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A7544
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General Description
A7544 is a low-cost 4 x 4 switch matrix with tone detector in a 32-lead QFN package for use in RF multiplexing applications from 100 to 2150 MHz. A positive voltage controlled 4 bit decoder and tone/polarity detector are both integrated on the switch with DiSEqC control signals rejection. A7544 is ok to be used in 50/75 ohm systems.
Switch outputs (OP1 ~ OP4) can be independently selected from any of the four inputs (HH, HL, VH, VL) or simultaneously select the same inputs. Note that the switch is bi-directional and input/output functionality may be interchanged.
 LNB
 CATV
 Cellular Systems
 DBS
Datasheet
Application Note
Evaluation kit (EK)
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