Burglar Alarm (CB6443E)

This circuit is from a 1991 Hobbyst Handbok. The circuit uses a small 6V secondary transformer to operate on a miniature xenon lamp inverter.

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2.5 W Transistorized Amplifier (CB1316E)
This amplifier with complementary symmetry output and good sound quality was found in...
Parametric Equalizer (CB920E)
This circuit should be placed between the signal source and the input of a recorder or amplifier....
Flasher for the power grid (CB6797E)
Found in an Electronics World of 1968 this circuit can use current SCRs and the diodes are...