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Posts tagged BPF

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 […]

Temperature alarm circuit

Temperature alarm circuit using LM7215, ZVN4106F Temperature alarm circuit using LM7215, ZVN4106F

Inverter amplifier schematic LC50

Inverter amplifier schematic LC50

50W Stereo Audio Amplifier circuit

50W Stereo Audio Amplifier circuit using STA505

Amplifiers Audio using MOSFET

Amplifiers Audio using MOSFET IRF350, TIP142 Circuit Audio amplifier has 15W of output power.

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