Omni V Model 562

• eHam
• A review is available on the ARRL Members Only Web site

• Sherwood Engineering Receiver Test Data
• Sherwood Engineering Dynamic Range Data Table

• Low Power Mod
• Mushy Sidetone Mod
• Choppy Sidetone Mod
• Tunable BFO Mod
• Speaker Pop Mod
• Disable Amp Relay Mod
• N4PY Omni V.9 Firmware Documentation (Note - Does not apply to V.9 Version 2)
• N4PY Omni V.9 Version 2 EPROM Upgrade Chip
• Deaf Rig Fix
• AGC Hiss Mod
• N5KAT Suggested Mods
• Passband Tuning Adjustment
• Reset Procedure
• Omni V Birdie Removal by VE7TK
• Control INRAD Roofing Filter with NB Switch
• IF/AF Board Mods by W3TS
• Lower Audio Gain Mod
• Alignment of 5.0 to 5.5 PLL Board
• PBT & IF/AF Alignment

• Omni V Advertisement

The Omni V was manufactured from 1989-1991

• Frequency Range: Transmit and receive on all ham bands from 160 through 10 meters in their entirety. Twelve 500 kHz segments plus 30 KHz overshoot at upper and lower band edges.
• Frequency Control: LO generated from a crystal oscillator mixed with a low noise 5.0 - 5.5 MHz phase locked loop.
• Frequency Stability: Worst case, 1 PPM per degree C at 29.999 MHz.
• Frequency Accuracy: +/- 100 Hz @ 25 degrees C.
• Antenna Impedance: 50 ohm, unbalanced.
• Printed Circuit Boards: G-10 epoxy glass.
• Power Required: Receive = 1.5 A, Transmit = 20 A, 12-14 Vdc.
• Dimensions: HWD 5.75" x 14.75" x 17" - 14.6 x 37.5 x 43.2 cm.
• Weight: 16 lbs - 7.25 kg.

• Modes: USB and LSB (J3E), CW (A1A), FSK (F1A), Optional FM.
• DC Power Input: 200 watts maximum.
• RF Output: ALC stabilized, adjustable from 20 watts to 100 watts (50 Ohm load) with front panel RF OUT control.
• Microphone Impedance: 200 Ohms to 50K Ohms. Bias voltage for electret mic is provided in front panel connector.
• CW Sidetone: Internally generated with rear panel level and tone adjustments, independent of front panel audio level control.
• SSB Generation: 9 MHz, 8 pole crystal ladder filter, balanced modulator.
• Carrier Suppression: Greater than 60 dB.
• Unwanted Sideband Suppression: Greater than 60 dB at 1.5 kHz AF input.
• Harmonic Emissions: Greater than 45 dB below peak power output.
• Third Order Intermod Products: -30 dB from two tone at 100 watts PEP.
• Metering: Switchable forward power, SWR, collector current or audio processing level on SSB.
• CW Offset: 600 Hz
• FSK Shift: 170 Hz

• Modes: LSB, USB, CW, and FSK. FM with optional board.
• Sensitivity: 0.15 uV for 10 dB signal to noise ratio at 2.4 KHz bandwidth. With FM option, 0.3 uV for 12 dB SINAD at 15 KHz bandwidth.
• Selectivity:

• Attenuator: -20 dB.
• I-F Frequencies: 1st I-F 9 MHz, passband tuning I-F 6.3 MHz.
• Image Rejection: >100 dB.
• Noise Blanker: Switchable on/off with width adjustment.
• Dynamic Range: 97 dB, measured with standard 2.4 kHz filter at 20 kHz spacing, 100 dB+ with CW filters.
• Third Order Intercept: +10 dBm
• Noise Floor: -133 dBm @ 2.4 KHz bandwidth.
• Squelch Sensitivity: Less than 0.6 uV
• Receiver Recovery Time: Less than 30 ms.
• Passband Tuning I-F Shift: +/- 2.3 kHz.
• Audio Output: Speaker, 1.5 watts @ 8 ohms. Fixed level 1 mw @ 600 Ohms.
• Notch Filter: 250 Hz to 2.2 KHz, greater than 50 dB notch depth.
• Audio Bandpass Filter: 4 pole, variable center frequency 220 Hz to 1.7 kHz, 35% bandwidth @ -6 dB.
• Tone Control: Variable 15 dB roll-off @ 5 kHz.
• Phase Noise Performance fo the OMNI V: -127 dBc/Hz @ 250 Hz offset from carrier, -146 dBc/Hz @ 5 kHz offset from carrier.