====== Omni VI Model 563 ======
{{563.jpg?150|}}

===== Reviews =====
  *A review is available on the ARRL Members Only Web site


















===== Mods, Fixes, & Additional Info =====
  *[[563errata|Manual errata]] 
  *[[564txenout|TX EN/OUT Mod for Acom Amplifiers]]
  *[[https://web.archive.org/web/20090107030712/http://karinya.net/g3txq/hang_agc/index.html|Adding Hang to Slow AGC - Modification]] by G3TXQ
  *[[http://pa0fri.home.xs4all.nl/Mods/OMNI%20VI/Omni%20VI%20modseng.htm|PA0FRI's Omni 6 Mods]]
  *{{563keyclicks.pdf|Key Click Mod}} by W9AC
  *[[http://omni6.wikidot.com/kg5u-301|Homebrew 301 Remote Encoder]] by KG5U
  *[[http://omni6.wikidot.com/302r|Using 302R Remote Encoder with Omni 6]]
  *[[563rit|RIT Mod]]
  *[[563auxrx|Aux Rx Antenna Input / PIN Diode Mod]]
  *[[563proddet|Product Detector IMD Mod/Update]]
  *[[563keyer|Varying Keyer Speed Fix]]
  *[[563stability|Improving Frequency Stability for Older Omni VI's]]
  *[[564lamps|Replacing Meter Lamps]]
  *[[563calibrate|Using WWV to Calibrate]]
  *[[563buzz|Omni VI Power Up Buzz]]
  *[[563nb|Noise Blanker Mod]]
  *[[563inrad|Inrad Roofing Filter Mod]]
  *[[563audspread|Audio Level Spread Mod]]
  *[[563keyspread|Keyer Control Mod]]
  *[[563freqjump|Frequency Jump Fix]]
  *{{564ICsources.pdf|Logic Board IC suppliers}}
  *{{:563_manual_addendum.pdf|Omni VI Logic Firmware Update - Manual Addendum - February 27, 1996}}
  *{{:omni6opt3addendum.pdf|Omni VI Option 3 Update - Manual Addendum}}
  *{{wiring_diagram_model_563-564.pdf|Model 563/564 Wiring Diagram by 4Z5UN}}

===== Related Links =====
  *[[https://tentecwiki.eqth.net/webarchive/filterhelp|Archived Ten-Tec Web Page - Filter Selection Help]]
  *[[omni6filtercomments|Comments on the Omni VI Series Filter]] by Ken Brown, N6KB
  *[[563aux|Aux Antenna Comments]] by W4PA
  *[[563upgrade|Option 1, 2, & 3 Upgrades - 563 / 564 Differences]]
  *[[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]]

===== Sales Information =====
{{563brochure.pdf|Sales Brochure}} (1.45 MB)

The Omni 6 was manufactured from 1992-1996



===== Specifications =====
==== General ====
  ***Modes:** USB, LSB, FSK or AFSK, FM built-in
  ***Frequency Range:** All ham bands 160 through 10 meters.  Twelve 500 KHz segments with 30 KHz overshoot at upper and lower band edges.
  ***Display:** 7 digit to 10 Hz resolution, 0.56" LED, 2 secondary 0.3" displays for clock, memory chanhel and offset.
  ***Frequency Control:** LO generated with a crystal oscillator mixed with a low noise 4.97 - 5.53 MHz phase locked loop.
  ***Offset Tuning:** +/- 9.99 KHz, receive and transmit, **Dual VFO's** with **Split** mode.
  ***Memories:** 100 duplex memories, battery backup, one scratch pad.
  ***PC Interface:** Serial port operation of receive and transmit.  Includes two line and RS-232 interface.  Runs at 1200, 2400, 4800, 9600, or 19200 baud.
  ***Frequency Accuracy:** +/- 50 Hz @ 25 degrees C.
  ***Antenna:** 50 ohm unbalanced.
  ***Remote Band Switching:** Selects antenna or other station accessories.
  ***Power Required:** 2 A receive, 20 A transmit @ 12-14 VDC.
  ***Construction:** 20 G10 epoxy glass PC boards, most field replaceable.  Extruded aluminum fron panel, alumninum chassis, texture painted top & bottom, snap up stainless stell bail.
  ***Dimensions:** HWD 5.75" x 14.75" x 17" - 14.6 x 37.5 x 43.2 cm.
  ***Weight:** 16 lbs - 7.25 kg.

