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539 [2013/05/22 10:47]
n1eu created 		539 [2013/05/22 10:56]
n1eu
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-===== Description ===== +http://​www.tentec.com/​products/Argonaut-VI-QRP-1%252d10-Watt-Transceiver.html
-Microprocessor controlled HF transceiver. ​ Synthesized PLL design provides general coverage from 100 kHz to 29.999 MHz.  Features backlit LCD display, dual digital VFO's, tunable I-F filter system, 48 nonvolatile RAM memories, memory tune, 24 hours clock, and "​no-tune"​ final power amplifier. ​ Argonaut II Model 535 is the QRP version of the Delta II Model [[536]]. +
- +
- +
-===== Reviews ===== +
-  *[[http://www.arrl.org/​members-only/​prodrev/​pdf/​pr9201.pdf|ARRL]] (Must be ARRL member and logged in to view.) +
-  *[[http://​www.eham.net/​reviews/​detail/​692|eHam]] +
- +
-===== Manual ===== +
-  *[[http://​radio.tentec.com/​file_download/​116/Argonaut+II+535+Delta+II+536+Manual.pdf|Download Operating Manual]] from Ten-Tec. +
- +
-===== Mods & Tips ===== +
-  *[[536addr|Computer Control / Setting the Receiver Address Code]] +
-  *[[536backlight|Display Backlight]] +
-  *[[http://​www.glowsafe.com/​e-shop/​product_info.php?​cPath=36&​products_id=163|Replacement Backlight Panel by Glow Safe]] +
- +
-===== Accessories ===== +
-  *Antenna Tuner Model [[291]] +
-  *Mobile Mount Model [[293]] +
-  *RS-232 Serial Level Converter Model [[305]] +
-  *Plug adapter, 4-pin power supplies to 2-pin Model [[306]] +
-  *Low Current Curtis Chip Keyer Model [[606]] +
-  *Hand Microphone Model [[700]]C +
-  *Desk Microphone Model [[705]] +
-  *Step Attenuator Model [[290]] +
-  *Power Supply Model [[935]] +
- +
-===== Specifications ===== +
-==== General ==== +
-  ***Frequency Range:** Receive: 100 kHz to 29.999 MHz, Transmit:  ​1.8 to 29.999 MHz +
-  ***Frequency Control:** Microprocessor controlled digital PLL synthesizer. ​ 10 Hz resolution. +
-  ***Frequency Readout:** 7 digit 10 Hz backlit LCD readout. ​ Also displays time, RXO, memories, modes, and S-meter. +
-  ***Frequency Stability:​** Worst case, 1 PPM per degree C at 29.999 MHz. +
-  ***Frequency Accuracy:** +/- 100 Hz @ 25<​sup>​o</​sup>​C. +
-  ***Memories:​** 48 total memory channels, 32 simplex, 16 duplex. +
-  ***Antenna Impedance:​** 50 ohms unbalanced. +
-  ***Power Required:** Receive - approximately 0.75 A, Transmit - approximately 3 A @ 13.8 VDC +
-  ***Construction:​** Rigid aluminum chassis. ​ Molded ABS Cycolac front panel. ​ Textured top and bottom, snap up stainless steel bail, carrying handle. ​ Printed circuit boards G-10 epoxy glass. +
-  ***Dimensions:​** HWD 3.75" x 9.75" x 12.5" (9.53 x 24.77 x 31.75 cm) +
-  ***Net Weight:** 8 lbs, 10 oz (3.91 kg) +
- +
-==== Transmitter ==== +
-  ***Modes:** USB, LSB, CW, RTTY (AFSK), and FM. +
-  ***RF Power Output:** Zero to 5 watts adjustable with front panel PWR control. +
-  ***Microphone Input:** Four pin front panel connector accepts microphones wth 50K ohms or less and with 5 mV (-62dB) output. ​ Polarizing voltage is available for electret types. +
-  ***T/R Switching:​** VOX or PTT. +
-  ***CW Sidetone:** Internally generated, volume is adjustable from keypad and is independent of AF gain control. +
-  ***SSB Generation:​** Double sideband modulator. ​ 8 pole crystal ladder filter. +
-  ***Carrier Suppression:​** 50 dB or more typical. +
-  ***Unwanted Sideband Suppression:​** 45 dB typical at 1.5 kHz tone. +
-  ***Spurious Output:** More than 45 dB below peak power output. +
-  ***Meter:** Switchable forward power (FWD), SWR, S-meter. +
-  ***CW Offset:** 700 Hz factory preset. +
- +
-==== Receiver ==== +
-  ***Modes:** USB, LSB, AFSK, AM, FM. +
-  ***Sensitivity:​** +
- +
-^  Mode  ^  Frequency, MHz      ^^  ^ +
-^             ​| ​ 0.1 - 1.6  |  1.6 - 29.999.99 ​ ^             ^ +
-|  SSB, CW, AFSK  |  0.50 uV   ​| ​ 0.25 uV  | 10 dB S/N @ 2.5 kHz | +
-|  AM  |  3.5 uV  |  1.00 uV  | 10 dB S/N @ 6.0 kHz | +
-|  FM  |  1.00 uV  |  0.30 uV  | 12 dB SINAD @ 15 kHz | +
- +
-  ***Selectivity:​** +
- +
-^  Mode  ^  Selectivity ​     ^^  Shape Factor ​ ^ +
-^             ​| ​ -6 dB  |  -60 dB  ^           ^ +
-|  SSB (BW @ Max)  |  2.5 kHz   ​| ​ 4.9 kHz  |  2.0:1  | +
-|  AM  |  5.1 kHz  |  15.8 kHz  |  3.1:1  | +
-|  FM  |  15.0 kHz  |  30 kHz @ -30 dB  |  2.0:1  | +
- +
-  ***Crystal Filter:** 8 pole ladder type, "​Jones"​ Filter (Patent #​5051711). ​ Bandwidth continuously adjustable from 2.5 kHz to 500 Hz. +
-  ***Attenuator:​** Approx. -20 dB for 0.1 to 29.999 Mhz. +
-  ***I-F Frequencies:​** 1st - 45 MHz, 2nd - 6.144 MHz, (FM 3rd - 455 kHz). +
-  ***Image Rejection:​** > 80 dB. +
-  ***I-F Rejection:​** >70 dB. +
-  ***Noise Blanker:** Switchable on/off. +
-  ***S-Meter:​** Automatically switched on during receive. ​ Calibrated to 50 uV at S9 with attenuator off. +
-  ***Dynamic Range:** 95 dB typical. +
-  ***Noise Floor:** -129 dBm. (0.25 uV for +10dB S/N in ssb). +
-  ***Squelch Sensitivity:​** FM - Less than 0.6 uV. +
-  ***Pass Band Tuning:** +/- 2.5 kHz, digitally controlled. +
-  ***Audio Output:** 1.5 watts @ 4 ohms with less than 2% distortion. +
-  ***Notch Filter:** 250 to 2.2 kHz, 50 dB notch typical. +
-  ***BFO:** Digitally controlled PLL. +
-  ***Receiver Offset:** +/- 1.27 kHz (+/- 2.54 kHz when FAST is enabled) digitally controlled with RXO control, unlimited with second VFO. +
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