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EQUIPMENT

This product is a CW/SSB transceiver with an integrated amplifier, designed for receiving and transmitting RF signals at 28 MHz. It features a single-conversion superheterodyne receiver with a product detector and 455 KHz bandpass filtering for selectivity. The FM receiver operates at VHF/UHF frequencies at 146 MHz and features a limiter to eliminate any AM trace. The FM to audio RF preamplifier increases sensitivity, while the CW transmitter includes an oscillator. Additional equipment includes a transverter for frequency conversion and an RF power amplifier ranging from 5 Watts to 25 Watts.

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EQUIPMENT

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  1. EQUIPMENT

  2. Radio Transceiver (and Amplifier)

  3. Transceiver Block Diagram

  4. CW/SSB Receiver Single-conversion superheterodyne receiver for CW/SSB 28 MHz CW/SSB RF signals Product Detector 455 KHz BP filtering for selectivity 500 Hz 455.5 KHz 28.455 MHz

  5. FM Receiver (VHF/UHF) 146 MHz FM RF signals Limiter Eliminates Any trace of AM Discriminator FM to Audio RF preamplifier Increases sensitivity 1 KHz 10.7 MHz 135.3 MHz

  6. CW Transmitter Oscillator

  7. Other Equipment • Transverter – Transmitter frequency converter • Example: 28 MHz up to 222 MHz • RF Power Amplifier – 5W up to 25 Watts (see satellite setup)

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