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Converters: Voltage to Frequency

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2-Way Multiplexed LCD Drive & Low Cost A/D-Converter using V/F Techniques with COP8 MicroControllers - National Semiconductor Application Note  (app note)
40kHz Voltage to Frequency Converter - This circuit was designed to frequency modulate a 40KHz carrier, using human voice frequencies.  A common flip/flop is used at the core of the circuit. ….(designed by David A. Johnson)
Air Transparency Monitor, Xenon Flash Receiver - I designed this circuit many years ago to monitor the quality of a mile long column of air for future optical communications experiments. The transmitter system (circuit 72 below) uses a powerful xenon flash in conjunction with a large 12 inch fresnel lens at the transmitter end and a matching 12 inch lens with a PIN photo diode at the receiver. The receiver system was connected to a weather station and a computer to collect the changes in intensity of the light flashes under different weather conditions. It has the potential for a 30+ mile range. I have also used this system to conduct cloud bounce experiments. ….(designed by David A. Johnson)
Air Transparency Monitor, Xenon Flash Receiver, Page 2 - This is Page 2 of the air transparency monitor receiver circuit. ….(designed by David A. Johnson)
AN-214: Ground Rules for High Speed Circuits - AN-214 Analog Devices Application Notes  (app note) Layout and Wiring Are Critical in Video Converter Circuits.
AN-276: Analog-to-Digital Conversion by using V/F Converters - AN-276 Analog Devices Application Notes  (app note)
AN-277: Applications for the AD537 Voltage to Frequency Converter - AN-277 Analog Devices Application Notes  (app note)
AN-278: Operation & Applications of the AD654 IC V-to-F Converter - AN-278 Analog Devices Application Notes  (app note)
AN-279: Using the AD650 Voltage-to-Frequency Converter as a Frequency-to-Voltage Converter - AN-279 Analog Devices Application Notes  (app note)
AN-280: Mixed Signal Circuit Technologies - AN-280 Analog Devices Application Notes  (app note) Considers problems which arise when reality (& Murphy)  intervene in a design which seems satisfactory in terms of modeling.
AN-343: Circuit Ideas for IC Converters - AN-343 Analog Devices Application Notes  (app note)
AN-349: Keys to Longer Life for CMOS - AN-349 Analog Devices Application Notes  (app note) Here's How CMOS Can be Protected Against Abuse
AN-361: Ask the Applications Engineer V/F Converters - AN-361 Analog Devices Application Notes  (app note)
AN-772: A Design & Manufacturing Guide for the Lead Frame Chip Scale Package - AN-772 Analog Devices Application Notes  (app note)
AN795: Voltage-To-Frequency/Frequency-To-Voltage Converter - Microchip Application Note Published 12-Nov-02  (app note)
AN967: Bidirectional VF Control of Single & 3-Phase Induction Motors using the PIC16F72 - Microchip Application Note Published 27-Jan-05  (app note)
Analog-to-Digital Conversion by using V/F Converters - AN-276 Analog Devices Application Notes  (app note)
AN-C: V/F Converter ICs Handle Frequency-To-Voltage Needs - National Semiconductor Application Note  (app note)
AN-D: Versatile Monolithic V/Fs can Compute as Well as Convert with High Accuracy - National Semiconductor Application Note  (app note)
Applications for the AD537 Voltage to Frequency Converter - AN-277 Analog Devices Application Notes  (app note)
Ask the Applications Engineer V/F Converters - AN-361 Analog Devices Application Notes  (app note)
0.02% V/F Converter Consumes Only 26 ľA - 07/04/96 EDN-Design Ideas: (design idea)
1 Hz to 100 MHz VFC Features 160 DB Dynamic Range - 09/01/05 EDN-Design Ideas: Transform voltage to current over wide frequency, amplitude.....(design idea)
10 Khz VFC uses Charge Pump Variation - 04/09/98 EDN-Design Ideas: (design idea)
10.58 to 10.74 MHz VFO Oscillator  - Electronic Circuit design
200mhz-400mhz Voltage Controlled Oscillator (VCO) - If you need a clean emitter coupled logic (ECL) type signal between 200MHz and 400MHz this circuit works fine. It uses four voltage controlled capacitors to change the frequency. ….(designed by David A. Johnson)
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