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Technical Specifications

 

SR 40A - Specifications

Nov 23, 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

Stability Over Operating Temperature Range±0.0001%
Frequency Programming:
Increments1 Hz
Accuracy±0.00025% of center frequency
Change Time<2 seconds
Number of Channels/FrequenciesUnlimited within band, enter from front panel controls
Mimimum Channel SpacingNone
Receive Bandwidth20-50 KHz, depending on selected frequencies
Deviation1.5, 5.0, 7.5 or 10.0 kHz depending upon frequency and filter
Spurious Response-90 dB
Sensitivity:
20 dB Signal-to-Noise0.5 µVs
30 dB Signal-to-Noise2.0 µVs
40 dB Signal-to-Noise4.0 µVs
Max Signal-to-Noise (typically 57 dB or greater)100 µVs

Audio Specifications

Type of TechnologyPhase-locked loop (synthesized)
Spurious Response-90 dB
Mono Operation:
Connector Type15- Pin D Connector
Output ImpedanceBalanced 600 Ohms
Output Level0 to +12 dBm
Frequency Response:
50 Hz to 3 kHz±1.5 dB, 10 kHz Channel BW, 1.5 kHz Dev, 20 kHz filter
50 Hz to 7.5 kHz± 1.5 dB, 25 kHz Channel BW, 5.0 kHz Dev, 25 kHz filter
50 Hz to 10.5 kHz± 1.5 dB, 36 kHz Channel BW, 7.5 kHz Dev, 36 kHz filter
50 Hz to 10.5 kHz± 1.5 dB, 41 kHz Channel BW, 10.0 kHz Dev, 50 kHz filter
S/N Ratio @ 100 µV Input:
10 kHz BW @ 1.5 kHz Dev44 dB
25 kHz BW @ 5.0 kHz Dev53 dB
36 kHz BW @ 7.5 kHz Dev57 dB
50 kHz BW @ 10.0 kHz Dev57 dB
THD + Noise:
10 kHz BW @ 1.5 kHz Dev2% or less, 50 Hz to 3 kHz
25 kHz BW @ 5.0 kHz Dev2% or less, 50 Hz to 7.5 kHz
36 kHz BW @ 7.5 kHz Dev2% or less, 50 Hz to 10.5 kHz
50 kHz BW @ 10.0 kHz Dev2% or less, 50 Hz to 10.5 kHz
IMD (For 20 dB Signal-to-Noise)75 dB
Image Rejection100 dB
Headphone:
Control at Midrange:
Frequency Response± 1.5 dB of the Specified Bandwidth
S/N Ratio-37 dB
THD + Noise2.5% or less at 400 Hz

Mechanical/Physical

RF Input ConnectorType N female
Accessory Connector1/4" Headphone jack and control
Output Connector:
Mono15-Pin D connector
Dimensions (Unpacked)3.5"H x 12"W x 15"D (8.9cm H x 30.5cm W x 38.1cm D)
Weight (Unpacked)6.7 lbs (3.0 kg)

Environmental

Operating Temperature-10° 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
Current Draw1.5 A @ 12 VDC
Power Consumption55 W Max (25 W typical)
Heat Dissipation55 Watt Max
Fuse1.25 amp slo-blo

All Specifications Subject to Change Without Notice


Click to Download Technical Specs (PDF)

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