection, 9,10,12 pin are respectively as+3.3V the output of+3.3V the output of the 120mA ,+3.3V output of 20mA and 80mA, and its 15 pin is through resistance R15 ground connection; Described electric capacity C46 is connected between 12 and 15 pin of regulator block U5; Be connected on after described electric capacity C49-C50 parallel connection between 12 pin of regulator block U5 and ground; Be connected on after described electric capacity C59-C60 parallel connection between 10 pin of regulator block U5 and ground; Be connected on after described electric capacity C63-C64 parallel connection between 9 pin of regulator block U5 and ground; Be connected between 1 pin of regulator block U5 and ground after described electric capacity C54-C55 parallel connection.
+ 12V, after series inductance Z7, shunt capacitance C70, C71, is supplied to 8 pin of amplifier.
Be+5.5V by regulator block U7 by+6V voltage stabilizing; 6,7,8 pin of U7 connect+6V input, 4,5 pin ground connection, and 1,2 pin output+5V, R19 connect 1 pin and 3 pin of U7, and R20 connects 3 pin of U7 and ground.
By regulator block U6 by 5.5V voltage stabilizing for+5V for VCO provides power supply; 1 pin and 15 pin of U6 are received after+5.5V series inductance Z5, shunt capacitance C47, C48; The 11 pin output+5V of U6, electric capacity C51 connect 2 pin and 11 pin of U6, the 5 pin ground connection of U6, and electric capacity C57 connects 3 pin of U6 and ground, and electric capacity C58 connects 4 pin of U6 and ground.
Be three tunnel+3.3V by regulator block U5 by 5.5V voltage stabilizing be that PLL powers; + 5.5V series inductance Z6, receives 1 pin and 3 pin of U5 after shunt capacitance C54, C55; The 12 pin output currents of U5 are the+3.3V of 80mA, the 10 pin output currents of U5 are the+3.3V of 20mA, the 9 pin output currents of U5 are the+3.3V of 120mA, the 2 pin ground connection of U5, and electric capacity C56 connects 4 pin of U5 and ground, resistance R16 connects 8 pin of U5 and ground, electric capacity C62 is connected 7 pin and 9 pin of U5 with the parallel combination of resistance R18, resistance R17 connects 6 pin of U5 and ground, and electric capacity C61 connects 6 pin and 10 pin of U5, resistance R15 connects 15 pin of U5 and ground, and electric capacity C46 connects 15 pin and 12 pin of U5.
The present embodiment can reach following index:
Input signal:
Incoming frequency: 80 MHz;
Input power: 6 ± 1dBm;
Spuious :≤-60dBc;
Input phase noise requirements :-150dBc/Hz1kHz;-160dBc/Hz10kHz;
Standing wave: <1.5.
Output signal:
Output frequency: 6950 ± 300MHz;
Power output: 7 ± 2dBm;
Make an uproar requirement :-90dBc/Hz1kHz mutually;-95dBc/Hz10kHz;
Spuious in frequency agility band :≤-60dBc;
Output voltage standing wave: <1.5;
Frequency step: 10MHz;
Switching time :≤50us.
Claims (9)
1. a C-band frequency source, is characterized in that: comprise phase lock circuitry, loop filter circuit, Voltage-Controlled oscillation circuit and voltage stabilizing circuit; The input of loop filter circuit described in the output termination of described phase lock circuitry, the respective input of described phase lock circuitry connects reference clock signal, the corresponding output end of described Voltage-Controlled oscillation circuit and the control signal from user respectively; The respective input of Voltage-Controlled oscillation circuit described in the output termination of described loop filter circuit; The corresponding output end of described Voltage-Controlled oscillation circuit is as the output of described C-band frequency source; The corresponding output end of described voltage stabilizing circuit connects the respective input of described phase lock circuitry, loop filter circuit, Voltage-Controlled oscillation circuit respectively.
2. C-band frequency source according to claim 1, is characterized in that: described phase lock circuitry is made up of phase locking unit A5, electric capacity C22-C24, C27, C29-C30, C33-C34, C36, C40-C45; Described phase locking unit A5 is the PLL chip GM4704 that Chengdu state rises; 1,2,4 and 32 pin of described phase locking unit A5 connect the corresponding output end of described control circuit respectively, 5,6,9,11,12,14,18,22,25,26,27,28 and 29 pin ground connection, its 7 foot meridian capacitor C45 ground connection, its 8 foot meridian capacitor C44 connects the respective input of described loop filter circuit, 10,13,15,17 and 23 pin connect the 3.3V power supply that electric current is 120mA, its 30 pin connects the power supply that electric current is the 3.3V of 80mA, its 19 pin connects the 3.3V power supply that electric current is 20mA, and its 8 foot meridian capacitor C34 meets reference clock signal B; Its 16 pin meets described electric capacity C33 and connects the 3.3V power supply that electric current is 120mA; Its 20 pin connects the respective input of described loop filter circuit; Described electric capacity C27, C29, C30, C42, C43 and C36 are connected between the 3.3V VDD-to-VSS that electric current is 120mA; Described electric capacity C22-C24 is connected between the 3.3V VDD-to-VSS that electric current is 20mA; Described electric capacity C40-C41 is connected between the 3.3V VDD-to-VSS that electric current is 80mA.
