GDAMP-020 放大器

TW-ALA-HD
The TW-ALA-HD amplifiers process DBS transponders for coaxial cable distribution. Automatic level control
circuitry provides a constant -1dBm & -5dBm output power over a 20dB input range. The input range compensates
for installation variables like tap value and cable distance. The -1dBm & -5dBm output level works well in amplifier
cascades. Gain is complemented with 10dB of slope compensation. Model TW-ALA-HD includes a power supply, an
internal diplexer to power the LNB. The ON/OFF switch control the LNB power from RF input port, The led indicates
the LNB to be powered from RF input. Diode steered powering allows the amp to be powered from the power
connector or either input or output “F”connector.

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产品参数

Place of Origin:Guangdong,China
Model Number:GDAMP-020(TW-ALA-HD)
ITEM
TYPICAL
Q.C LIMIT
TEST CONDITIONS
FREQ RANGE
250 -2150 MHz
GAIN
@INPUTS BELOW ALC THRESHOLD
31 dB
28 dB MIN
34 dB
33 dB MIN
39 dB
38 dB MIN
43 dB
41 dB MIN
± 0.1 dB
± 0.2 dB
FLATNESS
RETURN LOSS
INPUT
- 10 dB
- 8 dB MIN
OUTPUT
- 12 dB
- 10 dB MIN
NOISE FIGURE
6 dB
7 dB MAX
OUTPUT LEVEL
-1 dBm&-5 dBm
32 TRANSPONDERS
INPUT LEVEL
-21 ~ -41dBm
@ -1 dBm &-5 dBm OUT
POWER SPECIFICATIONS
VOLTAGE
18VDC
CURRENT
600mA
CONNECTOR
“F” TYPE
ALL PORTS
IMPEDANCE
75 OHM
ALL PORTS
OPERATING TEMPERATURE
-20°C TO +50°C
POWER ADAPTOR
INPUT
120VAC/60Hz
OUTPUT
18VDC / 600mA


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