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QRP CW Transceiver Kit Model 1315

Description

Three watt QRP CW transceiver kit for 15 meters.

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Specifications

General

  • FREQUENCY COVERAGE: any 50 kHz section of CW sub-band. Selection made during winding of one toroid in VFO circuit.
  • FREQUENCY CONTROL: varactor tuned oscillator with potentiometer control. Temperature compensated LC components stabilize VFO.
  • RIT (receive incremental tuning): +/- 1.50 kHz
  • ANTENNA: 50 ohm unbalanced, SO-239 connector
  • POWER REQUIREMENT: 12 - 14 VDC, 35 ma on receive with no signal 80 ma on receive for S-9 signal 800 ma on transmit
  • CONSTRUCTION: black texture painted. Clamshell style steel top and bottom, aluminum chassis. One double-sided printed circuit board measures 3.5" x 5".
  • BOARD MOUNTED COMPONENTS: 216 including 4 ICs, 19 transistors and 13 diodes.
  • FRONT PANEL CONTROLS: main tuning, volume, RIT; toggle for power ON/OFF
  • CONNECTORS: 1/4" stereo phone jack on front for headphones, 3 phono jacks on rear for key, DC input, DC output; SO-239 for antenna
  • DIMENSIONS: HWD 2.75" x 6" x 6" - 7 x 15.2 x 15.2 cm
  • WEIGHT: 2.25 lbs - 1.02 kg.

Transmitter

  • RF OUTPUT: 3 watts typical, no external adjustment
  • T/R SWITCHING: solid state, full break-in
  • CW OFFSET and SIDETONE: adjustable 400 - 1000 Hz, sidetone automatically tracks offset frequency. Sinewave sidetone has internal level adjustment.

Receiver

  • TYPE: single conversion superhet, JFET mixer
  • SENSITIVITY: 0.25 uv typical for 10 dB S/N
  • SELECTIVITY: 4 pole crystal ladder filter, 1 KHz nominal bandwidth
  • AGC: audio derived
  • AUDIO: 0.3 watt @ 4 ohms, built-in 3" speaker.

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