3 W to 8 MHz Amplifier (CB6133E)

This 1965 Philips circuit uses old company transistors like the BFY51 and BFY50. The circuit is powered by 12 V and the power gain is 8.9 dB.

| Clique na imagem para ampliar |

Complementary Tourch Switch (CB3852E)
The four gates of a 40111 IC are used in thes two-out circuit. The output chages their state in a...
Emergency Light (CB15690E)
The sensor of this circuit is a 2N3055 transistor from which the housing cover has been removed to...
Narrow-Band VCO (CB24866E)
Found in the November 1984 issue of Radio Electronics magazine, this circuit is based on the CMOS...