CHA3694-QDG

31-40GHz Variable Gain Amplifier

Ref. : DSCHA3694QDG9322 - 18 Nov 09

2/16

Specifications subject to change without notice

Route Départementale 128, BP46 - 91401 ORSAY Cedex - FRANCE

Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09

Electrical Characteristics

Tamb = +25°C, Vd = +3.5V

Symbol

Parameter

Min

Typ

Max

Unit

Fop

Operating frequency range

31

40

GHz

G

13

16

15

18

dB

dB

NF

Noise figure @ max. gain (31-37GHz)

Noise figure @ max. gain (37-40GHz)

11

9

13

11

dB

dB

RLin

Input Return loss (any attenuation) (31-37GHz)

Input Return loss (any attenuation) (37-40GHz)

-4

-7

-3

-6

dB

dB

RLout

Output Return loss (any attenuation) (31-37GHz)

Output Return loss (any attenuation) (37-40GHz)

-7

-5

-6

-4

dB

dB

OIP3

Output 3

23

25

dBm

P1dB

Output power at 1dB gain compression

@ nominal gain

15

17

dBm

Gc

Gain control range (31-34GHz)

Gain control range (37-40GHz)

23

17

25

19

dB

dB

Vd

Drain bias voltage

3.5

V

Id

Drain bias current *

120

160

200

mA

Id P1dB

Drain current at 1dB gain compression

180

mA

Vg

Gate bias voltage

-1

V

Vctrl

Variable gain control voltage

-1.5

+0.6

V

* Id not affected by Vctrl.

These values are representative of onboard measurements as defined on the drawing in

paragraph "Evaluation mother board".