5
SR–20C STL Receiver
Frequency Bands:
See ORDERING INFORMATION below.
Type of technology to produce op-
erating frequency:
Phase–locked loop; synthesized.
Operating Temp. Range:
–10ºC to +50ºC.
Frequency Stability (over operat-
ing temperature range):
0.0001%.
Monophonic Signal–to–Noise
@ 100 uV:
200 kHz BW @ 50 kHz Dev
125 kHz BW @ 15 kHz Dev
125 kHz BW @ 9 kHz Dev
Greater than 75 dB.
Greater than 64 dB.
Greater than 60 dB.
Monophonic Frequency
Response:
±
0.2 dB, 20 Hz to 15 kHz.
Monophonic Distortion
@ 100 uV:
200 kHz BW @ 50 kHz Dev
125 kHz BW @ 15 kHz Dev
125 kHz BW @ 9 kHz Dev
0.25% or less, 20 Hz to 15 kHz.
0.3% or less, 20 Hz to 15 kHz.
0.3% or less, 20 Hz to 15 kHz.
Composite Signal–to–Noise:
Greater than 75 dB, dependent upon the operating frequency, demodu-
lated, deemphasized.
Composite Frequency Response:
Composite
Wideband
±
0.2 dB, 30 Hz to 53 kHz.
±
0.3 dB, 30 Hz to 100 kHz.
Composite Distortion:
0.2% or less, 20 Hz to 15 kHz, demodulated, deemphasized, low–pass
filtered, left or right channel.
Spurious Response:
–90 dB.
RF Input Impedance:
50 ohms.
RF Connector:
Type N–Female.
Monophonic Output Level:
–10 to +11 dBm.
Monophonic Output Impedance:
Balanced, 600 Ohms – terminal strip/15–pin D–Type.
Composite Output Level:
0.25V to 8V p–p.
Sensitivity:
4 microvolts for 50 dB signal–to–noise.
14 microvolts for 60 dB signal–to–noise.
100 microvolts for maximum signal–to–noise, typically 75 dB or greater.
Metering/Indicators:
Illuminated meter indicates: 1) signal level, 2) subcarrier level, 3) power
supply level, 4) mono program output level, and composite program out-
put level. LEDs – MAX Signal, ATT Signal, UNSQUELCHED, POWER
supply, and AFC LOCK.
Front Panel Controls:
SIGNAL ATTENUATION, MONO PROGRAM OUTPUT LEVEL,
COMPOSITE OUTPUT LEVEL, SQUELCH LEVEL, meter selection
control, HEADPHONE level control.
Power Requirements:
85 to 264 VAC, 47 to 63 Hz.
External DC operation – +10 to +14 VDC.
Approximate AC Current Re-
quirements:
1.5 Amps.
Accessory Connector:
15–pin D connector or terminal strip.
Содержание SR-20C
Страница 1: ...MARTI ELECTRONICS STL RECEIVER MODELS SR 20M SR 20C October 2003 IM No 597 8105...
Страница 15: ...10 FIGURE 1 SINGLE DUAL SR 20M SYSTEM 597 8105 1 COPYRIGHT 2003 MARTI ELECTRONICS INC...
Страница 16: ...11 FIGURE 2 ACCESSORY REMOTE CONNECTIONS 597 8105 2 COPYRIGHT 2003 MARTI ELECTRONICS INC...
Страница 18: ...13 FIGURE 3 SR 20C SYSTEM DIAGRAM 597 8105 8 COPYRIGHT 2003 MARTI ELECTRONICS INC...
