FR2245130A1 - Linear frequency-voltage converter - supplies charge to capacitor proportional to input frequency - Google Patents

Linear frequency-voltage converter - supplies charge to capacitor proportional to input frequency

Info

Publication number
FR2245130A1
FR2245130A1 FR7333979A FR7333979A FR2245130A1 FR 2245130 A1 FR2245130 A1 FR 2245130A1 FR 7333979 A FR7333979 A FR 7333979A FR 7333979 A FR7333979 A FR 7333979A FR 2245130 A1 FR2245130 A1 FR 2245130A1
Authority
FR
France
Prior art keywords
supplied
frequency
input frequency
supplies
pulse
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.)
Granted
Application number
FR7333979A
Other languages
French (fr)
Other versions
FR2245130B1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jaeger SA
Original Assignee
Jaeger SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jaeger SA filed Critical Jaeger SA
Priority to FR7333979A priority Critical patent/FR2245130A1/en
Publication of FR2245130A1 publication Critical patent/FR2245130A1/en
Application granted granted Critical
Publication of FR2245130B1 publication Critical patent/FR2245130B1/fr
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
    • H03K9/06—Demodulating pulses which have been modulated with a continuously-variable signal of frequency- or rate-modulated pulses

Abstract

The input frequency signal (F) is supplied to an input circuit (1) which has a rapid response time and which supplies a corresponding rectilinear signal to a differentiating circuit (2) which supplies a pulse for each rear edge of the latter signal. These pulses are supplied to a control circuit (5) for a divider (4) synchronised by a quartz oscillator (3). The divider output is applied to an interface (6) which allows the emitted pulse to be supplied to an analogue gate (7) allowing a reference voltage to be selectively supplied to a capacitor charging circuit (8) for the duration of the pulse. The capacitor (C) is charged at a constant rate and regulates the value of the output voltage which is thus dependant on the input frequency.
FR7333979A 1973-09-21 1973-09-21 Linear frequency-voltage converter - supplies charge to capacitor proportional to input frequency Granted FR2245130A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7333979A FR2245130A1 (en) 1973-09-21 1973-09-21 Linear frequency-voltage converter - supplies charge to capacitor proportional to input frequency

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7333979A FR2245130A1 (en) 1973-09-21 1973-09-21 Linear frequency-voltage converter - supplies charge to capacitor proportional to input frequency

Publications (2)

Publication Number Publication Date
FR2245130A1 true FR2245130A1 (en) 1975-04-18
FR2245130B1 FR2245130B1 (en) 1977-03-11

Family

ID=9125397

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7333979A Granted FR2245130A1 (en) 1973-09-21 1973-09-21 Linear frequency-voltage converter - supplies charge to capacitor proportional to input frequency

Country Status (1)

Country Link
FR (1) FR2245130A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000044087A2 (en) * 1999-01-22 2000-07-27 Parkervision, Inc. Down-converter using sine to square wave converter
US6634555B1 (en) 2000-01-24 2003-10-21 Parker Vision, Inc. Bar code scanner using universal frequency translation technology for up-conversion and down-conversion

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
US7515896B1 (en) 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US6061555A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US6049706A (en) 1998-10-21 2000-04-11 Parkervision, Inc. Integrated frequency translation and selectivity
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
US6704558B1 (en) 1999-01-22 2004-03-09 Parkervision, Inc. Image-reject down-converter and embodiments thereof, such as the family radio service
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000044087A2 (en) * 1999-01-22 2000-07-27 Parkervision, Inc. Down-converter using sine to square wave converter
WO2000044087A3 (en) * 1999-01-22 2001-01-18 Parkervision Inc Down-converter using sine to square wave converter
US6634555B1 (en) 2000-01-24 2003-10-21 Parker Vision, Inc. Bar code scanner using universal frequency translation technology for up-conversion and down-conversion

Also Published As

Publication number Publication date
FR2245130B1 (en) 1977-03-11

Similar Documents

Publication Publication Date Title
FR2245130A1 (en) Linear frequency-voltage converter - supplies charge to capacitor proportional to input frequency
SE7605476L (en) ACTIVITY CONTROL DEVICE
GB1440390A (en) Signal generating circuit
FR2231971A1 (en)
GB1329837A (en) Integrating antilog function generator
GB1324481A (en) Monostable trigger circuits
GB1078320A (en) Converter
GB1204667A (en) Improvements relating to process and apparatus for obtaining an electrical pulse frequency from an analogue signal
GB1285624A (en) Circuit for controlling frequency with voltage
GB1483796A (en) Clamp circuits
GB1420012A (en) Arrangement for synchronizing two signals
GB1110070A (en) Apparatus for calculating the integrals of time-dependent functions
GB1153201A (en) Improvements in or relating to Apparatus for Measuring the Voltage of a D.C. Component in an Electrical Voltage
GB1214980A (en) Electronic watch
GB1125511A (en) A frequency control system
GB1255528A (en) Pseudo voltage controlled oscillator
JPS5277639A (en) Device for driving element for transferring charge
GB1167326A (en) Electronic Frequency Divider
GB1436851A (en) Analog-to-digital-converter
SU450190A1 (en) Device for logarithmization
JPS5225552A (en) Pulse delay circuit
GB1450578A (en) Stabilised oscillator circuits
JPS5746191A (en) Variable voltage divider
SU503251A1 (en) Time-impulse dividing device
GB1519092A (en) Voltage controlled oscillator circuit

Legal Events

Date Code Title Description
ST Notification of lapse