PRESIDENT uniden BENJAMIN UT-552B, Руководство по обслуживанию, Страница: 25 / 77

2. Transmitter
NO.
ITEM
UNIT
AM SSB
FM
1 Frequency Tolérance Hz
within ±800 within ±800 within ±800
2
Mic Sensitivity
(AM 1 KHz at 50 % MOD, SSB 6 Wpep,
FM ± 1 KHz Dev.)
mV 2 MAX
2 MAX 2 MAX
3 Hum and Noise Ratio
(1 KHz 50 % MOD STD., FM ± 1.5 KHz
Dev. )
dB 40 MIN
- 30 MIN
4 Output Power (at N0 MOD)
W
3.6 - 4.4
- 3.6 - 4.4
5
Output Power Diff. Between Channels
Channels (at N0 MOD)
W 0.4 MAX
—
0.4 MAX
6
Power at AM 80 % MOD (lKHz MOD)
% Increased
From N0 MOD
- -
7
MOD Distortion Rate
(lKHz at 80 % MOD, FM ± 1.5 KHz Dev)
% 9 MAX -
9 MAX
8
AMC Range (Input ratio from 50 %
MOD to 100 % MOD)
dB
40 MIN
-
-
9
SSB TX MAX Output 10 Wpep - 10 dB
(2 signais, IMD, 3rd — 25 dB or less
Wpep
)
-
10.8 - 13.2
-
10
SSB TX Power Error
(6 Wpep, Mic input Ratio)
dB
-
4 MAX
-
11
Power Error Between USB and LSB
(6 Wpep 2.5 KHz Single Tone)
dB
- 4 MAX
-
12
ALC Range (Input Ratio from 9 Wpep
to 13.2 Wpep)
dB
—
40 MIN
-
13
Carrier Suppression
dB
- -40 MAX
-
14
Maximum Deviation
±KHz
-
-
3.5