====== Argonaut V Model 516 ======
{{516.jpg?150|}}{{:516rear.jpg?150|}}

===== General Description =====
IF-DSP HF 20 watt transceiver with AM, FM, CW, SSB operation on 10-160 meters, general coverage from 500 kHz to 30 MHz on receive. High stability TCXO added as stand equipment January, 2006.  New heat sink design eliminated need for optional cooling fan January, 2007.   Discontinued August, 2008.


===== Reviews =====
  *[[http://www.eham.net/reviews/detail/2742|eHam]]
  *[[http://www.eham.net/reviews/detail/2353|eHam]]
  *CQ Magazine, 2003, March, Page 32
  *[[http://www.w0ipl.net/TenTec516.htm|W0IPL Review]]
  *Reviews of the 516 are also available on the ARRL Members Only Web site




===== Mods & Tips =====
  *[[516tcxo|TCXO Adjustment Procedure]]
  *[[516tunebtn|Add a Front Panel Tune Button]]
  *[[516snglechclr|Single Channel Memory Clear]]
  *[[516meter|Meter Needle Sticking & Replacement]]
  *{{ve7tk_argo_v.pdf|Low Output Repair by VE7TK}}

===== Lineage & Background of the Five Argonauts  =====
  *[[argo5name|Argonaut V & Ten-Tec Radio Naming]]












===== Related Links =====
  *[[http://www.sherweng.com/Dayton_2004/Dynamic_Range_Data.pdf|Sherwood Engineering Dynamic Range Data Table]]
  *[[http://www.n4py.com/|N4PY Rig Control Software]]
  *[[http://groups.yahoo.com/group/Ten-Tec516/|Argonaut V Yahoo Group]]
  *[[http://www.dogparksoftware.com/MacLoggerDX.html| MacLoggerDX]] - Support for this package can be found [[http://two.pairlist.net/mailman/listinfo/dogparklist| here]] and [[http://groups.yahoo.com/group/macloggerdx/| here]]
  *[[http://www.trx-manager.com/| TRX Manager]] - Support for this package can be found [[http://groups.yahoo.com/group/TRX-Manager/| here]]


===== Specifications =====
**GENERAL**

  ***FREQUENCY RANGE:** 500 kHz-30 MHz RX; 1.8-2.0, 3.5-4.0, 5.1-5.4, 7.0-7.3, 10.1-10.15, 14.0-14.35, 18.068-18.168, 21.0-21.45, 24.89-24.99, 28.0-29.7 TX
  ***TUNING STEPS:** Selectable 10 Hz or 1 kHz SSB, CW; 100 Hz or 5 kHz AM; 2.5 or 5 kHz FM
  ***FREQUENCY STABILITY:** +/- 3 ppm, TCXO standard
  ***FREQUENCY ACCURACY:** +/- 50 Hz at 25<sup>o</sup> C (TCXO option available for improved accuracy)
  ***MODES:** USB, LSB, AFSK, AM, FM, CW
  ***IFs:** IF1=45 MHz, IF2=450 kHz, IF3=14.5 kHz
  ***DISPLAY:** 7-segment LED
  ***VFOs:** Dual with split capability
  ***MEMORIES:** 100
  ***ANTENNA:** 50 ohms, SO-239
  ***CONSTRUCTION:** Epoxy/glass PC boards, molded front panel, aluminum chassis, steel cabinet
  ***SUPPLY VOLTAGE:** 13.8 Vdc
  ***OPERATING TEMP. RANGE:** 0-50 <sup>o</sup>C
  ***DIMENSIONS:** 2.75" x 8.5" x 9.7" (7 x 21.6 x 24.6 cm). Includes rear panel heat sink.
  ***WEIGHT:** 5 lbs. (2.2 kg)

**RECEIVER**

  ***SENSITIVITY:** SSB, CW, 0.35 uV typ., 0.5 uV max. for 10 dB SINAD at 2.4 kHz BW; AM, 1.0 uV typ., 1.2 uV max. for 10 dB SINAD at 6 kHz BW, 60% modulation;  FM, 1.0 uV typ., 1.2 uV max. for 12 dB SINAD at 15 kHz BW, 3 kHz deviation
  ***SELECTIVITY:** 35 built-in filters from 200-3000 Hz, SSB, CW; 400-6000 Hz AM, 15 kHz FM
  ***IP3:** +4 dBm typ. (20-kHz spacing, ARRL method)
  ***IP2:** +66 dBm typ. (ARRL method)
  ***IMAGE REJECTION:** 70 dB typ.
  ***IF REJECTION:** 70 dB typ.
  ***CURRENT DRAIN:** 950 mA, no signal, typ.
  ***RIT RANGE:** +/- 10 kHz
  ***PBT RANGE:** +/- 2.5 kHz
  ***AUDIO:** Internal speaker, 2 watts into 4 ohms <5% THD. Line out, 600 ohms, 2 V p-p (0 dBm).
  ***S-METER:** S-9 = 50 uV

**TRANSMITTER**

  ***POWER OUTPUT:** Adjustable 3-20 W, ALC controlled
  ***DUTY CYCLE:** 100%
  ***CURRENT DRAIN:** 7 A max., 20 W CW.
  ***HARMONICS AND SPURIOUS SUPPRESSION:** -43 dBc max., 20 W; -33 dBc max., <5 W.
  ***CARRIER AND OPPOSITE SIDEBAND SUPPRESSION:** >50 dB
  ***MICROPHONE INPUT:** 10 kohms, 5 mV for full power output; dc present at input for electrets
  ***METER:** Forward power 25w/5w, reflected power 25w, SWR 1.0:1 to 2.5:1, collector current 0-9A.