TQM8M9074

0.05 – 4 GHz Digital Variable Gain Amplifier

Pin Configuration and Description

Top View

Amp1 In

Amp2 In

NC

NC

NC

NC

Amp1_Out

Vcc Amp1

Amp2_Out

Vcc Amp2

VVA In

VVA Out

Vctl

VVA

Vcc

VVA

NC

NC

NC

5

4

3

2

1

11

12

13

14

15

NC

NC

16

17

18

19

20

10

9

8

7

6

NC

NC

NC

Pin No.

Symbol

Description

1

Amp1_In

RF input (Amp1). Band-specific matching circuit required.

2, 4, 6, 7, 9, 10, 12,

14, 16, 17, 18, 19

NC (No Connect)

No electrical connection. Land pads should be provided for PCB

mounting integrity.

3

Amp1_Out/Vcc

A1

RF output / DC supply (Amp1).

5

VVA_In

RF input (VVA).

8

Vctrl_VVA

Analog input for voltage controlled amplifier.

11

VVA_Out

RF output (VVA).

13

Amp2_In

RF input (Amp2). Band-specific matching circuit required.

15

Amp2_Out/Vcc

A2

RF output / DC supply (Amp2). Band-specific matching circuit required.

20

Vcc_VVA

DC supply for voltage controlled amplifier.

Backside Paddle

RF/DC Ground

RF/DC ground. Provide recommended via pattern (see page 8) and

ensure good solder attach for best thermal and electrical performance.

Evaluation Board PCB Information

TriQuint PCB 1078786 Material and Stack-up

1 oz. Cu bottom layer

Nelco N-4000-13

Core

Nelco N-4000-13

1 oz. Cu top layer

1 oz. Cu inner layer

1 oz. Cu inner layer

0.062" ± 0.006"

Finished Board

Thickness

0.014"

0.014"

Datasheet Rev. D 08-04-14

- 7 of 9 -

Disclaimer: Subject to change without notice

© 2014 TriQuint

www.triquint.com