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Harris FM 5K1, single tube 5KW FM Transmitter
On-Board Diagnostics
GENERAL
POWER OUTPUT:
1500
Watts
to 5000 Watts.
FREQUENCY RANGE:
87.5 to 108 MHz, tuned to specified operating frequency.
RF
OUTPUT
IMPEDANCE:
50 ohms.
OUTPUT TERMINATION:
1-5/8" EIA flange.
FREQUENCY STABILITY:
±300
Hz 0° to 45°C TCXO.
TYPE OF MODULATION:
Direct Carrier Frequency Modulation (DCFM).
MODULATION CAPABILITY:
133%.
AC INPUT POWER:
197/250 V, 60 or 50 Hz, single phase, two wire. Power consumption:
10 kW watts (approx.). 60 or 50 Hz, 150 watts for MX-15.
RF
HARMONICS: Suppression meets all FCC
requirements.
ALTITUDE:
10,000 ft./60 Hz, 7500 ft./50 Hz.
AMBIENT TEMPERATURE RANGE:
-20°C to +45°C.
MAXIMUM VSWR:
2.0:1.
OVERALL CABINET SIZE:
33"W (84cm) x 72"H (182 cm) x 34"D (99cm).
FINISH:
White, blue and black.
WEIGHT & CUBAGE:
Export: 46.7 cu. ft. (1.322 cu. m); Weight 925 Ibs. domestic (420
Kg); 10251bs. export (470 Kg.)
WIDEBAND COMPOSITE OPERATION
COMPOSITE INPUT:
One balanced floating input. COMPOSITE INPUT
IMPEDANCE: 2000 ohms resistive. COMPOSITE INPUT CONNECTOR:
Female BNC.
COMPOSITE INPUT
LEVEL:
1.0volt RMS nominal for
±75 kHz deviation.
EXTERNAL SCA GENERATOR INPUTS:
Up to two unbalanced inputs (optional).
COMPOSITE FM SIGNAL TO NOISE: 80
dB below 100% modulation (reference 400 Hz @ ±75 kHz deviation with
75 microsecond de-emphasis, 20 Hz to 200 kHz bandwidth).
COMPOSITE HARMONIC DISTORTION:
.08%. COMPOSITE INTERMODULATION DISTORTION: .02% (60 Hz/ 7
kHz 1: 1 tone pairs).
COMPOSITE CCIF INTERMODULATION
DISTORTION: All distortion products below 80 dB (reference 14
kHz/15 kHz test tone pair).
COMPOSITE AMPLITUDE RESPONSE:
±0.1dB, 30 Hz-53 kHz.
ASYNCHRONOUS AM SIGNAL TO
NOISE: 55 dB below reference carrier AM
modulation 100% output power.
SYNCHRONOUS AM SIGNAL TO
NOISE: -50 dB.
MONAURAL OPERATION
AUDIO INPUT IMPEDANCE:
600 ohms, balanced, resistive, transformerless, adaptable to other
impedances.
INPUT
FILTER:
Controlled response low
pass filter, defeatable.
AUDIO
INPUT
LEVEL:
+ 1 0 dBm ±1 dB for 100%
modulation at 400 Hz.
AUDIO
FREQUENCY RESPONSE:
Standard 75 microsecond
FCC pre-emphasis curve ±0.5 dB, 30 Hz-15 kHz. Selectable: flat, 25
or 50 microsecond pre-emphasis.
HARMONIC DISTORTION:
0.15%, 30 Hz to 15 kHz deemphasized.
INTERMODULATION
DISTORTION:
.045%, 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).
FM SIGNAL TO
NOISE RATIO:
80 dB below 100% modulation
(reference 400 Hz @ ±75 kHz
deviation, measured 20 Hz to
200 kHz bandwidth, 75 microsecond
de-emphasis).
STEREO
OPERATION
TYPE OF
MODULATION: Digitally
Synthesized Modulation
(DSM).
AUDIO INPUT
IMPEDANCE: Left and
right channels: 600 ohms,
balanced, resistive, transformer
less, adaptable to other impedances.
AUDIO INPUT LEVEL:
+ 10 dBm, ± 1 dB for 100% modulation.
AUDIO
FREQUENCY RESPONSE:
(Left and right) standard
75
microsecond FCC pre-emphasis curve ±0.5 dB, 30 Hz-15 kHz.
