This circuit is indicated for supplying the CB17495E transmitter. The BD135 must have a small heat radiator and the zener may eventually have a higher voltage.
Found in National Semiconductor documentation from the 90s, this circuit makes use of components from...
This circuit was originally designed to measure capacitance with an ICL7107 but can be used with...
The TDA7000 is a Philips integrated circuit that contains a complete FM receiver with the need for...