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S7600 Series FM Transmitters





 


Power Output 50W; 1kW; 2kW; 3kW; 5kW; 10kW; 20kW
(Adjustable from 0 to -10dB)
Operating Frequency 87 to 108 MHz in 10kHz steps
Carrier Frequency Stability ¡¾2.5ppm from -10 to 50 deg C
(1 ppm optional)
Stereo Transmission Meets ITU-R Recommendation 450 - 2
Frequency Deviation ¡¾75kHz 100% modulated with a 210kHz capability
RF Output Load Impedance 50 ohm unbalanced
Maximum VSWR Able to maintain full power at 1.5:1 before protection cuts in
RF harmonic Output Better than -70dBc
Spurious Radiation Better than -95dBc in the range 87.5 to 137MHz
>.5MHz form the carrier
Crosstalk Better than 50dB (20kHz to 15kHz)

Pre-emphasis

Off; 50 §Á or 75 §Á. User selectable
FM Signal to Noise Better than 87 dB below ¡¾75kHz deviation at 400Hz measured over a bandwidth of 20Hz with 50 or 75 §Á pre-emphasis
Audio Inputs Left(mono)+Right Stereo XLR Female balanced or unbalanced
Input impedance either 10K ohm or 600 ohm
Input level between +14 &-13dBm in 1dB stemps
Composite Input Female BNC
RF Output Connector Up to 2kW-7/16(F)DIN; 3-00Kw-1 EIA; 20kW - 3 EIA
Mains Power Connector Up to 2kW single phase 190-240V
3kW and above three phase & neutral 380-440V (others on request)
Power Factor Better than 0.9
Ambient Temperature Range 0¡É to +45¡É at an altitude up to 2500M

S7610 Model 10kW FM Transmitter





 


Power Output 5+5kW; 10kW; (10+10kW; 20kW when used as a pair)
(Adjustable from +0.5 to -10dB)
Operating Frequency 87 to 108 MHz in 10kHz steps
Carrier Frequency Stability ¡¾2.5ppm from -10 to 50 deg C
(1 ppm optional)
Stereo Transmission Meets ITU-R Recommendation 450 - 2
Frequency Deviation ¡¾75kHz 100% modulated with a 210kHz capability
RF Output Load Impedance 50 ohm unbalanced
Maximum VSWR Able to maintain full power at 1.5:1 before protection cuts in
RF harmonic Output Better than -70dBc
Spurious Radiation Better than -95dBc in the range 87.5 to 137MHz
>.5MHz form the carrier
Overall Efficiency Better than 50% but subject to configuration and installation details
Crosstalk Better than 50dB (20kHz to 15kHz)

Pre-emphasis

Off; 50 §Á or 75 §Á. User selectable
FM Signal to Noise Better than 87 dB below ¡¾75kHz deviation at 400Hz measured over a bandwidth of 20Hz with 50 or 75 §Á pre-emphasis
Audio Inputs Left(mono)+Right Stereo XLR Female balanced or unbalanced
Input impedance either 10K ohm or 600 ohm
Input level between +14 &-13dBm in 1dB stemps
Composite Input Female BNC
RF Output Connector 1 EIA; (20kW - 3 EIA)
Mains Power Connector Three phase & neutral 380-440V(preferred)
Others available upon request including single phase 210-240V
Power Factor Better than 0.9
Ambient Temperature Range 5¡É to +50¡É at an altitude up to 3500M

FM10 Series





 


Frequency range 87.5 to 108MHz in 50kHz steps
Frequency stability < ¡¾ 200Hz
Power output 1-10W
Harmonic & spurious output < -70dBc (30MHz to 1Ghz)
Spurious outputs < -100dBc (87.5MHz to 137MHz @fc¡¾0.5MHz)
AM noise < 0.5% @¡¾40kHz deviation
Input sensitivity +8dBu (adjustable) for ¡¾ 75kHz deviation
MPX response < ¡¾ 0.5dB(5Hz-100kHz), without pre-emphasis
AF response
(limiter versions)
< +0.5 - 1.0dB (20Hz - 15kHz)
Power supply 100/115/230Vac ¡¾10%, 50/60Hz
Power consumption < 40VA

Temperature
(operating)

-20¡É to 45¡É
Humidity
(operating)
,90% RH, non condensing
Dimensions 44mm high(1U) x 443mm wide x 385mm deep
(inc. connectors)
Weight 3kg
Warranty 5 years
Special Features - No Fans - no maintenance
- Fully synthesised
- Available with internal rebroadcast receiver or stereo encoder/limiter
- 5year Warranty

PA125 - 125W FM Power Amplifier





 


RF input power 5-8W required
RF output power 10 - 125W (front panel pre-set)
Input/output impedance 50§Ù
Harmonic & spurious output < -75dBc (30MHz to 1Ghz)
Spurious outputs < -90dBc (87.5MHz to 137MHz @fc¡¾0.5MHz)
AM noise < 0.5% @¡¾40kHz deviation
Minimum return loss 12dB at full power
(foldback above this level)
Power supply 230Vac ¡¾ 10%, 50/60Hz (115V optional)
Power consumption < 330VA
Temperature
(operating)
-20¡É to 45¡É
Humidity
(operating)
< 90% RH, non condensing

Dimensions

88mm high(2U) x 443mm wide x 420mm deep
(inc. handles & connectors)
Weight 10kg
Warranty 5 Years
Special Features - Incorporates sbs' unique "fresh air tunnel" with intelligent fan contrl, reducing maintenance and increasing reliability
- Comprehensive monitoring and alam functions built in
- 5 year Warranty