Alarm tone generator (CB8445E)

Found in a documentation from the 90's, this circuit already includes an amplification stage. The 12 V power supply allows its use in the car.

| Clique na imagem para ampliar |

First IF Amplifier Stage (CB935E)
For reference only, this is the first IF amplifier stage of a common transistor radio from the...
Active Integrator (CB24390E)
This circuit from July 1975 Radio Electronics uses any operating system with a symmetrical source....
LM3900 Inverter Amplifier (CB4028E)
This setting is valid for other transconductance operational amplifiers. The circuit is from...