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Posts tagged redresseur

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 […]

Amplifiers Audio using LA4558

Amplifiers Audio using LA4558 circuit board

signal generator

7400 generator Signal generator circuit using SN7400 7400 generator circuit using SN7400 IC …………. SN7400 – 7400 C1 …………. 0,1uF C2 …………. 0,1UF C3 …………. 0,1uF D1 …………. 1N60 D2 …………. 1N60 Battery 3V

Audio Amplifier Circuit using TDA7241

Audio Amplifier Circuit using TDA7241

Making Micro controller Circuit remote cars

PCB circuit diagrams Motor control and motor drive for remote cars Making Micro controller Circuit remote cars Circuit consists of WZ-X01 RF module, Holtek HT-640 encoder and 8-bit A/D converter. U1 ADC0804 converts the analog voltage to digital data; U2 encodes that data (D0~D6) along with D6, D7 and transmitting through the RF transmitter module. […]

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