Use and maintenance manual
Page 123
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E-Mail: support@elenos.com
7. TECHNICAL SPECIFICATION
Parameter Values
FREQUENCY BAND 87.5 - 108.0 MHz in steps of 10KHz
OUTPUT POWER 0 - 250 (300) Watt continuously adjustable
OUTPUT POWER STABILITY between +/- 0.1 dB
FINAL STAGE TECHNOLOGY MOSFET
OUTPUT IMPEDANCE 50 Ohm
OUTPUT CONNECTOR Standard type “N” Female
HARMONIC SUPPRESSION > 70 dB
SPURIOUS SIGNAL SUPPRESSION > 80 dB
FREQUENCY STABILITY Better than 1ppm: (0 - +40°C) in the first year
TYPE OF MODULATION F3 Direct FM Modulation on RF oscillator at fundamental
frequency
RESIDUAL AM Asynchronous: 0.1% Synchronous: 0.2% (typical values)
Low frequency section
Parameter Values
V.S.W.R. PROTECTION Progressively reduced to a safety level (50W)
AUTOMATIC GAIN CONTROL Stabilises the output power to the level programmed
INTERMODULATION DISTORTION <0.05% measured with composite tones 1KHz and 1.3KHz, 1:1 ratio
at 100% modulation
FREQUENCY DEVIATION +/- 75KHz adjustable in steps of 0.1dB
THD+N <0.03% @ 1 KHz
FM S/N RATIO with weighted CCIR filter -72dB ref. at +/-75KHz dev.
PRE-EMPHASIS 50/75 us +/-0.1dB
FREQUENCY RESPONSE Mono: +/-0.15dB (30Hz - 15KHz) MPX: +/-0.1dB (30Hz -
100KHz)
-45dB at 19KHz
Stereo: +/-0.15dB (30Hz - 15KHz) SCA1,2,3: +/-1dB (20KHz -
100KHz)
-45dB at 19KHz
STEREO SEPARATION 65dB @ 1KHz typical value
PILOT TONE Frequency: 19KHz +/- 1Hz deviation 7.5KHz adjustable
INPUT MODULE AUDIO L/R Input Impedance: 10KOhm - 600Ohm (selectable) balanced i/p
Frequency response: 20Hz - 15KHz
Adjustment: -12 - +12dB in steps of 0.1dB
Connector: XLR female
ATTENUATION AT 19KHz 45dB
MPX INPUT MODULE Impedance 10KOhm unbalanced i/p
Frequency response: 30Hz - 100KHz
Adjustment: -12 - +12dB in steps of 0.1dB
Connector: BNC female
SCA INPUT Impedance 10KOhm unbalanced i/p
Frequency response: 20KHz - 100KHz
Connector: BNC female
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