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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 […]

Vocal ELiminator circuit

Vocal ELiminator circuit using TL084 This neat little circuit will remove the vocals

PCB Transmitter Circuit

Broadcast Transmitter Circuit 100 W 100W LDMOS power transistor for S-band radar applications in the 2.9GHz to 3.3GHz frequency range using BLS2933-100 Broadcast PCB Transmitter Circuit 100 W LDMOS RF power transistor 100 W LDMOS RF power transistor for broadcast transmitter applications, S-band radar applications in the 2.9GHz to 3.3GHz frequency range using BLS2933-100 Features […]

AT42QT2160 Integrated Touch and Slide Control Panel circuit

AT42QT2160 Integrated Touch and Slide Control Panel circuit

Making TV remote control blocker

Make circuit electronics TV remote control blocker Circuit diagram of this function shifts the frequency of 38 kHz TV remote and the remote will be jammed. This is necessary to set the 10K potentiometer while pointing the device at your TV to block the IR rays from the remote. This can be done by trial […]

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