This circuit was obtained from an old Electronic Design. The components are from the period but can be replaced with modern equivalents.
This circuit can generate signals in the VHF range and can be used as the basis for small...
This circuit uses a LM3900 Norton amplifier and a 2.7 V zener diode to supply a current of 1 mA to...
This circuit provides a reference voltage of 2.5 V adjusted in the trimpot. The transistor can be...