Fm Generator


Posted on Dec 6, 2012

The internal zener on pin 15 of the 4046B supplies a stable voltage to the 3140IC op amp. This amplifier modulates the 4046B V


Fm Generator
Click here to download the full size of the above Circuit.

CO. The amplifier gain is about 20 (26 dB voltage). The VCO produces a 220-kHz carrier that is FM modulated. C3 can be changed to vary this frequency.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Analog Multiplexer
Timer and Interrupt
Divide-By-N + 1/2 Circuit
Audio Memo Alert Circuit
Schematic Diagram 250mW 16-dB VHF amplifier circuit
Adjustable High/Low Frequency Sine wave generator
14 Watt Compact Fluorescent Electronic Ballast
simple sound to light converter schematic
Electronic Doorbell with Counter
Electrical control circuit plow
LM4910 minimum output noise reduce the output power circuit
Homemade wireless remote control circuit diagram
Homemade subwoofer playback system 01
Capacitive level measuring circuit
Using current feedback amplifier circuit of LM1875
255W Valve RF Transmitter circuit



Top