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12. Measuring Channel
:
19
13. Standard Method of Measurement :
EIA RS—382 (ISS : 8 — 2 6 — 86)
C. TRANSMITTER
ITEMS
MODE
UNIT
NOMINAL
LIMIT
1. Frequency Tolérance at 25°C
(5 minutes after switch on)
AM
Hz
± 130
± 800
FM
Hz
± 130
± 800
SSB
Hz
± 130
± 800
2. Carrier Power at No Modulation AM
W
4
3.6 - ■
FM
W
4
3.6 - .
3. PEP Power, Two Tone, SSB
SSB
Wpep
12
10.8 - :
4. Spuriouś & Harmonie Emission
AM
dB
- 65
- 60
FM
dB
- 65
- 60
SSB
dB
- 65
- 60
5. Carrier Suppression
SSB
dB
- 50
- 40
6. Current Drain (AC) at No
Modulation
AM
mA
300
700
FM
mA
300
700
SSB
mA
150
300
7. Current Drain (AC)
AM : MAX Mod.
AM
mA
300
700
FM : MAX Dev.
FM
mA
300
700
SSB : MAX Wpep,
Two Tone
SSB
mA
300
350
8. Modulation Frequency Response
(1kHz, 0 dB reference)
Lower at 450 Hz
AM
dB
- 4
- 8
FM
dB
- 10
- 10
SSB
dB
- 4
- 8
üpper at 2.5 kHz
AM
dB
- 4
- 8
FM
dB
- 5
- 10
SSB
dB
- 4
- 8
9. Microphone Sensitivity
AM : For 50% Mod.
AM
mV
1
2
FM : For ± 1 kHz Dev.
FM
mV
1
2
SSB : For 6 Wpep
SSB
mV
1
2
10. AMC Range & ALC Range
AM : 50-100 % Mod.
AM
dB
50
40
Содержание uniden BENJAMIN UT-552B
Страница 1: ...Service Manual CB TRANSCEIVER Model BENJAMIN UT 552B uniden CORPORATION...
Страница 31: ...V BLOCK DIAGRAM...
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Страница 33: ...VI SCHEMATICS PC BOARDS WIRING DIAGRAM...
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