Datasheet

86
Amplifi ers
Compact amplifi ers
VCA 20
VCB 20
VCA 28
VCB 28
230053
230054
230055
230056

Multirange amplifi er for house and community
antenna networks

Remote feeding +15 V possible via the output

VCA 28 and VCB 28 with variable attenuator

Connections: IEC sockets 2.4/9.5

For indoor mounting

Mains connection: 230 V ± 10 %, 50/60 Hz

Protection class II

Ambient temperature range: -20 to +55 °C
¹
)
For 2
nd
order interference products caused by VHF range signals
²
)
Separate amplifi er units for AM/B I and B III/UHF (split-band)
VCB 28
VCA 20
VCB 20
VCA 28
Type
Order no.
Frequency range
(MHz)
Max.
output
level
(dBµV)
Noise
fi gure
(dB)
Power
con-
sump-
tion
(W)
Current
con-
sump-
tion
(mA)
Current
reserve
(V/mA)
Dim.
(W x
D x
H)
(mm)
Packing
unit/
weight
(pc./kg)
0.15-10 87.5-108 47-68 174-230 470-862
AM FM B I B III UHF
66 dB
XMod
60 dB
IMod2 ¹
)
VCA 20
230053
One input
Gain
dB
-1.5 20 20 20 20 108 100 7 4 120 -
145 x
76 x
48
1 (10)/
0.6
VCA 28 ²
)
230055
One input
Gain
dB
- 1.5 28 28 28 28 108 105 7 9 180 15/60
194 x
140 x
63
1 (10)/
1.4
dB - 0-20 0-20 0-20 0-20
VCB 20
230054
Four
inputs
Gain
dB
-1.5 20 20 20 20 108 100 7 4 120 -
145 x
76 x
48
1 (10)/
0.6
VCB 28 ²
)
230056
Four
inputs
Gain
dB
-1.5 28 28 28 28 108 105 7 9 180 15/60
194 x
140 x
63
1 (10)/
1.4
dB - 0-20 0-20 0-20 0-20