50 W FM EXCITER 150 W FM EXCITER
50-150
W FM EXCTER /ST-501.1/ST501.1A Models) HIGHLIGHTS
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·
FOLDBACK AND AUTOMATIC GAIN CONTROL CIRCUITS. ·
SELECTION MENU ON LCD SCREEN. ·
MICROPROCESSOR CONTROLLED. · CD.
HIGH QUALITY AUDIO. · LOW
DISTORTION AND HIGH S/N RATIO. ·
POWER OUTPUT 50 W OR 150 W
(ADJUSTABLE). ·
INPUTS: THREE SUBCARRIER INPUTS. (SCA), ONE COMPOSITE SIGNAL (MPX), ONE
MONOPHONIC SIGNAL ·
PASSWORD TO FREQUENCY CHANGES. · 10 MEMORISED
PRESETTING FREQUENCIES FOR N+1 SYSTEMS. (OPTIONAL). |
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TECHNICAL
SPECIFICATIONS |
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FREQUENCY RANGE: 87.5 to
108 MHz digitally programmable in front panel in 100 KHz steps. 10
frequencies preselected in memory. POWER OUTPUT: 50 W or 150 W continously
variable N (M) Connector. Open and short circuit protected. R.F. OUTPUT IMPEDANCE.: 50 Ohms. FREQUENCY STABILITY : +/- 200 Hz +32ºF TO +122ºF MODULATION TYPE: F3 . MODULATION CAPABILITY: +/- 410kHz. COMPOSITE INPUT IMPEDANCE UNBALANCED:1 K Ohm.
Nominal, resistive. COMPOSITE INPUT LEVEL: 3.5 v p-p Nominal, for + 75
kHz. deviation. SIGNAL TO NOISE RATIO: 88 dB below +/- 75 KHz
deviation 400 Hz. Measured from 20 Hz to 200 KHz badwidth and 50 usec.
deemphasis HARMONIC DISTORTION: < /= a 0.015% AMPLITUDE RESPONSE: 0 dB from 50 Hz to 150 KHz. PHASE RESPONSE: +/- 0,1º from linear phase 50 Hz
to 100 KHz. GROUP DELAY VARIATION: +/- 5 Nanoseconds, 50 Hz to
100 KHz. STEREOPHONIC SEPARATION: 50 dB from 50 Hz to 15 KHz and
60 dB from 400 Hz to 5 KHz (measured using SERATEL ST-501.0 Stereo Generator
). ASYNCHRONOUS AM SIGNAL TO NOISE RATIO: 65 dB
below equivalent reference carrier with 100% amplitude modulation, 400 Hz and
50 usec. deemphasis. (no FM modulation present). SYNCHRONOUS AM SIGNAL TO NOISE RATIO: 60 dB
below equivalent reference carrier with 100% amplitude modulation, 1 kHz (FM
modulation +/- 75 KHz, 400 Hz). SCA INPUT IMPEDANCE: 1 KOhm. Nominal resistive SCA INPUT LEVEL: 3.5 v. p-p nominal for +/- 7.5 KHz
deviation. SCA AMPLITUDE RESPONSE:
0 dB, 35 KHz to 150 KHz. |
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MONOAURAL AUDIO SPECIFICATIONS |
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GENARAL SPECIFICATIONS
REAR PANEL CONNECTORS:
LCD MULTIMETER:
POWER CONSUMPTION: 115 VA
(50 W), 280 VA (150 W). |
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FM DIGITAL EXCITER ADVANCED SOUND MODEL
ADVANCED
SOUND MODEL
HIGHLIGHTS
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·
MODULAR INTERFACES. PLUG AND PLAY WITH JUST THE INTERFACES YOU WANT(MONO,
STEREO, MPX, AES/EBU, RDS, SCA). ·
USER FRIENDLY. EASILY OPERATED AND PROGRAMMED VIA THE ILUMINATED FRONT PANNEL
DISPLAY AND SERIAL DATA PORT. ·
REAL TIME CLOCK. COMPLETE CONTROL OF PROGRAM SOURCE AND BROADCAST FRECUENCY
24 HOURS A DAY. ·
INTEGRAL MICRO-CONTROLER CONTINOUSLY MONITORS THE HEALTH OF YOUR EXCITER ·
VERY LOW DISTORTION AND HIGH S/N RATIO. ·
POWER OUTPUT 50 W (ADJUSTABLE). |
TECHNICAL SPECIFICATIONS
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MECHANICAL
SPECIFICATIONS.
|
Width |
For
standard 19" (482,6mm) rack. |
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Height |
3U of
rack . |
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Depth |
485mm. |
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Weight |
15 Kg. |
ENVIRONMENTAL
SPECIFICATIONS.
|
Storage temperature |
-10/+70ºC |
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Operational
temperature |
0 /
+50°C. |
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Relative
Humidity |
90% máx. |
|
Height |
4.000m. |
ELECTRICAL
SPECIFICATIONS.
|
Voltage |
220VCA ±10%
-50/60Hz. |
|
Power
consumption |
115 Vac. |
|
RF
output power |
Variable
between 3 to 50W. There is
an automatic power level control and a foldback circuit for protection
against excessive reflected power. Permits short circuit and open circuit output
protection. |
|
RF
output impedance |
50W. |
|
RF
output connector |
N
female. |
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Frequency
range of operation |
87.5 to
108 Mhz. Front panel and control terminal selection in steps of 100 Khz. |
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Non
essential radiation |
Meets CCIR and FCC requirements. |
|
Frequency
stability |
±200Hz
between 0 and 50ºC. |
|
Modulation
type |
With
frequency, F3, ±75KHz for 100% modulation level. |
|
Modulation
range |
±300KHz.
