Line amplifier (CB6992E)

This circuit was found in ancient American documentation. It provides a 70 Vpp signal at frequencies up to 100 kHz. Observe the high supply voltage.

| Clique na imagem para ampliar |

Stabilized Power Supply (CB13988E)
This source of some amps for voltages up to 40 V was found in an Italian magazine Elettronica...
High power LED flasher (CB20944E)
Found in American documentation from the 1980s, this circuit shows how to use an LM3909 pulsator in a...
Surround Amplifier (CB25265E)
This circuit is from a Radio Electronics from December 1990. The circuit was used in a home...