This circuit allows the detection of RF signals using the lowest range of direct currents of a common multimeter. Equivalent diodes such as 1N34 can be used. The circuit is assembled in a ballpoint tube.
Microsemi Le87536 Dual Differential Amplifier Microsemi / Microchip is making available through Mouser...
We found this TTL circuit in a Texas Instruments optoelectronics manual. The power is 5 V and the...
This circuit was found in an Electronic Design from 1967. The circuit uses two triacs being T2...