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550MHz/750MHz CATV AMPLIFIER
Applications :
Wideband transistors line extender in CATV system operating in the 47MHz to 550MHz frequency range .
Features:
1 , Easy maintenance for module design .
2 , E type transformer power design .
3 , Adjustable gain and slope ( 0~20 dB ) .
4 , Plug-in fuse ( AC 60V BYPASS SELECTOR ) .
5 , Waterproof and dustproof and fast heat emitting .
6 , Output mode : Tap off 1 way .
7 , Provide TEST OUT -20 dB ) outside the amplifier box
Parameter:
MODEL | 550/750( 1740 ) | 550/750( 1730 ) |
ITEM | FORWARD | FORWARD |
TECHNOLOGY | WIDEBAND TRANSISTORS | WIDEBAND TRANSISTORS |
MIN.FULL GAIN | 40 dB | 30 dB |
RESPONSE FLATNESS | ±1.20 dB | ±1.00 dB |
GAIN CONTROL RANGE | 0---20 dB | 0---20 dB |
SLOPE CONTROL RANGE | 0---20 dB | 0---20 dB |
NOISE FIGURE | <9.5 dB | <9.5 dB |
RETURN LOSS ( 75 OHM ) | 16/14 dB | 16/14 dB |
OUTPUT MONITOR | -20 dB | -20 dB |
MAX. OUTPUT LEVEL | 120 dB | 120 dB |
GROSS MODULATION | 69 dB | 69 dB |
CSO ( dB ) | 61 | 62 |
CTB ( dB ) | 61 | 62 |
IN/OUTPUT IMPEDANCE | 75 OHM | 75 OHM |
HUM MODULATION | 60 ( 8A ) dB |
POWER REQUIREMENTS | AC30-60V/AC220V |
MAXIMUM POWER | 10WHTT |
POWER FREQUENCY | 50/60Hz |
INTERNAL CIRCUIT VOLT | DC 12V |
DIMENSION | 220*150*56mm ( L*W*H ) |
WEIGHT | 1.05Kg |
CATV Amplifier