CMX654 데이터 시트보기 (PDF) - CML Microcircuits

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CMX654

V23 Transmit Modulator

CML Microcircuits 

V.23 Transmit Modulator

Delay to reliable data at TXOP after ZP to Tx mode change

Data Retiming Disabled (reference Figure 5)

Tx Data Delay (TXD to TXOP)

Data Retiming Enabled (reference Figure 6)

Td = Internal CMX654 delay

Tchi = CLK High time

Tr = RDY low to CLK going low

Ts = Data Set-up time

Th = Data Hold time

CMX654

-

-

20.0

ms

-

0.1

-

ms

-

-

1.0

µs

1.0

-

-

µs

-

-

800

µs

1.0

-

-

µs

1.0

-

-

µs

Note: M0 and M1 are preset and stable. FLO and FHI are the two FSK signalling frequencies.

Figure 5 TXD to TXOP Delay Time

Figure 6 FSK Operation with Tx Data Retiming

© 1998 Consumer Microcircuits Limited

11

D/654/3

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