DS2186SN Просмотр технического описания (PDF) - Dallas Semiconductor -> Maxim Integrated

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DS2186SN

Transmit Line Interface

Dallas Semiconductor -> Maxim Integrated 

DS2186

OUTPUT PULSE TEMPLATE AT 2.048 MHz Figure 4

1.2

1.0

NORMALIZED

AMPLITUDE

0.5

0.0

–0.2

250

500

NANOSECONDS

NOTES:

1. Unlike the DSX–1 template, which is specified at the cross–connect point, the CEPT (2.048 MHz) template is spe-

cified at the transmit line output.

2. The template shown above is normalized. The actual pulse height is cable dependent and is specified in

Table 3.

3. The corner points shown below are joined by straight lines to form the template.

MAXIMUM CURVE

(0, 0.1)

(109.5, 0.5)

(109.5, 1.2)

(244, 1.1)

(378.5, 1.2)

(378.5, 0.5)

(488, 0.1)

MINIMUM CURVE

(0, –0.1)

(134.5, –0.2)

(134.5, 0.5)

(147, 0.8)

(244, 0.9)

(341, 0.8)

(353.5, 0.5)

(353.5, –0.2)

(488, –0.1)

022798 6/11

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