This amplifier was found in a 1970s documentation. Darlington transistors can be replaced for modern equivalents of at least 80 V x 2 A, equipped with good heat sinks.
This is the transmitter of the transmitter of a micro remote control that appeared in the November...
This unijunction relaxation oscillator can be used as a very useful signal injector. The circuit is...
April 2017 - Texas Instruments' new high-precision TMP468 sensor can now be obtained from Mouser...