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Posts tagged rectifier

Circuit diagram 75 Meter QRP SSB Transceiver

The 75 Meter QRP SSB Transceiver Theory of Operation 6-30-03 In general, the transceiver switches the 4-element 1500 ohm xtal BPF ends between the inputs and outputs of the two SA602s to reverse the signal flow for R/T operation. Since no IF amplifier is used in the design, 20 dB of additional receiver gain is […]

Mini Amplifier

Mini Amplifier Audio circuit using LA4422 Mini Amplifier Audio circuit using LA4422 Mini Amplifier R 1,2 …… 10K R 3 …….. 2K2 VR 1 ……. 50K VR 2,3 ….. 100K C 1 …….. 22 nF C 2 …….. 10 nF C 3,8 …… 100 nF C 4 …….. 22 nf C 5,6 …… 100 uF […]

Simple Audio Circuit

Simple Audio Circuit using LM386

wiper motor control circuit

wiper motor control circuit using NE555, CD4017 wiper motor control circuit using NE555, CD4017

Infrared Motion Detector schema diagram

Infrared Motion Detector electronic circuit schematic diagram Using TR 2N2222, SY32PT    

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