Argonaut Model 505

Description

SSB / CW QRP solid-state transceiver covering 10 - 80 meters.

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Mods

Accessories

  • Linear Amplifier Model 405
  • Power Supply Model 251
  • Power Supply Model 210
  • Microphone Model 215
  • Keyer Model 605 (KR-5)

Specifications

General

  • Frequency Coverage: All Amateur bands 10-80 meters
  • Filtering: 9 MHz crystal filter, 2.5 kHz bandwidth, 1.7 shape factor @ 6/50 dB points.
  • Automatic sideband selection, reversible
  • Solid state design
  • Permeability tuned circuits
  • Seven plug-in circuit boards
  • Direct frequency readout.
  • Vernier tuning. Dial accuracy +/- 5 kHz (slightly more at 10 meters)
  • Stability: Drift less than 100 Hz
  • Power required: 12-15 VDC @ 150 mA receive, 800 mA transmit at rated output.
  • Contruction: Aluminum chassis, top and front panel, molded plastic end panels. Cream front panel, walnut vinyl top and end trim.
  • Dimensions: HWD 4.5" x 13" x 7"
  • Weight: 6 lbs.

Receiver

  • Sensitivity: Less than 0.5 uV for 10 dB S+N/N
  • "S" Meter
  • AGC
  • Offset Tuning
  • Tuned MOSFET RF amplifier and mixer
  • Audio distortion less than 2%, internal speaker
  • Headphone/external speaker jack

Transmitter

  • 5 watts input power
  • Broad band final amplifier eliminates tuning
  • 50 - 75 ohms output impedance
  • Press-To-Talk
  • Instant CW break-in
  • SWR bridge
  • Integral TVI filter
  • CW sidetone
  • Integrated circuit balanced modulator
  • Automatic CW offset or approximately 700 Hz
  • Shaped keying

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