SAA3004 데이터 시트보기 (PDF) - Philips Electronics

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SAA3004

Remote control transmitter

Philips Electronics 

Philips Semiconductors

Remote control transmitter

Table 1 Pulse train/timing

mode

flashed

modulated

TO

tp

ms

µs

2,53

8,8

2,53

−

fOSC

tP

tM

tML

tMH

TO

tW

455 kHz

4 × tOSC

12 × tOSC

8 × tOSC

4 × tOSC

1152 × tOSC

55 296 × tOSC

Table 2 Pulse train separation (tb)

code

logic “0”

logic “1”

reference time

toggle bit time

Product specification

SAA3004

tM

tML

tMH

tW

µs

µs

µs

ms

−

−

−

121

26,4

17,6

8,8

121

tOSC = 2,2 µs

flashed pulse width

modulation period

modulation period LOW

modulation period HIGH

basic unit of pulse distance

word distance

tb

2 × To

3 × To

3 × To

2 × To or 3 × To

August 1982

7

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