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MODEL 526 SPECIFICATIONS
MODES: CW, FM, LSB, USB
FREQUENCY RANGE: 50-54 and 144-148 MHz transceive. 136-174 MHz receive.
DISPLAY: 7 segment LEDs for main and secondary
DUAL VFOs with SPLIT mode
TUNING STEPS: selectable 10 Hz or 1 kHz SSB and CW, 2.5 or 10 kHz FM.
OFFSET TUNING: +/- 10 kHz receive, (SSB and CW modes)
FM REPEATER OFFSETS: standard for 6m and 2m. Programmable for odd splits.
CTCSS: built-in, encode only
MEMORIES: 100
ANTENNA: 50 ohms unbalanced, separate SO-239 output connectors for 6m and 2m
POWER REQUIRED: 400 mA receive (no signal), 6A transmit @ 12-14 VDC. 7.5 A fuse, ATO type.
CONSTRUCTION: 4 epoxy glass PC boards, molded front panel, aluminum chassis, texture painted steel top
and bottom
DIMENSIONS: HWD 2.75" x 8.5" x 8.75" (7 x 21.6 x 22.2 cm)
WEIGHT: 4.5 lbs (2.05 kg)
TRANSMITTER
RF OUTPUT: 1-20 WATTS, ALC stabilized
MICROPHONE INPUT: 200 to 5k ohms, 4 pin, front panel connector accepts microphones with 5 mv (-67 dBm)
output. Voltage provided at jack for polarizing electrets.
T/R SWITCHING: PTT on SSB and FM, QSK on CW
METERING: forward power
SSB GENERATION: DSP
RECEIVER
SENSITIVITY: .20 mv typical 10 dB S+N/N @ 2.4 kHz bandwidth, SSB mode
SELECTIVITY: 35 filters built in; 200-1000 in 50 Hz steps, 1000-2800 Hz in 100 Hz steps.
S-METER: Calibrated to 50 uv at S-9.
I-F FREQUENCIES: 1
st
I-F 45 MHz, 2
nd
I-F 450 kHz, 3
rd
I-F 14.5 kHz
CONNECTIONS
POWER: AMP Mate-N-Lok, part numbers 350777-1 (housing) and 640309-3 (pins, 12-10 AWG)
KEY: For connection of key in CW mode or PTT in in SSB or FM modes.
MIC JACK: Facing radio, alignment pin at 12 o'clock position, +9 VDC at 2 o'clock, PTT at 4 o'clock, GND at 8
o'clock, MIC at 10 o'clock.
AUDIO OUT: Fixed line level output, 150 mv p-p at 600 ohms.
6M & 2M AMP: Connection makes when 6N2 is keyed, max sink from amplifier is 13.8 VDC, 100 mA.
XVRTR OUT: 44 MHz output at +5 dBm with XVRTR switch set to ON. XVRTR switch ON shuts off internal 20
watt PA and connects driver output to XVRTR OUT jack. (No TX power to 2M ANT jack with XVRTR switch ON.)
Connect transverter TX to 6N2 XVRTR jack, transverter RX to 6N2 2M ANT jack, and transverter key to 6N2 2M
AMP jack. 6 meter operation is unaffected by XVRTR.
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