9. Technical specification
TYPE
Frequency range
MHz
47-108
174-230
470-862
470-862
2 3
3
5 0
3
e combinations of S1-S4 switches
uts
d
±3
dB
20 ±2
20 ±2
2
Gain regulation after channel paths summing
dB
--
Channel path selectivity
dB
--
--
? 22 ±20MHz
--
Noise coefficient
dB
9
4
9
17
Max input level
dBuV
90
80
80
80
Max output level
1)
dBuV 114
114
Selectivity for f=f
p
±16MHz dB
-- ?
14
--
Return loss
dB
10
8
8
Programmable filter band
/
--
1…6 x channels (8…48MHz)
--
Characteristics irregularity – filter width for 1
TV channel (8MHz)
dB --
Max.
3
--
Characteristics irregularity – filter width for 2..6
TV channel (8..48MHz)
dB --
Max.
6
--
Test Point
dB
-20 ±2
Impedance input / output
?
75 / 75
OTHERS
Preamplifier’s power supply
V DC / mA
--
0-12-24 / 50
--
Preamplifier’s closed circuit indicator
/
--
yes, LED diode – red color
--
re work range
K ( C)
-5….+50
230
Inputs
BI / FM
VHF
UHF1
UHF2
UHF3
UHF4
2 5
1
2 6
0
7 0
1
Possibl
for UHF1-UHF3 inp
/ / /
8
0 0
/
Gain
B
26 ±2
45 ±2
44 ±3
30
Gain regulation
20 ±2 (for each filter)
20 ±
20 ±2 (for signal sum)
--
Temperatu
Power supply
V AC / Hz
/ 50-60
Power consumption
VA
20
Summary of Contents for SMART handy3
Page 8: ...8 Block diagram...
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