Pre-stabilization circuit (CB8802E)

Found in Philips' 1968 documentation, this circuit serves as a 6.3 V reference for high stability.

| Clique na imagem para ampliar |

FM transmitter (CB15079E)
This small telephone transmitter uses a telephone capsule as a microphone. The L1 coil has 4 to 5...
High quality tone control (CB20805E)
This circuit was found in an American documentation from the 1980s. The sensitivity ranges from...
Wien Bridge Oscillator (CB15547E)
This circuit produces a sinusoidal signal whose frequency can be calculated using the formula next...