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Typical operating characteristics (continued) – Rainbow Electronics MAX3645 User Manual

Page 5

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MAX3645

+2.97V to +5.5V, 125Mbps to 200Mbps Limiting

Amplifier with Loss-of-Signal Detector

_______________________________________________________________________________________

5

Typical Operating Characteristics (continued)

(V

CC

= 3.3V, PECL outputs terminated with 50

Ω to V

CC

- 2V, R

TH

= 100

Ω, C

AZ

= 0.1µF, C

SD

= 1nF, T

A

= +25

°C, unless otherwise noted.)

LOSS-OF-SIGNAL WITH SQUELCH

(155Mbps, 2

23

- 1PRBS)

MAX3654 toc10

10

µs/div

LOS

V

OUT

V

IN

PULSE-WIDTH DISTORTION

vs. DIFFERENTIAL INPUT VOLTAGE

MAX3645 toc11

DIFFERENTIAL INPUT VOLTAGE (mV

P-P

)

PULSE-WIDTH DISTORTION (ps)

1000

100

10

1

10

20

30

40

50

60

70

80

90

100

0

0.1

10,000

155Mbps 0011 PATTERN

DATA OUTPUT TRANSITION TIME

vs. DIFFERENTIAL INPUT VOLTAGE

MAX3645 toc12

DIFFERENTIAL INPUT VOLTAGE (mV

P-P

)

TRANSITION TIME (ns)

1000

100

10

1

0.5

1.0

1.5

2.0

2.5

3.0

0

0.1

10,000