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HARRIS HT 10FM SPECIFICATIONS
GENERAL
POWER
OUTPUT.
5,000 to
10,000 watts (FCC type-notified range)
FREQUENCY RANGE.
87.5 to
108 MHz in 50 kHz steps. Tuned to single frequency.
EXCITATION:
Harris
THE1 High Power FM Exciter
TYPE
OF MODULATION:
Direct
carrier frequency modulation (DCFM)
MODULATION CAPABILITY:
+200
kHz
RF
LOAD IMPEDANCE:
50 ohms
RF
OUTPUT TERMINATION:
3 1/8”
EIA flange, female
PA
MATCHING RANGE:
1.7:1
VSWR, maximum for full output power; automatic power reduction into
high VSWR's
RF
HARMONIC/SPURIOUS OUTPUT.
Suppression meets or exceeds FCC/DOC/CCIR specifications
AC
INPUT POWER:
197-250
VAC, 50/60 Hz, three-phase, 3-wire closed delta or 360-415 VAC
4-wire WYE. OPTIONAL: 197-250 VAC, 50/60 Hz, single phase, 2-wire.
POWER
CONSUMPTION:
15.7 kw
typical at 10 kw RF output
POWER
FACTOR:
0.95
(3-phase), 0.85 (1-phase)
AMBIENT TEMPERATURE RANGE:
-20 to
+50șC at sea level; derated 2șC/1000 ft altitude
MAXIMUM ALTITUDE:
10,000 ft
(60 Hz), 7,500 ft (50 Hz)
MAXIMUM HUMIDITY:
To 95%
non-condensing
AIR
REQUIREMENTS:
400 CFM
(60 Hz), 350 CFM (50 Hz); no back pressure
CABINET SIZE:
33"W (84
cm) x 34”D (99 cm) x 72”H (183 cm)
WEIGHT/VOLUME:
1,125
lbs/46.7 cu. ft., domestic packed
WIDEBAND COMPOSITE OPERATION (STANDARD)
INPUTS:
Two; one
balanced, floating and one unbalanced.
INPUT
IMPEDANCE:
2000 ohms
resistive.
INPUT
CONNECTORS:
Female
BNC (rear panel).
INPUT
LEVEL:
1.0
volt RMS
nominal for +75 kHz deviation.
AMPLITUDE RESPONSE:
+0.1
dB, 30 Hz
to 53 kHz; -0.2 dB at 100 kHz.
FM
SIGNAL TO NOISE:
80
dB below
100% modulation (reference 400 Hz at +75 kHz deviation with
75 microsecond de-emphasis, 20 Hz to 200 kHz bandwidth).
HARMONIC DISTORTION:
0.08%
INTERMODULATION DISTORTION:
0.02% (60
Hz/7 kHz 1:1 tone pair).
CCIF
INTERMODULATION DISTORTION:
All
distortion products below 80 dB (reference 14 kHz/15 kHz test tone
pair).
ASYNCHRONOUS AM SIGNAL TO NOISE:
55 dB
below equivalent 100% amplitude modulation
SYNCHRONOUS AM SIGNAL TO NOISE: 50
dB below
equivalent 100% amplitude modulation of output carrier with 75
microsecond de-emphasis (FM modulation +75 kHz @ 400 Hz).
PHASE
RESPONSE:
+0.5/-1.0
degrees from linear phase, 20 Hz to 53 kHz.
TRANSIENT INTERMODULATION DISTORTION:
0.05%,
2.96 kHz square wave/14 kHz sine wave modulation.
TEST
INPUT (FRONT PANEL):
Nominal
1.0 volt for +75 kHz deviation at 400 Hz (10,000 ohm input
impedance, BNC female connector)
TEST
OUTPUT (FRONT PANEL):
Nominal
1.0 volt for +75 kHz deviation at 400 Hz (200 ohm source
impedance, BNC female connector)
MONAURAL OPERATION ISTANDARD)
AUDIO
INPUT -IMPEDANCE:
600 ohms,
balanced, resistive, transformerless.
AUDIO
INPUT LEVEL: +10
dBm, +1
dB for +75 kHz deviation at 400 Hz.
AUDIO
FREQUENCY RESPONSE:
Standard
75 microsecond FCC pre-emphasis curve +0.5 dB, 30 Hz-15 kHz.
Selectable: flat, 25, 50 or 7-5 microsecond pre-emphasis.
HARMONIC DISTORTION:
0.08%, 30
Hz to 15 kHz, de-emphasized.
INTERMODULATION DISTORTION:
0.04%, 60
Hz/7 kHz test tone pair, 4:1 ratio.
CCIF
INTERMODULATION DISTORTION:
All
distortion products down 70 dB (reference 14 kHz/15 kHz test tone
pair).
TRANSIENT INTERMODULATION DISTORTION:
0.05%,
2.96 kHz
square wave/14 kHz sine wave modulation
FM
SIGNAL TO NOISE RATIO:
At least
80 dB below 100% modulation (reference 400 Hz @ ±75 kHz deviation,
measured 20 Hz to 200 kHz bandwidth, 75 microsecond de-emphasis).
SCA INPUTS (STANDARD)
EXTERNAL SCA GENERATOR INPUTS:
Two
INPUT
-CONNECTORS:
BNC
female (rear panel).
INPUT
IMPEDANCE:
10,000
ohms,
unbalanced.
INPUT
LEVEL:
0.1V
(nominal) for 10% injection.
RANGE
OF SUBCARRIER FREQUENCIES:
57 kHz to
92 kHz (25 kHz to 92 kHz in monaural operation).
AMPLITUDE RESPONSE:
+0.1
dB, -0.2
dB; 20 kHz to 100 kHz.
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