This crystal oscillator is indicated for the calibration of IF steps of common radio receivers. The transistor admits equivalent as 2N2222 or BF494. The circuit is from an old American publication.
July 25, 2016 –Mouser Electronics Inc. is teaming up with celebrity engineer Grant Imahara for the...
This CW circuit was found in a Radio Amateur Today from the 890s. The CMOS circuit must be powered by...
This circuit was obtained from an old American publication. The uA702 is a differential amplifier and...