Found in RCA documentation from the 90s, this circuit uses components from that time. CA3019 is uncommon today and can be replaced by discrete diodes.
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...