LTC5100 datasheet(8/52 Pages) LINER

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LTC5100

sn5100 5100fs

TYPICAL PERFOR A CE CHARACTERISTICS

VDD = VDD(HS) = 3.3V, TA = 25°C, Cml_en = 0, Lpc_en = 1, transmitter enabled, unless otherwise noted. Test circuit shown in Figure 5.

Optical Eye Diagram at 3.2Gbps

with 850nm VCSEL

100

µW/DIV

50ps/DIV

5100 G01

EMCORE MODE LC-TOSA VCSEL

215 PRBS, 7dB EXTINCTION RATIO, 300

µW AVG

PWR, 2.4GHz 4TH ORDER BESSEL-THOMPSON

LOWPASS FILTER

Optical Eye Diagram at 2.5Gbps

with 850nm VCSEL

125

µW/DIV

60ps/DIV

5100 G02

EMCORE MODE LC-TOSA VCSEL

215 PRBS, 10dB EXTINCTION RATIO, 300

µW AVG

PWR, 1.87GHz 4TH ORDER BESSEL-THOMPSON

LOWPASS FILTER

Effect of Peaking Control on the

Electrical Eye Diagram

3mA/DIV

50ps/DIV

5100 G03

3.2Gbps, 223 PRBS, Im_rng = 2, IMPP = 12mA,

PEAKING = 4, 8, 16, 30

Electrical Eye Diagram at 25

°C

3.2Gbps, 223 PRBS, IMPP = 3mA

0.5mA/DIV

49ps RISING

50ps/DIV

5100 G04

54ps FALLING

Im_rng = 0

PEAKING = 16

Electrical Eye Diagram at 25

°C

3.2Gbps, 223 PRBS, IMPP = 12mA

2mA/DIV

51ps RISING

50ps/DIV

5100 G05

59ps FALLING

Im_rng = 2

PEAKING = 16

Electrical Eye Diagram at 25

°C

3.2Gbps, 223 PRBS, IMPP = 24mA

4mA/DIV

50ps RISING

50ps/DIV

5100 G06

62ps FALLING

Im_rng = 3

PEAKING = 16

Electrical Eye Diagram at –40

°C,

3.2Gbps, 223 PRBS, IMPP = 12mA

2mA/DIV

47ps RISING

50ps/DIV

5100 G07

56ps FALLING

Im_rng = 2

PEAKING = 16

Electrical Eye Diagram at 85

°C,

3.2Gbps, 223 PRBS, IMPP = 12mA

2mA/DIV

57ps RISING

50ps/DIV

5100 G09

67ps FALLING

Im_rng = 2

PEAKING = 16

2mA/DIV

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