====== PC Radio Model RX-320 ======
{{rx320.jpg?150|}}



===== Description =====
HF DSP "PC Radio" receiver utilizing digital signal processors inside the "black box" and a personal computer to run the radio.  The RX-320 was replaced by the [[RX-320D]].


===== Reviews =====
  *[[http://www.arrl.org/members-only/prodrev/pdf/pr9903.pdf|ARRL]], QST, 1999, March (Must be an ARRL member and logged in to view.]]
  *[[http://www.eham.net/reviews/detail/1341|eHam]]
  *[[http://arstechnica.com/guide/audio-visual/shortwave/shortwave-1.html|Ars Technica]]
  *[[http://www.mwcircle.org/mw_rec_rx320.htm|Radio Netherlands]]




===== Related Links =====
  *[[this>./webarchive/rx320/|Archived Ten-Tec Web Page]]
  *[[http://www.callsignsoftware.com/|Callsign Software]] - Support for this package can be found [[http://groups.yahoo.com/group/CallSignSoftware-Support/|here]]
  *Ergo - Support for this package can be found [[http://groups.yahoo.com/group/ergoradio/|here]]
  *[[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.n4py.com/|N4PY Software]]
  *[[http://teledata.qc.ca/RxPlus/|RxPlus Control Software]] - Support for this package can be found [[http://groups.yahoo.com/group/RxPlus/|here]]
  *Shortwave Log - The Yahoo group for this software can be found [[http://groups.yahoo.com/group/swlog_users/| here]]; however it has its own extensive forums.
  *[[http://www.trx-manager.com/| TRX Manager]] - Support for this package can be found [[http://groups.yahoo.com/group/TRX-Manager/| here]]

  * For other software links, please see the controllers folder of the RX320 [[http://groups.yahoo.com/group/RX320/|Yahoo Group]]

===== Mods =====
  *[[http://www.g7ltt.com/drm/rx320mods/|Ten-Tec RX-320 DRM Mod]] by G7LTT
  *{{:rx320lfmod.pdf|LF / VLF Operation Mod}}

===== Specifications =====
  ***MODES:** AM, LSB, USB, CW
  ***FREQUENCY RANGE:** 100 kHz - 30 MHz
  ***FREQUENCY ACCURACY:** +/- 100 Hz at 25 degrees C.
  ***MEMORIES:** Limited only by available RAM in PC, virtually any PC will store 1000's of stations.
  ***SENSITIVITY:**

^  MODE  ^  B/W  ^  SENSITIVITY  ^
|  AM (80% mod @ 1 kHz)  |  6 kHz  |  0.64 uV for 12 dB S+N/N  |
|  CW / SSB  |  2.5 kHz  |  0.3 uV for 10 dB S+N/N  |

  ***SELECTIVITY:** 34 IF-DSP bandwidth filters built-in. 300 Hz, 330 Hz, 375-750 Hz in 75 Hz steps, 750-3000 Hz in 150 Hz steps, 3000-6000 Hz in 300 Hz steps, 8 kHz.
  ***THIRD ORDER INTERCEPT:** + 10 dBm  
  ***DYNAMIC RANGE:** 90 dB @2.4 kHz bandwidth at 50 kHz spacing
  ***I-F FREQUENCIES:** 1st I-F 45 MHz, 2nd I-F 455 kHz, 3rd I-F 12 kHz
  ***I-F REJECTION:** > 60 dB  
  ***IMAGE REJECTION:** > 60 JB  
  ***ANTENNA:** 50 ohm unbalanced for external antenna. High impedance at telescoping whip connection, automatically switched out of line when external antenna connected.
  ***PC INTERFACE:** Industry standard serial interface on DB9 connector
  ***CONNECTIONS:** + DC input, DB9 for serial port, external antenna, line output to sound card, external speaker.
  ***POWER REQUIRED:** < 500 mA at 13.5 - 15 VDC, wall transformer supplied
  ***AUDIO:** 1 watt at 4 ohms. > 1 v p-p output into 600 ohms (typical to drive a sound card).
  ***CONSTRUCTION:** 2 epoxy glass PC boards, aluminum chassis, steel top and bottom
  ***SIZE:** HWD 3 "x 6.25 "x 6.5"  
  ***WEIGHT:** 2.5 lbs (1.14 kg)