TriQuint Semiconductor Texas : Phone (972)994-8465 Fax (972)994 8504 Web: www.triquint.com

Product Datasheet

February 14, 2008

8

TGA1135B built-in power detector

On-chip diode functions as envelope detector

External coupler and DC bias required

External coupler

(-20dB)

EG1135B

50Ω

Ω

Ω

Ω

C=2pF

Video out

(V

10KΩ

Ω

Ω

Ω

External

DC bias

RF

OUT

RF

OUT

V

bias

100pF

100pF

TGA1135B with external test coupler

(amplifier bias connections not shown)

V

det

RF

IN

RF

OUT

EG1135B measured detector voltage offset vs output power with

20dB coupler: Vb=0.8V, f = 20GHz, Coupler loss is uncalibrated,

10KΩ

Ω

Ω

Ω

load

0.01

0.1

1

10

8

10

12

14

16

18

20

22

24

26

28

30

32

Pout (dBm)

TGA1135B-SCC