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535 [2007/02/20 20:15]
n5na
535 [2018/10/29 23:44] (current)
n5na [Mods & Tips]
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 ====== Argonaut II Model 535 ====== ====== Argonaut II Model 535 ======
-{{535b.jpg?150|}}+{{535.jpg?​150|}}{{535rear.jpg?150|}}
  
 ===== Description ===== ===== Description =====
 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]]. 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 =====
 +  *[[https://​www.tentec.com/?​p=1254|Download Operating Manual]] from Ten-Tec.
 +
 +===== Mods & Tips =====
 +  *[[536addr|Computer Control / Setting the Receiver Address Code]]
 +  *[[536backlight|Display Backlight]]
 +
 +===== 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 ===== ===== Specifications =====
 ==== General ==== ==== General ====
-  ***Frequency Range:** Receive: ​100kHz ​to 29.999 MHz, Transmit: ​ 1.8 to 29.999 MHz+  ***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 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 Readout:** 7 digit 10 Hz backlit LCD readout. ​ Also displays time, RXO, memories, modes, and S-meter.
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   ***Crystal Filter:** 8 pole ladder type, "​Jones"​ Filter (Patent #​5051711). ​ Bandwidth continuously adjustable from 2.5 kHz to 500 Hz.   ***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.   ***Attenuator:​** Approx. -20 dB for 0.1 to 29.999 Mhz.
-  ***I-F Frequencies:​**+  ***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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