With a 10 V input this circuit provides a 25 V output. The circuit is from December 1985 Radio Electronics.
This simple 1-transistor receiver has speaker listening. We found it in an article published in...
In this amplifier, the supply voltage is 35 V and the input resistance is 2k2. Equivalent...
I found this circuit in an old Argentine publication from 1973. The components are no longer...