This amplifier, whose mounting on a printed circuit board was described in Radio Electronics of October 1960, has 35 W of power. The power supply uses a transformer and a set of 5 tubes.
This circuit monitors the current in the negative line. The circuit is from a 2005 Linear...
An oscillator whose frequency can be adjusted between 500 Hz and 5 kHz with the use of a...
This circuit allows coupling optical signals to a TTL input with excellent performance. Among the...