Satellite Headend Amplifiers with LNB Power Supply

5216IFD Dual Satellite Headend Amp/LNB Power Supply discontinued

5224IFD Dual Satellite Headend Amp/LNB Power Supply DISCONTINUED

8014IFD LNB powering Power Supply, 24V at 600mA    (included with 5216IFD and 5224IFD)

Models 5216IFD and 5224IFD are dual polarization headend LNB amplifiers with an LNB powering 117 VAC power supply. These units are designed to drive dual polarization IF distribution networks. They may also be used as dual high level line extenders in cases where 117 VAC power is available. Applications include Multiple Dwelling Units, TV showrooms and offices.

Both models offer cable slope compensation and provide very high output capability. A block diagram of the units is shown in Fig. 1.

Most distribution networks will be of either the home-run type involving a network of splitters at the headend; or the tapped-trunk type which use taps placed along the two trunk cables. Some systems will use a combination of these two distribution network types. Channel Master carries a wide range of satellite IF 2, 4 and 8-way splitters and taps. Channel Master also carries a range of muitiswitch taps. When used as a line extender with careful system design, it may be cascaded for use with very long cable runs such as in a shopping mall.

DC power is provided at the input connections to the unit; +18V at input A (LHCP) and +13V at input B (RHCP). This voltage is ideal for powering voltage switched LNBs. When DC power is not required at the input, Model 7264 DC block should be added. The outputs are DC blocked.

PERFORMANCE SPECIFICATIONS, each amplifier (typical)

MODEL	5216IFD	5224IFD
PASSBAND	950-1750MHZ	950-1750MHZ
GAIN 950MHZ	12 dB	20 dB
1200 MHZ	14 dB	22 dB
1450 MHZ	16 dB	24 dB
1750 MHZ	16 dB	24 dB
RETURN LOSS (INPUT AND OUTPUT)	13 dB	13 dB
ISOLATION AMP A TO AMP B	55 dB	55 dB
NOISE FIGURE	6 dB	6 dB

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