Midland 91-1060-91-1110, Дополнение к руководству по обслуживанию

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General Information
Low Current Base Tech 3.5
SPECIFICATIONS -UHF
General
Frequency Range:
A Band: 400-435 MHz, B Band: 440-475 MHz
C Band: 465-500 MHz, D Band: 485-520 MHz
Number of Channels:
500 channels with name, 10 groups of 50 channels
Channel Spacing:
FM 12.5 / 20 / 25 / 30 kHz; Digital C4FM
Operation Mode:
Simplex / Duplex / Full Duplex/ Repeat
Antenna Impedance:
50 ohm unbalanced
Power Supply:
DC 13.6 V negative ground only
Consumption:
<120mA Standby
@RX
~1 A
@TX
≤ 12 A (60W), ≤ 20 A (110W)
Environmental Conditions:
-30 to +60 degrees C, 95% humidity @ 35C
Dimensions:
462 mm (w) x 88 mm (h) x 360 mm (d); 18.2” x 3.4” x 14.2”
Weight:
11 kg (24 lbs.)
Transmitter
Output Power:
(91-4050) 25-50W continuous
(91-4100) 2-100W continuous
Switchable Bandwidth:
Full sub band
Maximum Deviation:
±
5 kHz (wide band);
±
2.5 kHz (narrow band)
Frequency Stability:
≤ 1.5 ppm std, 10 MHz external optional
Frequency Response:
1, -3dB, 300-3000Hz
FM Hum and Noise:
≥ 50 dB @1 kHz 60% mod.; ≥ 50 dB Digital
Modulation Distortion:
≤ 3%
Spurious & Harmonics:
≤ 0.25 µW (-80 dBc)
Receiver
Switchable Bandwidth:
Full sub band
IF Frequencies:
1
st
IF: 73.35 MHz, 2
nd
IF: 455 kHz
Frequency Stability:
≤ 1.5 ppm
Sensitivity:
≤ 0.40 µV for 20 dB N.Q./ ≤ 0.30 µV for 12 dB SINAD
< 0.30 µV Digital 5% BER
Squelch Sensitivity
: ≤ 0.25 µV
Selectivity:
≥ 85 dB @ 25 kHz; ≥ 80 dB @ 12.5 kHz (TIA-603);
≥ 80 dB Digital mode
Intermodulation:
≥ 85 dB
Spurious Response:
≥ 100 dB
AF Response:
+1 / -3 dB, 300-3000 Hz, 1 kHz ref.
AF Distortion:
≤ 3% @ 1 kHz 60% mod.
Audio Output (<2% distortion): 7.
5 Watts @ 8 Ώ / 10 Watts @ 4 Ώ
Signal to Noise Ratio:
≥ 50 dB @ 1kHz 60% mod. (45 dB at narrow)
© 2012 Midland Radio Corporation 2