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Technical Specifications

 

SR 20M - Specifications

Nov 24, 2017

Available Operating Frequencies

150 MHz BandRange from 135 to 182 MHz
240 MHz BandRange from 215 to 265 MHz
330 MHz BandRange from 300 to 350 MHz
450 MHz BandRange from 430 to 480 MHz
950 MHz BandRange from 935 to 965 MHz

RF Specifications

Frequency Programming:
Increments1 Hz
Accuracy± 0.00025% of center frequency
Change Time<2 seconds
Receive Bandwidth125-250 KHz, depending on selected frequency
DeviationAdjustable, ±20 kHz max
Stability over Operating Temperature range± 0.0001%
Sensitivity:
50 dB Signal-to-Noise4 µVs
60 dB Signal-to-Noise14 µVs
Max Signal-to-Noise (typically 75 dB or greater)100 µVs

Audio Specifications

Type of technology to produce carrierPhase-locked loop (synthesized)
Spurious Response-90 dB
Mono Operation:
Connector Type15-pin D connector or external terminal strip
Output ImpedanceBalanced 600 Ohms
Output Level-10 dBm to +11 dBm
Frequency Response (20 Hz to 15 kHz)±0.2 dB
S/N Ratio @ 100 µV Input:
200 kHz BW @ 50 kHz Dev>75 dB
125 kHz BW @ 15 kHz Dev>64 dB
125 kHz BW @ 9 kHz Dev>60 dB
THD + Noise:
200 kHz BW @ 50 kHz Dev0.25% or less, 20 Hz to 15 kHz
125 kHz BW @ 15 kHz Dev0.3% or less, 20 Hz to 15 kHz
125 kHz BW @ 9 kHz Dev0.3% or less, 20 Hz to 15 kHz

Mechanical/Physical

RF Input ConnectorType N Female
Accessory Connector15-pin D connector or terminal strip
Output Connector15-pin D connector or terminal strip
Dimensions (Unpacked)3.5"H x 19"W x 15.5"D (8.9cm H x 48.3cm W x39.4cm D)
Weight (Unpacked)7.8 lbs (3.5 kg)

Environmental

Operating Temperature-20° C to +50° C
Altitude10,000 ft (3048m) max
Humidity95% maximum, non-condensing

Electrical

Voltage:
AC Operation85-264 VAC; 47-63 Hz
DC Operation+10 to +14 VDC (Via D Connector)
Current Draw1.5 A @ 12 VDC
Power Consumption55 W Max (25 W typical)
Heat Dissipation55 W Max
Fuse1.25 amp slo-blo

All Specifications Subject to Change Without Notice


Click to Download Technical Specs (PDF)

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