Found in 969 documentation, this circuit generates sweep signals from 1 Hz to 100 kHz. The components used are from the period, and equivalents can be used.
This RF amplifier step has a dynamic range of 140 dB and can amplify signals from 0.5 to 40 MHz....
This circuit was found in the November 1992 Radio Electronics magazine. The resistor in series with...
This circuit was obtained from an American publication from the 80's. We can use a BD136 instead...