MAST BAND AMPLIFIER
AMB 400 SERIES
DESCRIPTION
Broad band amplifier, suitable for individual systems or small
community installations.
The circuit is protected by means of a housing made of ABS, which
is insensible to ultraviolet radiation and to bad weather conditions.
Includes a system of protection against atmospheric and static
discharges.
Semiconductors of latest generation are used, as well as automatic
assembly under SMD technology.
AMB 441 model provides for DC pass to UHF antenna
preamplifier.
Supply voltage
+24 V ± 10%
55 mA
Current drawn
Operating temperature range
– 20 ÷ 60º C
TECHNICAL SPECIFICATIONS
MODEL
Reference
AMB 420
AMB 430
AMB 441
37420
2
37430
3
37441
Number of inputs
Frequency range
Min. input level for S/N = 30 dB
Output level DIN 45004B (-60 dB)
Input/output impedance
Gain
4
BI
BIII
38
UHF
36
BI, FM
40
BIII
38
UHF BI, FM BIII UHF1 UHF2
dBmV
42
36
40
38
39
39
dBmV
W
106
75
dB
15
—
10
20
6
30
20
4
16
20
—
6
30
20
4
20
20
8
20
20
6
27
20
7
27
20
7
Gain regulation
dB
20
Noise figure
dB
8
27 MHz rejection
DC pass
Sí
—
—
—
—
Sí
—
Packing dimensions
Weight
mm
Kg
155 x 110 x 47
0,150