Harris Broadcast Flexiva FAX 5KW, Техническое руководство

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Section-1 Introduction
October 28, 2013
1 ‐ 18
Copyright ©2013, Harris Broadcast WARNING: Disconnect primary power prior to servicing. 888 ‐ 2720 ‐ 001
1.9 FAX Specifications(All Models)
For AC mains/power consumption, mechanical and other model specific specifications and information see the ECM
sheets in this section. For All audio specs and frequency stability see exciter manual that came with the transmitter.
Table 1-1 Specifications for all models transmitters
Frequency Range 87.5 ‐ 108 MHz
Operating Modes "Quad ‐ Mode", FM Only, FM+HD, HD Only,Split Level
Power Stability ± 0.25 dB
Asynchronous AM 55 dB Minimum below equivalent 100% amplitude modulation by 400 Hz using 75
µ
Sec
de ‐ emphasis
Synchronous AM 50 dB minimum below equivalent 100% amplitude modulation using 75
µ
Sec de ‐
emphasis and 400 Hz high ‐ pass filter (FM Deviation ± 75 kHz by a 1 kHz sinewave).
Measured at wideband input
RF Harmonic and Spurious
Suppression
Meets or exceeds all FCC, CCIR and ITU requirements
VSWR Protected against open or short circuit at all phase angles. Foldback user adjustable from
1.3 to 1.5:1. VSWR shutdown at 1.5:1
Altitude Maximum 9,843 feet (3000 M) elevation above sea level
Ambient Temperature Range 32
°
to 113
°
F (0 to 45
°
C), derated 35.6
°
F (2
°
C) per 1000 feet (300m) elevation
Humidity 95% Non ‐ condensing
Parallel Control dB ‐ 25 female connector, Status outputs open collector max 24 VDC/200 mA. Command
inputs TTL opto ‐ isolated. Analog outputs 0 to 5 VDC.
Web Interface Ethernet rear port user configurable; front port local use (DHCP Server)
SNMP SNMP Ver 1,2 compliant, Harris Broadcast Base MIB and IRT MIB available
Exciter Capable of using any Harris Broadcast or non ‐ Harris Broadcast exciter