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Item

Unit

Technical Parameters

Forward Path

Frequency range

MHz

47/54/85-862/1003

Rated gain

dB

30

34

36

38

40

Minimum full gain

dB

≥30

≥34

≥36

≥38

≥40

Rated input level

dBμV

72

Rated output level

dBμV

108

Flatness in band

dB

±0.75

Noise figure

dB

≤10

Return loss

dB

≥16

ATT

dB

1-18 (1dB stepping)

EQ

dB

1-15 (1dB stepping,)

C/CTB

dB

70

84 channels signal,

output level: 85MHz/550MHz/860MHz.

99dBuV/105dBuV/108 dBuV

C/CSO

dB

68

Group delay

ns

≤10  (112.25 MHz/116.68 MHz)

AC hum modulation

%

< 2%

Gain stability

dB

-1.0 ~ +1.0

Return Path

Frequency range

MHz

5 ~ 30/42/65

Rated gain

dB

≥20

Minimum full gain

dB

≥22

Maximum output level

dBμV

≥ 110

Flatness in band

dB

±0.75

Noise figure

dB

≤ 8

Return loss

dB

≥ 16

Carrier to second-order inter-modulation ratio

dB

≥ 52

Output level 110dBuV,

test points: f1=10MHz, f2=60MHz, 

f3=f2-f1=50MHz

Group delay

ns

≤ 20  (57MHz/59MHz)

AC hum modulation

%

< 2%

General Performance

Characteristic impedance

Ω

75

Test port

dB

-20±1

Power supply voltage

V

A：AC（135 ~ 250）V；B：AC（45 ~ 90）V

Impulse withstand voltage（10/700μs）

kV

> 5

Power consumption

W

35

Dimension

mm

295（L）╳ 210（W）╳ 150（H）