TGA4539-SM

Ka-Band 1 Watt Power Amplifier

Data Sheet: Rev I 03-03-15

- 8 of 14 -

Disclaimer: Subject to change without notice e

© 2014 TriQuint Semiconductor, Inc.

Pin Description

Pin

Symbol

Description

1, 5, 6, 10, 11, 15, 16, 20

N/C

Internally connected to 21; must be grounded on PCB.

2, 4, 12, 14

N/C

No internal connection; open on PCB for best performance.

3

RF IN

Input, matched to 50 ohms.

7, 19

Vg

Gate voltage. See Note 1

13

RF OUT

Output, matched to 50 ohms.

8,18

Vd12_Bot

Vd12_Top

9,17

Vd3_Bot

Vd3_Top

21

GND

Backside Paddle. Multiple vias should be employed to minimize inductance

and thermal resistance; see Mounting Configuration on page 12 for suggested

footprint.

Notes:

1.

Bias network is required; can be biased from either side (pin 7 or pin 19); see Application Circuit on page 7 as an

example.

2.

Bias network is required; must be biased from both side (pins 8, 9, 17, 18); see Application Circuit on page 7 as an

example.

5

4

3

2

1

19

20

17 16

18

11

12

13

14

15

7

6

10

8

9

21