Selectable: flat, 25 or 50 microsecond pre-emphasis.
INPUT
FILTERING: 15 kHz low pass
filter, 45 dB rejection at 19 kHz.
OVERSHOOT
PROTECTION: Harris patented
Dynamic Transient Response (DTR) filter. Defeatable for test
purposes.
AUDIO
TRANSIENT RESPONSE:
2% maximum
overshoot beyond steady state.
HARMONIC
DISTORTION: (Left or right)
0.2% or less, 30-15,000
Hz.
INTERMODULATION DISTORTION:
(Left or
right)
0.1% 60 Hz/7 kHz
test tone
pair, 4: 1 ratio.
CCIF
INTERMODULATION DISTORTION:
(Left or
right) all distortion products down 75 dB (reference
14 kHz/15 kHz
test tone
pair).
STEREO
SEPARATION:
50 dB, 30 Hz-15 kHz;
typically
60 dB at
midband
frequencies.
DYNAMIC STEREO
SEPARATION:
48 dB under
normal programming conditions.
LINEAR
CROSSTALK:
-50 dB.
NON-LINEAR CROSSTALK:
-60 dB.
76 kHz
SUPPRESSION: -68 dB.
38 kHz
SUPPRESSION:
- 73 dB.
FM NOISE:
(Left or right)
72 dB
minimum below 100%
modulation. Reference:
400 Hz, 75
microsecond
de-emphasis,
±75 kHz
deviation,
measured
30 Hz to 15 kHz
bandwidth.
PILOT
OSCILLATOR:
Crystal
controlled.
PILOT PHASE:
Harris
patented automatic pilot phasing circuit.
PILOT STABILITY:
19 kHz ±1 Hz 0°
to 50°C.
OPERATIONAL
MODES: Stereo, mono (left
and right), mono (left), mono (right)-remoteable.
SCA OPERATION
MODULATION:
Direct FM.
FREQUENCY OF
OPERATION:
67 or 92 kHz
programmable, any frequency between
25
and 92 kHz on special order. FREQUENCY STABILITY: ±500 Hz.
MODULATION
CAPABILITY:
±7.5 kHz.
AUDIO
FREQUENCY RESPONSE:
67 kHz and 92 kHz AC coupled
input,
150 microsecond
pre-emphasis ±1dB, standard.
Selectable flat,
50 or 75
microsecond
pre-emphasis. DC coupled inl1Jut: No
pre-emphasis:
DC to 4 kHz ±0.5
dB.
AUDIO INPUT IMPEDANCE:
600 ohms
balanced (AC coupled).
Also 2000
ohms
DC
coupled unbalanced
input through
rear BNC
connector.
AC INPUT
LEVEL:
+ 10 dBm, ±1
dB for 100% modulation
at 400 Hz @ 600
ohms.
DC INPUT
LEVEL:
1.0 volt peak for 5 kHz deviation.
INPUT
FILTERING:
Programmable
LPF, 4.5 kHz
standard.
3
kHz,
5 kHz, 7.5 kHz
selectable.
Low pass filter defeatable.
HARMONIC
DISTORTION:
0.5%,30-4,500 Hz ±:5 kHz
deviation.
INTERMODULATION
DISTORTION: 1%,60
Hz/7 kHz,
1:1 ratio
(audio low pass filter and pre-emphasis bypassed).
FM NOISE:
(Main
channel not modulated) -63 dB (reference: 100% modulation = ±5
kHz
deviation
at
400 Hz).
CROSSTALK:
(SCA to
main
or
stereo
sub-channel) -60 dB or better.
CROSSTALK:
(Main or
stereo sub-channel to SCA) 55 dB below ±5
kHz
deviation of SCA
with mono
or
stereo channels
modulated by frequencies
30 Hz-15
kHz, SCA
demodulated with
150
microsecond
de-emphasis.
CROSSTALK:
SCA to SCA (67 kHz/92 kHz) -50 dB
demodulated with
150
microsecond
de-emphasis.
AUTOMATIC MUTE
LEVEL:
Variable
from 0 to -30 dBm. MUTE
DELAY:
Adjustable
0.5 to 20 seconds.
INJECTION
LEVEL:
1 % to 30% of
composite level (adjustable).
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