Ptek FM250E, Руководство по эксплуатации и инструкция пользователя

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M O N A U R A L
O P E R AT I O N
Audio Input Impedance:
Audio Input Level:
Audio Frequency Response:
Total Harmonic Distortion:
FM S/N Ratio (FM Noise):
Asynchronous AM S/N Ratio (AM Noise):
Synchronous AM SIN Ratio (Incidental AM Noise):
600 ohms, balanced
+10 dBm (6.93 volts peak-to-peak) at 600 ohms for
75 kHz deviation
+/-0.5 dB; flat or 75 microsecond pre-emphasis, 20
Hz to 15kHz (other time const. available)
0.15% max.; 20 Hz to 15 kHz
70 dB min. below 75 kHz deviation at 400 Hz,
measured within a 20 Hz to 15 kHz bandwidth with
75 microsecond de-emphasis
60 dB RMS. below carrier; reference: 100% AM
modulation, at 400 Hz with 75 microsecond de-
emphasis, no FM modulation
57 dB below carrier; reference: 100% AM
modulation, full power at 400 Hz with 75uS de-
emphasis, FM +/- 75 kHz, 400Hz
Specifications
E N V I R O N M E N T
Altitude: Ambient Temperature
0-10,000 ft -10 to +50 oC
W I D E B A N D
O P E R AT I O N
Inputs:
Input Level:
Wideband Amplitude Response:
Composite Unbalanced 10k Ohms
SCA 1 Unbalanced 10k Ohms
1.25 V RMS. (3.54 volts peak-to-peak) for 75 kHz
deviation
+/-0.5 dB, 20 Hz to 100 kHz
G E N E R A L
Rated Power Output:
Power Consumption:
Frequency Range:
Frequency Control:
Frequency Stability:
Output Impedance:
Output Connector:
VSWR:
Modulation Type:
Modulation Capability:
Multi-Meter Indication:
Harmonic Attenuation:
2
5W, 50W
,
1
50W,
30
0W
150 W (for 50W model)
87.7 to 108 MHz, in 200 kHz steps (other step size to
order)
Phase locked loop frequency synthesis from high
stability master oscillator
+/- 1.2 kHz
50 ohms
Type -"N" female
1.5:1 for full power, derate to 0 at inf.
Direct carrier frequency modulation
To 100 kHz deviation
Deviation, Forward Power, Reverse Power, Final I & V
-70 dB, min.