Voltage-to-frequency converter


Posted on Aug 12, 2012

The D169 serves as a level detector and provides complementary outputs. The op amp is used to integrate the input signal Vin with a time constant of R1C1. The input (must be negative) causes a positive ramp at the output of the integrator which is summed with a negative zener voltage. When the ramp is positive enough D169 outputs change state and OUT 2 flips from negative to positive


Voltage-to-frequency converter
Click here to download the full size of the above Circuit.

The output pulse repetition rate £>, is directly proportioned to the negative input voltage Vin.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Rf-probe
60 Watt MosFet Audio Amplifier
stable fm transmitter
DIY Micromitter Stereo FM Transmitter
Safe Oscillator For Watch Crystals
1936 Hoyland Machine
model RC as USB Joystick
TV-Terminal serial TV/VGA/KBD-Controllers
Norman P2000D Modeling Light Circuitry
Three-point oscillator inductor
Simple and practical power SCR trigger circuit diagram



Top