This circuit was found in an Electronics World of 1966. It has a range of 5 to 25 000 Hz at 1 dB and the diagram includes the power supply.
The operating principle of this circuit, from a 1956 publication, is simple to understand. The...
This circuit can be used in instrumentation to obtain a very high input impedance for measurement of...
This circuit indicates the intensity of RF signals up to more than 00 MHz and can be used as a...