Harris
Platinum CD Series, Solid State 5KW FM Transmitter

GENERAL
POWER OUTPUT PT 2CD:
1.0 to 2.2kW
PT 4CD:
2.0 to
4.4kW
PT 5CD:
2.5 to 5.5kW
PT 10CD
2.0 to 11KW
EXCITATION Harris DIGIT™ Digital FM Exciter
(included).
MODULATION TYPE Direct Digital Synthesis using a 32
bit NCO (numerically controlled oscillator).
FREQUENCY RANGE 87.5 to 108MHz, digitally
programmable in
50Hz increments.
FREQUENCY STABILITY ±150Hz, 0°C to 50°C ambient
temperature
range.
LOAD IMPEDANCE 50 ohms, unbalanced.
OUTPUT CONNECTOR 1-5/8" El A flange (female).
MAXIMUM LOAD VSWR 1.35:1 for 100% power,
automatically
reduces power to maximum safe level into high VSWR
(proportional VSWR foldback).
RF HARMONICS/SPURIOUS Meets or exceeds FCC/IC/CCIR
requirements.
ASYNCHRONOUS AM S/N RATIO 55dB minimum below
equivalent 100% amplitude modulation by 400Hz using 75us de-emphasis
(no FM
modulation present).
SYNCHRONOUS AM S/N RATIO 53dB minimum below
equivalent 100% amplitude modulation with 75us de-emphasis and 400Hz
highpass filter (FM deviation ±75kHz by a 1kHz sine wave).
AC INPUT POWER 197 to 250VAC, 50 or 60Hz, 3 phase, 3
wire, closed delta or WYE; 360 to 415VAC, 50 or 60Hz, 3 phase, 4
wire
WYE; or 197 to 250VAC, single phase, 60Hz (only), 2
wire.
POWER CONSUMPTION, nominal
PT 2CD: 4.4kW at 2.2kW output power (5.86kVA)
PT 4CD: 8.6kW at 4.4kW output power (11.47kVA)
PT 5CD: 10.5kW at 5.5kW output power (14kVA)
AMBIENT TEMPERATURE RANGE 0 to 50 degrees C at sea
level,
derated 2 degrees C per 1,000 feet (304.9m) altitude.
MAXIMUM ALTITUDE 50/60Hz mains: 10,000 feet (3,049m).
CABINET SIZE 23-1/2' (59.7cm) wide, 38-1/4" (97.2cm)
deep, 72"
(182.9cm) high.
WEIGHT PT2CD: 1,050 Ibs. (477.3kg) PT4CD: 1,150 Ibs.
(522.7kg)
PT5CD: 1,200 Ibs. (545.5kg)
STEREO PERFORMANCE with Digital Input Module
INPUT DATA FORMAT AES/EBU (reference standards:
AES5-1984,
ANSI S4.28-1984, AES3-1985, ANSI S4.40-1992, and
AES3-1992).
DATA RATE Any in range 32kHz to 56kHz (32, 44.1 or
48kHz typically output from AES/EBU devices).
DIGITAL STEREO GENERATOR Complete digital composite
stereo waveform generated in the digital domain from incoming AES/EBU
stereo audio data, using a digital signal processor (DSP).
DIGITAL BASEBAND COMPOSITE LIMITING WAVES L-1
Ultramaximizer™
lookahead" techniques for control of peaks
before overmodulation can occur. Active with on-board
DSP stereo generator in stereo or monaural mode; pilot carrier and
SCA
signals unaffected. Limiter on/off and limit setting adjustable from
0-18dB either locally or by standard remote control systems.
PRE-EMPHASIS 0, 25, 50 or 75us, locally selectable.
STEREO SEPARATION (sine wave) 65dB or greater, 10Hz to
15kHz.
DYNAMIC STEREO SEPARATION (complex waveform) 55dB or
greater, 10Hzto 15kHz.
AMPLITUDE RESPONSE (L or R) 10Hz to 15kHz ±0.1dB
referenced to selected pre-emphasis curve.