Limited by software |
|
Synchronous
signal to noise ratio |
-60dB
referred to 100% modulated carrier. (Modulation
present with FM ±75KHz and 400Hz audio). |
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Asynchronous
signal to noise ratio |
-60dB
referred to the 100% AM carrier. (Without
FM ). |
|
Plasma
Screen Measurements |
Active
frequency. Deviation
(maximum of scale ±150KHz) Source
level and modulation (-99 to –20dbm) Incident/Reflected
Power. |
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Audio
Input Signals |
1x
Composite Signal (MPX,RDS,SCA). Unbalanced
(10K, 600 W, 50 W) 2x
Analogue, Left + Right, balanced 600 W. 1x
Digital, balanced 600 W, 75W unbalanced, Fibre optic Toshiba connector. Auto
rate and bit detection from 32K to 56K, 16bit to 24bit as standard. To 96K by
option. · 3
Sub-carriers (SCA). Unbalanced. |
STEREO-MONO
MULTIPLEX SIGNAL SPECIFICATION (MPX,RDS,SCA).
|
Number of inputs |
1 via
BNC. |
|
Input
signal level |
3.5Vpk.pk
for ±75KHz of deviation. (Variable
from 1.5Vpk.pk to 10Vpk.pk). |
|
Input
impedance |
10kW,
600W, 50W unbalanced. |
|
Amplitude
response |
±0.05dB
from 30Hz to 96KHz. |
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FM Mono
Signal/Noise ratio |
Better
than 90dB (typical 96dB) at ±75KHz deviation and 400Hz. Measured over the
pass band 20Hz to 200KHz and de-emphasis of 50ms. |
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FM
Stereo Signal/Noise ratio |
Better than
80dB (typical 84dB) at ±75KHz deviation and 400Hz. Measured over the pass
band 20Hz to 200KHz and de-emphasis of 50ms. |
|
Separation
of channels |
50dB
from 50Hz to 15KHz and 60dB from 400Hz to 5KHz. Measured with the Seratel
model ST-501.0 stereo generator. |
STEREO-MONO
LEFT RIGHT SPECIFICATION.
|
Number of inputs |
2x
Cannon, balanced, 600W |
|
Input
signal level |
-12dbm
to +15dbm |
|
Amplitude
response |
±0.05dB
from 30Hz to 15KHz following pre emphasis curve. |
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Pre
emphasis |
Configurable,
0uS, 25uS, 50uS, 75uS, 125uS |
|
Distortion,
Stereo |
0.02% at
400Hz |
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Distortion,
Mono |
0.01% at
400Hz |
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FM Mono
Signal/Noise ratio |
Better
than 90dB (typical 96dB) at ±75KHz deviation and 400Hz. Measured over the pass
band 20Hz to 100KHz and de-emphasis of 50ms. |
|
FM
Stereo Signal/Noise ratio |
Better
than 80dB (typical 84dB) at ±75KHz deviation and 400Hz. Measured over the
pass band 20Hz to 100KHz and de-emphasis of 50ms. |
|
Separation
of channels |
60dB
below ±75KHz reference from 30Hz to
15KHz. |
STEREO-MONO
AES3/EBU SPECIFICATION
|
Number of inputs |
1x
Cannon, balanced, 600W, 1x RCA,
unblanced, 75W, 1x Fibre Optic
(optional), Toshiba type |
|
Input
signal level |
0dbfs |
|
Amplitude
response |
±0.05dB
from 30Hz to 15KHz following pre emphasis curve. |
|
Pre
emphasis |
Configurable,
0uS, 25uS, 50uS, 75uS, 125uS |
|
Distortion,
Stereo |
0.02% at
400Hz |
|
Distortion,
Mono |
0.01% at
400Hz |
|
FM Mono
Signal/Noise ratio |
Better
than 90dB (typical 96dB) at ±75KHz deviation and 400Hz. Measured over the
pass band 20Hz to 100KHz and de-emphasis of 50ms. |
|
FM
Stereo Signal/Noise ratio |
Better
than 80dB (typical 84dB) at ±75KHz deviation and 400Hz. Measured over the pass
band 20Hz to 100KHz and de-emphasis of 50ms. |
|
Separation
of channels |
60dB
below ±75KHz reference from 30Hz to
15KHz. |
SUB-CARRIER
SIGNAL SPECIFICATION (SCA).
|
Number
of inputs |
3 via
BNC, analogue |
|
Input
levels |
3.5Vpk.pk
for ±7´5KHz deviation. |
|
Input
impedance |
1KW
unbalanced. |
|
Amplitude
response |
±0.5dB
from 300Hz to 4.5KHz. |
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FM EXCITER
ST- 501.2
FM EXCITER ST-501.2 MODEL
TECHNICAL SPECIFICATIONS.
MECHANICAL SPECIFICATIONS.
Width........................................ Standard
19" Rack of - 482,6mm
Height....................................... 2
Unit of Rack – 87.2mm
Depth........................................ 393 mm
ENVIROMENTAL SPECIFICATIONS.
Temperature............................. 0º-45º C
Relative
Humidity..................... 90%
máx.
Altitude..................................... 4.000
m.
ELECTRICAL SPECIFICATIONS