CATV Two-way Trunk Amplifier

Items

Unit

Technical parameter

Note

Forward

Reverse

Frequency range

MHz

47/87~750/860

5~65

Customers can order other frequent cutting mode

Rated gain

dB

34

22

Forward reference frequency point 750MHz, and reverse is 65MHz

Operation Gain(two-way,ATC)

dB

30

Forward reference frequency point 750MHz, and reverse is 65MHz

Flatness in band

dB

±0.5

±0.5

Two-way is ± 0.75

Rated output level(OUT1)

dBμV

108

108

Branch Output Level(OUT2)

dBμV

Branch108

distribution104

Forward reference frequency point 750MHz, and reverse is 65MHz

Branch Output Level(OUT3)

dBμV

Branch 98

Distribution 104

Forward reference frequency point 750MHz

C/CTB

dB

68

Forward 79 way PAL-D analogue channel

C/CSO

dB

66

≥52

Forward 79way PAL-D analogue channel, reverse for 10/60MHz

Noise coefficient

dB

≤8

≤10

ATC characteristics

dB

±2(±30℃)

Return loss

dB

≥16

≥16

Group time delay

ns

≤10

≤20

112.25/116.68MHz(forward) 57/59MHz(reverse)

Signal alternating voice ratio

%

<2

Concussion resistant voltage

KV

5

10/700us

Standard power voltage

V

A:60V   B:220V

AC