This circuit is from Mullard 1969 documentation. The circuit operates at a relatively high supply voltage and has a 10 Vpp output. The transistors are of the time, but admit equivalents.
With this passive circuit it is possible to modulated in amplitude a low intensity RF signal. The...
This circuit triggers a load that depends on the characteristics of the transistor when we touch...
The circuit shown in the figure can be used to connect a loudspeaker to an amplifier only after...