====== Omni VI Plus Model 564 ====== {{564.jpg?150|}}{{:564rear.jpg?150|}} ===== Reviews ===== *[[http://www.eham.net/reviews/detail/45|eHam]] *Reviews are also available on the ARRL Members Only Web site ===== Related Links ===== *[[this>./webarchive/564|Archived Ten-Tec Web Page]] *[[this>./webarchive/filterhelp|Archived Ten-Tec Web Page - Filter Selection Help]] *[[563upgrade|Option 1, 2, & 3 Upgrades - 563 / 564 Differences]] *[[http://omni6.wikidot.com/start|Omni 6+ Wiki]] - plenty of info and mods *[[http://lists.contesting.com/_tentec/2004-08/msg00926.html|Discussion Thread on v1.02 vs v1.03 firmware]] ===== Mods, Fixes, & Additional Info ===== *to key sidetone only without RF, push ST followed by CW. To exit, push ST again *[[564keying|Omni 6+ CW Keying Improvement Discussion]] *[[564qskaudio|Eliminating Audio Clicks in Fast QSK]] *[[564filters|Close-Up of Manual p3]] with filter installation info *[[565lpf_remove|Removal of Low Pass Filter Board]] *[[http://omni6.wikidot.com/amp|Mod to use Omni 6+ with non Ten-Tec QSK Amplifiers]] *[[http://omni6.wikidot.com/kg5u-301|Homebrew 301 Remote Encoder]] by KG5U *[[http://omni6.wikidot.com/302r|Using 302R Remote Encoder with Omni 6]] *[[564serial|Omni VI+ Serial Port Test]] *[[564cwpract|CW Practice Keying]] *[[563aux|Aux Antenna Comments]] by W4PA *[[564upvsplus|Omni VI Option 3 Upgrade vs Omni VI Plus]] *[[564micgain|Increase VOX Response with Heil Mic Mod]] *[[564bias|Correction to Manual on Adjusting Transmit Bias]] *[[563calibrate|Using WWV to Calibrate]] *[[http://omni6.wikidot.com/cw-keying|CW Keying Improvement]] *[[563keyer|Varying Keyer Speed Fix]] *[[564lamps|Replacing Meter Lamps]] *[[564clock|Setting the Clock]] *[[564clock2|Clock Fix]] *[[564oven|Source for Omni VI/VI+ Crystal Oven]] *[[564tcxo|TCXO Information]] *[[563inrad|Inrad Roofing Filter Mod - Switchable In/Out]] *[[564intermvfo|Intermittent VFO Possible Fix]] *[[564erratic|Erratic RX Fix]] *[[564pll|PLL/Synthesizer Troubleshoot]] *[[564vco|PLL/VCO Alignment]] *[[564speaker|Replacement Speaker]] *[[564hum|Finding and Fixing Mic / Audio Hum]] *[[stickyencoder|Sticky Tuning Encoder]] *[[563audspread|Audio Level Spread Mod]] *[[563keyspread|Keyer Control Mod]] *[[564smeter|S-meter Troubleshooting]] *{{564ICsources.pdf|Logic Board IC suppliers}} *[[564_40M|40M disappears after one hour]] repair advice *[[http://pa0fri.home.xs4all.nl/Mods/OMNI%20VI/Omni%20VI%20modseng.htm|PA0FRI Omni VI Mod Page]] *Logic Board connectors 34/41 - conn plug 34 is displaced toward connector 41 leaving the extra (open) header pin toward the rear *{{wiring_diagram_model_563-564.pdf|Model 563/564 Wiring Diagram by 4Z5UN}} ===== Sales Information ===== {{564brochure.pdf|Omni VI+ Sales Brochure}} The Omni VI+ was sold from 1997 till February 2002, with last production in August 2001. ===== Specifications ===== ==== General ==== ***Modes:** USB, LSB, FSK or AFSK, FM ***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 channel and offset. ***Frequency Control:** LO generated with a crystal oscillator mixed with a low noise 4.97 - 5.53 MHz phase locked loop. ***Dual VFO's** with SPLIT mode. ***Offset Tuning:** +/- 9.99 KHz receive and transmit, ***Memories:** 100 duplex memories, one scratch pad memory, battery back-up (2 - 3 year life). ***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 @ 12-15 VDC. ***Construction:** 20 epoxy glass PC boards, most field replaceable. Extruded aluminum front panel, aluminum chassis, texture painted top & bottom, snap up stainless steel 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 provided for electrets. ***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 10 - 60 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:** 0.16 uV for 10 dB signal to noise ratio at 2.4 KHz bandwidth. In FM, 0.35 uV for 12 dB SINAD at 15 KHz bandwidth. ***Selectivity:** Standard 16 pole filter, 20 to 24 poles cascaded depending on options selected: ^ Filter Combination ^^ Typical System Bandwidth ^^ Shape Factor ^ ^ 9 MHz IF ^ PBT IF ^ @ -6 dB ^ @ -60 dB ^ ^ | 2.4 kHz | 2.4 kHz | 2.4 kHz | 3.20 kHz | 1.30 | | 2.4 kHz | 1.8 KHz* | 1.8 KHz | 2.70 KHz | 1.50 | | 2.4 kHz | 500 Hz* | 500 Hz | 1.30 KHz | 2.60 | | 2.4 kHz | 250 Hz* | 250 Hz | 850 Hz | 3.40 | | 1.8 kHz* | 1.8 kHz* | 1.7 kHz | 2.4 kHz | 1.40 | | 500 Hz* | 500 Hz* | 350 Hz | 900 Hz | 2.60 | | 250 Hz* | 250 Hz* | 190 Hz | 550 Hz | 2.90 | | * Optional filter is required. ||||| ***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:** +/- 1.5 kHz. ***I-F Frequencies:** 1st I-F 9 MHz, 2nd I-F 6.3 MHz, 2nd I-F for FM 455 kHz. ***Noise Blanker:** adjustable threshold. ***DSP Noise Reduction:** auto-correlation type algorithm. Broadband noise reduction of 5 to 15 dB is typical depending on conditions. ***Automatic DSP Notch Filter:** Eliminates multiple heterodynes, notch depth automatically selected for each. ***Manual Notch Filter:** 250 Hz to 2.5 kHz, greater than 50 dB. ***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.