Hirschmann GHV 20 M, Operating Instructions Manual, Page: 5 / 8

5
c
Type GHV 20 M
Order No. 940 030-061
Frequency range
vorward MHz 85...862
return MHz 5...65
Gain
Output 1 dB 0 12
Output 2, 3, 4 dB - 10.5
Level adjuster dB 0...-20
Noise figure dB 6
Return loss dB 17 16
(min. categ. C) (min. categ. C)
Impedance
Ω
75
Output level, IMA = 60 dB
IMA 2 acc. EN 50083-3 dBµV 90
IMA 3 acc. EN 50083-3 dBµV 97
IMA 3 acc. EN 50083-5 dBµV 103
CSO Cenelec 42 ch. 862 MHz dBµV 87
CTB Cenelec 42 ch. 862 MHz dBµV 90
Connected loads
Supply voltage (50 – 60 Hz) VAC 230
Power consumption W 3
Ambient conditions to EN 60065
Operating temperature range °C – 25 … +55
Degree of protection II, totally insulated
Protection class IP 20
Housing
Weight kg approx. 0.65
Dimensions W x H x D mm 150 x 80 x 50
Screening attenuation
acc. EN 0083-2, class A dB 75 min
RF connections F connectors
Unless otherwise stated, these specifications are typical values which in practice may be higher or lower inside the
tolerance range usual for the branch.
Technical Data
2. Adjust the level control (Fig. 2):
Adjuster screw (c) full to right = 0 dB (delivery
condition), full to left = -20 dB
3. Close the housing lid:
Put the housing lid on the housing and press
all the way round. The sheet steel segments
will now be pressed against the inner wall of
the housing. Screw in the central screw.
Fig. 2