TAT9988_15 datasheet(1/11 Pages) TRIQUINT

Part #	TAT9988

Description	CATV GaN Power Doubler MMIC

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Manufacturer	TRIQUINT [TriQuint Semiconductor]

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TAT9988

CATV GaN Power Doubler MMIC

Preliminary Datasheet: Rev G 10-07-14

- 1 of 11 -

Disclaimer: Subject to change without notice

www.triquint.com

40 Pin 5x7 mm QFN Package

Applications

 HFC Nodes

 CATV Line Amplifiers

 Head End Equipment

Functional Block Diagram

Product Features

 Excellent High Output Linearity

 High Gain 24dB @ 1000MHz

 50MHz – 1000MHz Bandwidth

 Ultra-Low CSO/CTB/XMOD

 Low Noise

 Excellent Input/Output Match

 Variable Bias Control

 Compact Size

 High Reliability

 24V, 445mA

General Description

The TAT9988 is an ultra-linear, packaged GaAs/GaN

amplifier intended for output stage amplification in

CATV infrastructure applications.

The TAT9988 features a push-pull cascode design

which

provides

flat

gain

along

with

ultra-low

distortion, making it ideal for use in CATV distribution

systems requiring high output power capability.

The TAT9988 draws 445mA from a 24V supply and

exceeds

the

output

linearity

performance

of

traditional GaAs-based amplifiers.

The TAT9988 allows users to adjust the bias current

and the bias voltage externally in order to optimize

output performance.

The TAT9988 is packaged in an industry standard 40

pin 5x7 mm2 QFN package.

Standard SOT-115 Hybrid Modules are used as

orderable

evaluation

board

assemblies

for

the

TAT9988. Please refer to the ordering information for

more details.

Pin Configuration

Pin No.

Label

3

Non-Inverting Amplifier Input

4

Linearizer Current-Adjust

6,7

Common Source Node

9

Amplifier Current-Adjust

10

Inverting Amplifier Input

20

Feedback to Inverting Input

24

Non-Inverting Amplifier Output

26

Output Device Gate Bias 1

27

Output Device Gate Bias 2

29

Inverting Amplifier Output

33

Feedback to Non-Inverting

Input

1,2,5,8,11-12, 21-

23,25, 28, 30-32,

No connect

13-19, 34-40

Ground

Ordering Information

Part No.

Description

TAT9988

CATV GaN Power Doubler MMIC

TAT8888

50-1000 MHz Hybrid Evaluation Board

TAT8888-1200

50-1200 MHz Hybrid Evaluation Board

Standard T/R size =1000 pieces on a 7” reel.

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