Johansson 7774 LTE 26 dB amplifier center
KSh18,876.00
4 inputs.
Separate VHF-UHF amplification,
Inter-stage attenuator and 30 dB dynamic range.
High gain (up to 26 dB), high output level (.>116 dB?gV).
Slope adjustment on VHF-UHF and UHF inputs.
High input level and low noise figure.
Remote power supply 5-12 Volts.
Test output ?V30 dB.
FM-BIII/DAB-UHF-Wideband amplifier (VHF-UHF) with independent gain adjustment and slope adjustment.
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RED compliant
Highlights
Separate amplification minimizes intermodulation between bands and provides high output levels
Designed using Push-Pull technology, which guarantees levels in the 123 dB?V range for terrestrial signals.
Includes a high-performance low-power consumption switch-mode power supply
High-screening Zamak chassis The design facilitates appropriate cooling
Features
Switch for pre-amplifier or BOSS system powering
Switched configurable gain (high/low), and high output level
Intuitive front cover, including adjustments and block diagram
Output signal LED indicator
Specifications
Bands UHF BV BIV BIII FM
Frequency margin MHz 470 … 694 606 … 694
(Ch38…48) 470 … 598
(Ch21…36) 174 … 370 88 … 108
Gain 0 dB 42 41(1) 41(2) 42 25
10 32 31(1) 31(2) 32 25
Gain margin (Manual)
0 … 20 (Manual)
0 … 20 (Manual)
0 … 20 (Manual)
0 … 20 (Manual)
0 … 20
Max. output level IMD3 (2 tones,-35 dB) dB?V
(dBmV) 125 (65)
DIN 45004B 123 (63)
IMD3 (2 tones,-60 dB) 120 (60)
IMD2 (2 tones,-60 dB) – – – 122 (62) –
Noise figure dB 10 10 10 5 6
Test -20
Powering inputs V= 12
Max. curent inputs mA 50
Mains voltage /frequency V~ / Hz 120 … 230 / 50-60
Total AC consumption OFF W / mA 5,8 / 120
ON W / mA 9,6 / 180
Protection level IP 20
Operating temperature range ?C (?F) -5 … +45 (23 … 113)(1) G(Ch38)=37/27dB
(2) G(Ch36)=38/28dB
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