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BL 54573B TV Band Switches Integrated Circuit
Description BL54573B is a high frequency tuner’s ban...
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BL 54573B TV Band Switches Integrated Circuit
Description BL54573B is a high frequency tuner’s band decoder nd driver. It decodes the hand switches signals from remoter and drives the tuner, so completing hand switch function.
Pin Assignment
Features ¡ñ ¡ñ ¡ñ ¡ñ Direct used between remoter and tuner .The external circuit is simple. Uses 12V of inner
voltage Open collector output Single 8 pins plastic package Applications Band switches for remote system Application Circuit BL54573 used in Mitsubishi color TV remote system
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DataShee
BL54573 1 2 3 4 5 6 7 8 +12V BV GND TO HF Tuner BS BU 120K 120K BL50436 BAND1 BAND2
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