We found this circuit in a 90s Linear Technology documentation. The circuit uses components from the time and the indicator is of the analog type.
This circuit was found in an Analog Devices publication from the 1990s. The circuit performs input...
Found in Motorola documentation from the 90s, this circuit can be implemented with current...
We found this circuit in an old documentation for hams. In it we have the way to use a varicap to...