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NT
350/LCD
Phase
Locked Loop Programmable
FM
Exciter/Transmitter 87.5 - 108 MHz Range
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| Mono $4460USD
Stereo $5175USD |
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 | Includes low pass/harmonic filter
and can be used as a stand-alone transmitter |
| All functions via LCD password
protected |
| Instant front panel programmability
in 10 kHz increments |
| Adjustable power output from 5 to
350 W with automatic power control maintaining the output at any
preset level |
| Remote control features include:
power on/off, fwd & ref power metering, RS232 compatible
(optional) |
| Meets or exceeds all FCC and CCIR
requirements. |
TECHNICAL
SPECIFICATIONS
Rated Output Power:
5-350 W continuously variable (ALC)
RF Output Connector: "N" type female
RF Output Impedance: 50 ohm
Frequency Range: 87.5 MHz to 108 MHz
Frequency Programmability: direct from front panel in 10
kHz increments
Frequency Stability: better than 5 ppm (± 500 Hz)
Modulation Type: direct carrier frequency modulation
Spurious & Harmonic Suppression: < - 80 dB or
better
Stereo Separation 55 dB @ 1 Khz
Distortion < 0.1 % (typ. 0.06 %) @ 1 Khz
Asynchronous AM S/N Ratio: 65 dB below reference carrier
with 100% amplitude modulation at 400 Hz without de-emphasis, no
FM modulation present
Synchronous AM S/N Ratio: 60 dB or better below reference
carrier with 100% amplitude modulation at 400 Hz, without
de-emphasis, FM modulation = ±75 kHz at 400 Hz
AC Power Requirement: 117 or 230 V, ±10%, 50-60 Hz,
single phase
Power Consumption: approx. 700 W from AC
Panel Size: 483 mm (19") W x 132 mm (3.5") H (2
standard rack spaces high)
Overall Depth: 410 mm (16")
Weight: 10 Kg (22 Lbs)
Ambient Temperature Range: 0° to 50° C (32° to 122°
F)
Pre-emphasis: for FCC 75 µsec; for CCIR 50 µsec
internally selectable
Composite
Operation
Composite Inputs:
four total, 1 for MPX and 3 for SCA
MPX Input: 1 unbalanced BNC connector
MPX Input Impedance: 2k ohm
MPX Input Level: 3.5 Vp-p (1.237 Vrms/3.64 dBm)
Composite FM unweighed S/N ratio: >68 dB below ±75
kHz deviation at 400 Hz measured in a 30 Hz to 100 kHz bandwidth
with 75 µsec de-emphasis (RMS)
Composite Total Harmonic Distortion: 0.05% typical
Composite Intermodulation Distortion: 0.05%, measured
with a 1 kHz and a 1.3 kHz tone, 1:1 ratio, at 100% modulation
Baseband: 30 Hz – 60 Khz within 0.15 dB
Crosstalk: main to stereo subchannel and stereo
subchannel to main >55 dB (60 dB typical)
SCA Inputs: 3 unbalanced BNC connectors
SCA Input Impedance: 10k ohm
SCA Input Levels: 0 dBm (775 mVrms/2.2 Vp-p) nominal for
±7.5 kHz deviation, adjustable
SCA Amplitude Response: ±0.8 dB, 40 kHz to 100 kHz
Crosstalk: 67 kHz SCA to main or to stereo subchannel
>65 dB
Crosstalk: 92 kHz SCA to main or to stereo subchannel
>70 dB
Monaural
Operation
Audio Input
Impedance: 600 ohm balanced or unbalanced; 50 dB common mode
suppression
Audio Input Level: 0 dBm (775 mVrms/2.2 Vp-p) for ±75
kHz, adjustable
FM S/N Ratio: >70 dB below ±75 kHz, deviation at 400
Hz measured in a 30 Hz to 20 kHz bandwidth with 75 µsec
de-emphasis (RMS)
Audio Frequency Response: ±0.8 dB, 30 Hz to 15 kHz
lntermodulation Distortion: 0.05% or less, measured with
a 1 kHz and a 1.3 kHz tone, 1:1 ratio, at 100% modulation
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