==== Transmitter ====
  ***RF Output:** 0 - 100 watts, ALC stablilized.
  ***DC Input:** Maximum 250 watts @ 14VDC.  100% duty cycle for up to 20 minutes.  Continuous duty with customer supplied air cooling of rear panel heat sink.
  ***Microphone Input:** 200 - 50K Ohms, accepts microphones with 5 mV (-62dB) output.  Polarizing voltage for electrets provided.
  ***Speech Processor:** Adjustable compression level.
  ***T/R Switching:** PTT or VOX on SSB, switchable FAST or SLOW QSK on CW, delay on SLOW is adjustable.
  ***Iambic Keyer:** adjustable 8 - 40 WPM, type A or B, weight adjustable from keypad.
  ***CW Offset:** programmable 400 - 990 Hz, DSP generated, sidetone automatically matches offset, volume adjustable independent of AF gain control.
  ***FSK Shift:** 170 Hz.
  ***FM Deviation:** +/- 5 KHz.
  ***Metering:** Switchable to forward power, SWR, collector current or audio processing level on SSB.
  ***SSB Generation:** Balanced modulator followed by 9 MHz, 8 pole crystal ladder filter.
  ***Carrier Suppression:** 60 dB typical.
  ***Unwanted Sideband Suppression:**60 dB typical at 1.5 KHz tone.
  ***Third Order Intermod:**30 dB below two tone at 100 watts PEP.
  ***Spurious Output:** Better than 45 dB below peak power output.

==== Receiver ====

  ***Sensitivity:** 0.15 uV for 10 dB signal to noise ratio at 2.4 KHz bandwidth.  In FM, 0.3 uV for 12 dB SINAD at 15 KHz bandwidth.
  ***Selectivity:** Standard 16 pole filter, 20 to 24 poles cascaded depending on options selected.

^  Selected  ^  Filter  ^  -6 dB BW  ^  -60 dB  ^  Shape Factor  ^
|  Standard  |  2.4 KHz  |  2.4 KHz  |  4.50 KHz  |  1.87:1  |
|  Optional  |  1.8 KHz  |  1.8 KHz  |  3.40 KHz  |  1.89:1  |
|  Optional  |  500 Hz  |  500 Hz  |  1.40 KHz  |  2.80:1  |
|  Optional  |  250 Hz  |  250 Hz  |  850 Hz  |  3.40:1  |
|  Standard  |  FM  |  15 KHz  |  30.0 KHz  |  2.00:1  |

  ***Dynamic Range:** 97 dB @ 2.4 KHz bandwidth at 20 KHz spacing, 100 dB+ with CW filters.
  ***Third Order Intercept:** +10 dBm
  ***Noise Floor:**  -133 dBm @ 2.4 KHz bandwidth.
  ***Phase Noise:** -122 dBc @ 1 KHz, -138dBc @ 20 KHz.
  ***S-Meter:** Calibrated to 50 uV at S9.
  ***Attenuator:** -20 dB.
  ***Passband Tuning:** +/- 1.2 KHz.
  ***I-F Frequencies:** 1st I-F 9 MHz, 2nd I-F 6.3 MHz (passband tuning IF), 2nd I-F for FM 455 KHz.
  ***Noise Blanker:** adjustable threshold.
  ***Automatic DSP Notch Filter:** Eliminates multiple heterodynes, notch depth automatically selected for each.
  ***Manual Notch Filter:** 250 Hz to 2.2 KHz, greater than 50 dB.
  ***CW DSP Filter:** Low pass audio filter selectable in 5 steps, 1400 Hz, 1200 Hz, 1000 Hz, 800 Hz, 600 Hz, or may be disengaged.
  ***Receive Recovery Time:** less than 20 ms including split mode.
  ***Squelch Sensitivity:** Less than 0.6 uV
  *** Image Rejection:** >90 dB.
  ***Audio:** 1.5 watts @ 4 ohms with less than 2% distortion, built-in speaker, separate fixed output 1 mw @ 600 ohms.
  ***Separate RX Antenna Input:** 50 ohm phono jack, front panel selectable.