FI amplifier with self-feeding and mixing with UHF signal

The 35911 amplifier is a satellite amplifier with programmable power for Universal LNB and diplexed mixing of the VHF and UHF channels.

What technical characteristics does the 35911 amplifier have?

• It incorporates a satellite-terrestrial diplexer with excellent characteristics to guarantee reception of UHF services free of interference from the satellite band.
• High efficiency switched power supply.
• Amplification with pre-equalization in the satellite band to compensate for losses in the distribution network.
• High output power 120 dBμV.
• Selection of the polarity of the LNB by means of 13 / 17V supply and sending of 0/22 KHz tone.

What technical specifications does the 35911 amplifier have?

• Input / output connectors: F
• Number of inputs: 1 SAT input FI + 1 RF input
• LNB power: 0, 13, 17 V // 0, 22 KHz (250 mA)
• Frequency range SAT MHz: 950 ÷ 2300
• Rejection in SAT dB input: 40 @ 5 ÷ 862 MHz
• RF frequency range MHz: 5 ÷ 862
• RF step losses dB: 1.5
• Output band MHz: 5 ÷ 2300
• Input level FI dBμV: 68 - 88
• 35 @ 950 MHz FI dB gain: 47 @ 2150 MHz
• Regulation of gain dB: 20
• DB noise figure: 8