JPS63159915U - - Google Patents
Info
- Publication number
- JPS63159915U JPS63159915U JP5263787U JP5263787U JPS63159915U JP S63159915 U JPS63159915 U JP S63159915U JP 5263787 U JP5263787 U JP 5263787U JP 5263787 U JP5263787 U JP 5263787U JP S63159915 U JPS63159915 U JP S63159915U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- oscillation circuit
- voltage
- crystal oscillator
- controlled crystal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000013078 crystal Substances 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Oscillators With Electromechanical Resonators (AREA)
Description
第１図は本考案の一実施例を示す回路図、第２
図は本考案の他の実施例を示す回路図、第３図及
び第４図は従来の回路図、第５図及び第６図は従
来回路及び本考案における制御電圧一周波数特性
図である。
１，６……Ｃ―ＭＯＳインバータ、３……水晶
振動子、８……可変容量素子、９……リアクタン
ス制御回路、１０……移相用ドレイン抵抗。
Figure 1 is a circuit diagram showing one embodiment of the present invention;
The figure is a circuit diagram showing another embodiment of the present invention, FIGS. 3 and 4 are conventional circuit diagrams, and FIGS. 5 and 6 are control voltage-frequency characteristic diagrams in the conventional circuit and the present invention. 1, 6...C-MOS inverter, 3...Crystal resonator, 8...Variable capacitance element, 9...Reactance control circuit, 10...Drain resistor for phase shifting.
Claims (1)
子と共にコルピツツ型発振回路を構成し、増幅器
の入力側又は出力側にリアクタンス制御回路を設
けた電圧制御型水晶発振回路において、増幅器の
出力端と水晶振動子の間に抵抗を設けたことを特
徴とする電圧制御型水晶発振回路。 In a voltage-controlled crystal oscillation circuit in which a C-MOS inverter is used as an amplifier and a crystal oscillator forms a Colpitts-type oscillation circuit, and a reactance control circuit is provided on the input or output side of the amplifier, the output terminal of the amplifier and the crystal oscillator are connected. A voltage-controlled crystal oscillation circuit characterized by having a resistor installed between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5263787U JPS63159915U (en) | 1987-04-07 | 1987-04-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5263787U JPS63159915U (en) | 1987-04-07 | 1987-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63159915U true JPS63159915U (en) | 1988-10-19 |
Family
ID=30877985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5263787U Pending JPS63159915U (en) | 1987-04-07 | 1987-04-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63159915U (en) |
-
1987
- 1987-04-07 JP JP5263787U patent/JPS63159915U/ja active Pending