FM SIGN ALTO NOISE RATIO (L or R) 77dB below 100%
modulation at 400Hz; measured in a DC to 22kHz
bandwidth with
75us de-emphasis and DIN "A" weighting. Does not
exhibit the subsonic noise associated with analog exciters.
STEREO TOTAL HARMONIC DISTORTION 0.005% or less for
any
modulating frequency from 10Hz to 15kHz, measured in DC to 22kHz
bandwidth with 75us de-emphasis.
INTERMODULATION DISTORTION (L or R) CCIF: 0.02%
(14/15kHz 1:1); SMPTE: 0.025% (60 and 7000Hz 1:1).
TRANSIENT INTERMODULATION DISTORTION (DIM) (L or R)
0.005% (2.96kHz square wave/14kHz sine wave
modulation).
LINEAR CROSSTALK L+R to L-R and L-R to L+R due to
amplitude
and phase matching of L&R channels (DC-15kHz): 85dB
below
100% modulation reference.
NON-LINEAR CROSSTALK L+R to L-R and L-R to L+R due to
distortion products: 85dB below 100% modulation
reference at
400Hz; 75dB below 100% modulation reference,
DC-15kHz.
RBDS/RDS SYNCHRONIZING SIGNAL 19kHz quasi-sinewave,
nominal 5.6V p-p, AC coupled, 100 ohm output impedance
(unbalanced); for use by customer-supplied, external
generator.
BNC female connector.
STEREO/MONAURAL MODE CONTROL Selectable locally or by
standard remote control systems. Switching to
monaural mode
maintains normal main channel modulation level with
loss of either L or R channel. Pilot carrier present in monaural
mode, can be set locally to zero amplitude.
EMERGENCY ANALOG COMPOSITE MODE Switchable locally or
by standard remote control systems to mute the
on-board DSP
stereo generator and accept analog composite stereo
on SCA Port
#2. Nominal input sensitivity (all SCA ports in this
mode): 3.5Vp-p
(1.24V RMS) for +75kHz deviation. FM signal to noise
ratio: 85dB
below 100% modulation. Total composite harmonic
distortion:
0.008%.
COMPOSITE INPUT PERFORMANCE with Analog
Input Module
INPUTS 2 total, 1 unbalanced, 1 balanced (BNC female
connectors).
INPUT IMPEDANCE 10,000 ohms, nominal (resistive).
INPUT LEVEL 3.5V peak-peak (1.24V RMS) nominal
for+75kHz
deviation.
FM SIGN ALTO NOISE RATIO 16 bit quantization (96dB)
below +75kHz deviation at 400Hz; measured in a DC to 100kHz
bandwidth with 75us de-emphasis; DIN "A" weighting.
Does not
exhibit the subsonic noise associated with analog
exciters.
AMPLITUDE RESPONSE ±0.01 dB, DC to 53kHz; ±0.25dB, 53
to
100kHz.
TOTAL HARMONIC DISTORTION 16 bit linearity (96dB
or 0.0016%
THD) over stereo sub band (DC to 53kHz).
INTERMODULATION DISTORTION CCIF: 0.008% (14/15kHz
1:1);
SMPTE: 0.008% (60/7000Hz 1:1).
TRANSIENT INTERMODULATION DISTORTION (DIM) 0.005%
(2.96kHz square wave/14kHz sine wave modulation).
SLEW RATE 9V/us, symmetrical.
GROUP DELAY VARIATION +5ns, DC to 53kHz, +50ns, 53 to
100kHz.
PHASE RESPONSE VARIATION ±0.1° from linear phase,
DC to
53kHz.
STEREO PERFORMANCE with Analog Input Module
NOTE: Analog stereo performance is defined mainly by
the external
stereo generator and program path. The following
specifications
are typical when using high quality source equipment.
FM SIGN ALTO NOISE RATIO (L or R) 77dB below 100%
modulation at 400Hz; measured in a DC to 100kHz
bandwidth with
75us de-emphasis (A-weighting). Does not exhibit the
subsonic
noise associated with analog exciters.
AMPLITUDE RESPONSE (L or R) 10Hz to 15kHz ±0.5dB
referenced to selected pre-emphasis curve.
