PTX30 UHT /S3
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User Manual
Rev. 5.0 - 10/12/2001
7. Technical Specifications
7.1
Mechanical Specifications
Panel size
483 mm (19.0”) x 132.5 mm (5.2”)
Depth
345.0 mm (13.7”)
Weight
13 Kg
Temperature range
-10 °C
÷
50 °C
7.2
Electrical Specifications
A.C. power supply
100-130 V, 50-60 Hz
198-250 V, 50-60 Hz
Power Consumption
approx 140VA
Cooling system
Forced ventilation
Frequency range
87.5 MHz
÷
108 MHz, 10KHz steps
microprocessor controlled
Output power
continuosly adjustable from 2 to 30W
Automatic output level
automatically maintains operator control set
RF
Output connector
Standard “N” connector
Output impedance
50 Ohm
Harmonic soppression
> 65 dB
Spurious soppression
> 80 dB
Modulation type
Direct carrier frequency modulation
Composite intermodulation
0.05% or less measured with distortion
1KHz and 1.3KHz tones 1:1 ratio at 100%
modulation
Frequency stability
±500Hz (typ. ±300Hz) from 0° to +50°C
Frequency deviation
±75KHz nominal
Harmonic distortion
< 0.10% (0.05 typical)
FM S/N ratio
> 75dB mono, > 70dB stereo (75KHz DEV. -
RMS)
Residual AM (asynch)
aprox. 0.05% = 66dB RMS
Residual AM (sync)
0.1% = 60dB
Premphasis
50µs ±2% or 75µs ±selectable
Audio input level
Adjustable on 5 fixed levels or continuos
from -12 to +9 dBm
Audio input frequency range
30-15000 Hz mono input
30-10000 Hz mono input
Audio input filter stop band
> 45dB at 19KHz (mono) attenuation
Audio frequency response
± 0.3dB, 30Hz to 15KHz, mono input
Audio frequency response
± 0.5dB, 30Hz to 75KHz input
Stereo separation
> 45dB (50dB typical)
Pilot tone frequency
19KHz ±1Hz
Pilot tone level
-20dBm adjustable
Number SCA input
2 SCA operation 2
SCA input impedance
1KOhm unbalanced
SCA input level
0 dBm for ±7.5KHz deviation
SCA amplitude response
±0.5dBm from 40KHz to 100KHz
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