Le Tentec Argonaut


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GENERAL

 

  • Microphone connector 8-pin on front panel
  • Headphone Jack 1/4” stereo, accepts mono or stereo on rear panel
  • External CW Key Jack 1/8” stereo, accepts mono or stereo on rear panel
  • Aux DC Output Connector RCA 0.5A max connected to DC Power
  • Frequency Range TX: 1.795-2.005 (160M), 3.495-4.005 (80M),
  • 6.995-7.305 (40M), 10.095-10.155 (30M), 13.995-14.355 (20M), 18.063-18.173 (17M), 20.995-21.455 (15M), 27.995-29.705 (10M).
  • Frequency Range RX: 1.795-2.505 (160M), 3.495-5.005 (80M),
  • 6.995-7.305 (40M), 9.995-10.155 (30M), 13.995-15.005 (20M), 18.063-18.173 (17M), 20.995-21.455 (15M), 27.995-29.705 (10M). Specifications apply within Amateur Radio bands Only.
  • ACC Din Connector 8 PIN DIN Connector-Line in, Line out, Aux PTT, Ext Key, Clock, Data, Enable, Ground.
  • DC Power Connector AMP MATE-N-LOCK, 2 pin
  • Fuse Automotive Blade Style 7.5 A 32V
  • Tuning Steps 10, 100, 1000, speed sensitive, VFO Lock
  • Frequency Stability +/- 0.5 PPM over operating temperature
  • Antenna Impedance 50 Ohm nominal
  • Antenna connector 1 x SO-239
  • Modes USB, LSB, CW, (AM optional)
  • Memories 100
  • Supply Voltage 9.5 – 14 Volts DC
  • Operating temperature Range 0-50 degrees Celsius
  • Dimensions (HxWxD) 2.25”x6.5”x7.6” (excluding knobs and connectors)
  • Weight 3.6 pounds
  • Construction Molded plastic front panel, aluminum chassis and Textured painted steel covers
  • PC Control Port USB (using CCS USB to UART Driver)
  • Display Custom FSTN monochrome LCD
  • Display Backlight Variable RED, Blue, Green (internal settings)

 

RECEIVER

  • SSB Sensitivity Better than 0.7uV (0.5 Typ), 2.4Khz, 10 db SINAD Preamp off
  • AM Sensitivity Better than 4 uV, (2.0uV Typ) 30% Mod, 6Kh BW, 10 dB SINAD Preamp off
  • Selectivity IF1 2.9 Khz standard, 9.0018 Mhz, 2 options positions
  • Selectivity IF2 30 Khz Lowpass filter
  • Selectivity, DSP IF 100 built-in DSP filters from 100 – 6000Hz BW
  • Third Order Intercept Point (IP3) 15dBm@20Khz tone separation/2.9 kHz roofing filter, 20dBm@ 2kHz separation/700Hz Roofing filter, S5 method, preamp off
  • IMD3 Dynamic Range Typical 98dB/20kHz, 98dB/2kHz,500 Hz BW,calculated 2/3(IP3-Noise Floor), preamp off
  • Blocking Dynamic Range 138dB/20kHz, 140dB/2kHz, 600 Hz BW, RF Gain @ 12 o’clock, preamp off
  • LO Phase Noise 124 dBc/Hz @ 20 kHz, 114dBc/Hz @ 2 kHz
  • Noise Floor Typical -138dBm/500Hz BW/Preamp on, -128dBm /500Hz BW preamp off
  • IF Frequencies 1st : 9.0018Mhz, 2nd : 22.2kHz ,3rd : 0Hz (DSP)
  • IF REJECTION Typ 74dB
  • 1st IF Image Rejection Typ 59 dB
  • 2nd IF Image Rejection Typ 69 dB
  • Other spurious Response Rejection: > 80dB
  • Birdies Typically less than -100dBm equivalent (no more than 5 birdies greater than -100 dBm equivalent
  • Pass Band Tuning +/- 2.1 kHz, 5 Hz steps. Small dead zone for centering
  • Preamp Nominal 12 dB
  • Audio Output 1.3 Watts into 8 ohm, <3% THD
  • RIT Range +/- 8.2 kHz
  • RIT Step Size 10 Hz
  • S-Meter Reference S9= 50uV RMS
  • RX Headphone Output designed for 16-32 ohm impedance headphones. Usable at 8 ohms.
  • AUTO NOTCH IF DSP, multi-tone
  • RX NOISE REDUCTION IF DSP, adjustable
  • NOISE BLANKER IF DSP, adjustable
  • RX Current Drain 550 m amps

All measurements are typical. Results will vary based on different Test Enviroment,Tools, and Test Methods. Specifications are subject to change.

 

TRANSMITTER

  • RF Power Output Adjustable, 1-10 watts, +/1 dB CW, SSB, AM, AFSK, PSK
  • Duty Cycle 100% for up to 10 minutes @ 10 watts
  • CW/SSB TX Bandwidth 2.9kHz Filter
  • AM TX Bandwidth 6 kHz Optional Filter
  • Microphone Input Impedance > 10k-ohms at 1 kHz
  • Microphone Sensitivity 1 mV RMS for full power output, internal gain adjustment, 9v dc for electret elements
  • SSB Carrier Suppression >60 dB
  • Unwanted Sideband Suppression >60 dB at 1 kHz
  • T/R Switching PTT or VOX on SSB, AM. QSK on CW
  • CW Keyer Type Internal Curtis Mode A or B, selectable
  • CW Rise and Fall Time 5 ms
  • CW Offset adjustable
  • CW Keyer Speed 5-40 WPM, adjustable weighting
  • Current Drain 3 amps at 10 watts
  • Third Order Intermod Better than 30 dB below peak
  • SSB Generation DSP Generated
  • # of DSP generated TX Bandwidths 2 built-in DSP filters – automatically selected based on mode – 2.9 kHz for CW and SSB, (6 kHz for AM option) Note: the optional 6kHz filter is required for AM transmit

 

OPTIONS

  • 4 Pole Roofing Filters 700 Hz, 6 kHz
  • 702 Dynamic Mic
  • 418 Solid State 100 Watt Linear Amplifier
  • 712 Digital USB Sound Card Cable

All measurement are typical. Specifications are subject to change.