PTT or Push to Talk is the control that switches the speak-hear function on a transceiver. This circuit was found in the magazine of radio amateurs 73, in an edition of the 90s.
This Japanese commercial transistor radio circuit was found in a 1967 documentation. The...
The circuit shown in the figure is characterized by stability and the use of a common component. This...
January 2017 - Texas Instruments' new TPS7A19 Low Voltage Dropout (LDO) linear regulators are now...