TOTAL HARMONIC DISTORTION (L or R) 0.003% at 5kHz,
0.01%
from 10Hz to 15kHz; measured in a DC to 22kHz
bandwidth with
75us de-emphasis.
INTERMODULATION
DISTORTION (L or R) CCIF: 0.025%; SMPTE
(60 and 7000Hz, 4:1): 0.025%. TRANSIENT
INTERMODULATION DISTORTION (DIM) (L or R)
0.005% (2.96kHz square wave/14kHz sine wave).
STEREO SEPARATION (sine wave) Better than 60dB, 10Hz
to
15kHz.
NON-LINEAR CROSSTALK L+R to L-R and L-R to L+R due to
distortion
products: 85dB below 100% modulation reference at 400Hz; 75dB below
100% modulation reference, DC-15kHz.
SCA (RBDS/RDS) PERFORMANCE with Digital or
Analog Input Module
NOTE: Analog SCA/RBDS/RDS performance is defined
mainly by the external subcarrier generator and program path. The
following specifications are typical when using high quality source
equipment.
INPUTS 3 total, BNC female connectors.
SCA FORMAT Externally generated, analog FM
subcarriers in the range 57-100kHz (39-100kHz in monaural
operation).
SCA INPUT IMPEDANCE Analog Module: 10,000 ohms
unbalanced, nominal, resistive. Digital Module: 3,000
ohms
unbalanced, nominal, resistive.
SCA INPUT LEVEL 1.5V p-p nominal for ±7.5kHz
deviation of main
carrier.
SCA SUBBAND AMPLITUDE RESPONSE -»-0.01/-0.25dB,
5-100kHz.
SCA CHANNEL RESPONSE Defined by response of SCA
generator and SCA program path.
SCA CHANNEL FM SIGNAL TO NOISE RATIO 74dB below ±6kHz
subchannel deviation at 400Hz with 150us de-emphasis.
HARMONIC DISTORTION 0.4% or less in audio passband of
SCA generator.
INTERMODULATION DISTORTION SMPTE (60 and 7000Hz,
1:1):
0.4% or less, no pre/de-emphasis, SCA generator
lowpass filter
bypassed.
CROSSTALK, SCA to STEREO 65dB below 100% modulation,
L or R channel with 75us de-emphasis.
CROSSTALK, STEREO to SCA 55dB below 100% modulation
(referenced to ±6kHz deviation and 150us de-emphasis
in SCA
demodulator).
CROSSTALK, SCA to SCA 55dB below 100% modulation
(referenced to ±6kHz deviation and 150us de-emphasis
per
channel.
MONAURAL PERFORMANCE with Analog Input
Module
INPUT One, BNC female connector.
AUDIO INPUT IMPEDANCE 600 ohms, balanced, floating,
resistive; adaptable to other impedances. 60dB common mode
suppression.
AUDIO INPUT LEVEL +10dBm nominal for ±75kHz deviation
at 400Hz, locally adjustable from -9 to +14dBm.
AUDIO RESPONSE 10Hz to 20kHz ±0.1 dB, referenced to
selected
pre-emphasis curve (no lowpass filter).
FM SIGNAL TO NOISE RATIO 16 bit quantization (96dB)
below ±75kHz deviation at 400Hz; measured in a DC to 100kHz
bandwidth with 75ps de-emphasis and DIN "A" weighting. Does not
exhibit the subsonic noise associated with analog exciters.
PRE-EMPHASIS 0, 25, 50 or 75[is, locally
selectable.
TOTAL HARMONIC DISTORTION 0.0016% at 12.5kHz, 0.01%
from 10Hz to 15kHz; measured in a DC to 22kHz bandwidth with 75us
de-emphasis.
INTERMODULATION DISTORTION CCIF: 0.025% (14/15kHz
1:1); SMPTE: 0.025% (60/7000Hz 1:1).
TRANSIENT INTERMODULATION DISTORTION (DIM) 0.005%
(2.96kHz
square wave/14kHz sine wave).
All specifications referenced to any single output
frequency (87.5-108MHz), 100% rated output power, and 50 ohm test
load.
|