3. C-band frequency source according to claim 1, is characterized in that: described loop filter circuit is made up of operational amplifier A 2, resistance R9-R14, electric capacity C25, C26, C28, C31, C37-C39; Described operational amplifier A 2 is OP284 chip, and its 1 pin connects the respective input of described Voltage-Controlled oscillation circuit through resistance R12, and its 2 pin is successively through resistance R9, R11 and electric capacity C31 ground connection; Its 3 pin connects through resistance R13 the 3.3V power supply that electric current is 20mA, its 4 pin ground connection, and its 8 pin connects+12V power supply; Node between resistance R9 and R11 connects the corresponding output end of described phase lock circuitry; Electric capacity C28 is connected between node between resistance R9 and R11 and ground; After electric capacity C36 connects with resistance R10, and electric capacity C25 is connected in parallel between 1 pin of operational amplifier A 2 and 2 pin.
4. C-band frequency source according to claim 1, is characterized in that: described Voltage-Controlled oscillation circuit is made up of voltage controlled oscillator A3, fixed attenuator A6, attenuator A4, electric capacity C32, C35; Attenuator A4 is BW103 chip; Described fixed attenuator A6 is BW106 chip; Described voltage controlled oscillator A3 is BW422 chip, and its 1 pin connects the corresponding output end of described loop filter circuit, and its 2 pin connects 1 pin of fixed attenuator A6, and its 3 pin and 5 pin connect+5V power supply, and its 4 pin connects 1 pin of attenuator A4; Electric capacity C32 is connected between 1 pin of voltage controlled oscillator A3 and ground; Electric capacity C35 is connected between 3 pin of voltage controlled oscillator A3 and ground; 2 pin of attenuator A4 are as the output of described C-band frequency source; 2 pin of fixed attenuator A6 connect the corresponding output end of described phase lock circuitry.
5. C-band frequency source according to claim 1, is characterized in that: also comprise+12V voltage stabilizing circuit ,+5.5V voltage stabilizing circuit ,+5V voltage stabilizing circuit and+3.3V voltage stabilizing circuit.
6. C-band frequency source according to claim 5, is characterized in that: described+12V voltage stabilizing circuit is made up of inductance Z7, electric capacity C70-C71; Described inductance Z7 mono-termination+12V power supply, its other end is through the electric capacity C70-C71 ground connection of parallel connection; The node of described inductance Z7 and electric capacity C70 is as the output of+12V voltage stabilizing circuit.
7. C-band frequency source according to claim 5, is characterized in that: described+5.5V voltage stabilizing circuit is by regulator block U7, resistance R19-R20, and electric capacity C67-C69 forms; Described regulator block U7 is LT1965EMS8 chip, and 1,2 pin are connected together as the output of+5.5V voltage stabilizing circuit, its 3 pin through resistance R20 ground connection, 4,5 pin ground connection, 6,7,8 pin connect+6V power supply; Resistance R19 is connected between 2 pin of regulator block U7 and 3 pin; Between the output that electric capacity C67 is connected on+5.5V voltage stabilizing circuit and ground.
8. C-band frequency source according to claim 5, is characterized in that: described+5V voltage stabilizing circuit is made up of regulator block U6, inductance Z5 electric capacity C47-C48, C51-C53, C57-C58; Described regulator block U6 is HMC976LP3 chip, its 1 pin connects the output of described+5.5V voltage stabilizing circuit through inductance Z5, its 2 foot meridian capacitor C51 connects its 10 pin, 3,4 pin are respectively through electric capacity C57 and C58 ground connection, its 5 pin ground connection, its 11 pin is as the output of described+5V voltage stabilizing circuit, and its 14 pin connects its 1 pin; Described electric capacity C47-C48 is connected in parallel between 1 pin of regulator block U6 and ground; Described electric capacity C52-C53 is connected in parallel between 11 pin of regulator block U6 and ground.
9. C-band frequency source according to claim 5, is characterized in that: described+3.3V voltage stabilizing circuit is made up of regulator block U5, inductance Z6, resistance R15-R17, electric capacity C54-C56, C46, C49-C50, C59-C60, C63-C64; Described regulator block U5 is HMC860 chip, 1,3 pin connect the output of described+5V voltage stabilizing circuit through inductance Z6, its 2 pin ground connection, its 4 foot meridian capacitor C56 ground connection, its 6 pin is through resistance R17 ground connection, connect its 10 pin through electric capacity C61 simultaneously, its 7 pin connects its 9 pin through the resistance R18 of parallel connection and electric capacity C62, its 8 pin is through resistance R16 ground connection, its 0 pin ground connection, 9,10,12 pin are respectively as+3.3V the output of+3.3V the output of the 120mA ,+3.3V output of 20mA and 80mA, and its 15 pin is through resistance R15 ground connection; Described electric capacity C46 is connected between 12 and 15 pin of regulator block U5; Be connected on after described electric capacity C49-C50 parallel connection between 12 pin of regulator block U5 and ground; Be connected on after described electric capacity C59-C60 parallel connection between 10 pin of regulator block U5 and ground; Be connected on after described electric capacity C63-C64 parallel connection between 9 pin of regulator block U5 and ground; Be connected between 1 pin of regulator block U5 and ground after described electric capacity C54-C55 parallel connection.
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| CN201420638144.5U CN204392226U (en) | 2014-10-29 | 2014-10-29 | A kind of C-band frequency source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100584A (en) * | 2016-06-23 | 2016-11-09 | 上海芯赫科技有限公司 | Voltage-Controlled oscillation circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106100584A (en) * | 2016-06-23 | 2016-11-09 | 上海芯赫科技有限公司 | Voltage-Controlled oscillation circuit |
| CN106100584B (en) * | 2016-06-23 | 2019-02-01 | 广东合微集成电路技术有限公司 | Voltage-Controlled oscillation circuit |
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