TGA4942-SL

43Gb/s DPSK Modulator Driver

Preliminary Product Summary: Rev - 12/20/12

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Disclaimer: Subject to change without notice

© 2012 TriQuint Semiconductor, Inc.

Applications



40 Gb/s Optical Market: DPSK

16-pin 16x8 mm SMT

Product Features

Typical Performance

– Eye Diagram



43 Gb/s Performance



Integrated high frequency bias tee



Single Ended Input and Output



Adjustable Output Amplitude, 3 Vpp

– 8 Vpp



Low Additive RMS Jitter, 400 fsec



High Output Drive, 8Vpp with 0.4 Vpp Input



Gain, 27 dB at 20 GHz



Low DC Power Dissipation, 1.4 W for Vout = 7 Vpp at

Vd=6 V



Rise and Fall Times <10 psec



Hot Pluggable



Package Size: 16 x 8 x 3.7 mm

Bias Conditions: Vd = 6 V, Vc1 = Vc2 = 0.5 V, Id1 =

41 mA, Id2 = 67 mA, Id3 = 148 mA.

General Description

Typical Performance

– S-Parameters

The TriQuint TGA4942-SL is a single channel optical

modulator driver amplifier designed for the 43 Gb/s optical

market. The TGA4942-SL is a compact SMT using three

high performance wideband amplifiers and an integrated

broadband bias tee assembled in a 16 x 8 x 3.7 mm

package, requiring a minimum of off-chip components.

A single TGA4942-SL placed between the MUX and

Optical Modulator provides OEMs with a modulator driver

surface mount solution.

The TGA4942-SL provides Metro and Long Haul

designers with system critical features such as: low power

dissipation, high signal to noise ratio (SNR), high voltage

drive capability (3 Vpp amplitude adjustable up to 8 Vpp),

fast rise and fall times, low output jitter, and low input drive

sensitivity (0.4 Vpp

– 1 Vpp at Vout = 8Vpp).

The TGA4942-SL is RoHS compliant. Evaluation boards

and bias boards are available upon request.

Ordering Information

Part No.

ECCN

Description

TGA4942-SL

5A991.b

43 Gb/s DPSK

Modulator Driver

Vout = 7 Vpp

-40

-30

-20

-10

0

10

20

30

40

0

10

20

30

40

50

Frequency (GHz)

S-parameters vs Frequency

Vd = 6 V, Idq1 = 37 mA, Idq2 = 34 mA, Idq3 = 100 mA,

Vc1 = 0.5 V, Vc2 = 0.5 V, Vc3 = 0.25 V

Gain

IRL

ORL