This is a Japanese commercial radio from the 60s. The superheterodyne circuit of 7 transistors for medium waves has 200mW of output when powered by 4 common batteries.
Found in 1980s documentation, this amplifier uses a symmetric source and the gain is given by the...
In the figurewe present an interesting application suggested by Microchip (www.microchip.com) in...
This old diode test, from a documentation from the 1970s, uses two small 6 V lamps up to 50 mA to...