CGY94 Просмотр технического описания (PDF) - Siemens AG

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производитель

CGY94

GaAs MMIC

Siemens AG 

GaAs MMIC

CGY 94

_______________________________________________________________________________________________________

Functional block diagram:

VTR (2)

VG (1)

Control

Circuit

VD1 (7)

Pin (8)

VD2 (12)

Pout (12)

Control circuit:

The drain current ID of the CGY 94 is

adjusted by the internal control circuit.

Therefore a negative voltage (-4V...-6V)

has to be supplied at VG. For transmit

operation VTR must be set to 0V. During

receive operation VTR should be dis-

connected (shut off mode).

GND1 (6, 9)

GND2

(3, 4, 5, 10)

GND3 (11)

Pin #

1

2

3,4,5,10

6,9

7

8

11

12

VG

VTR

GND 2

GND 1

VD1

RFin

GND 3

VD2, RFout

Configuration

Negative voltage at control circuit (-4V...-6V)

Control voltage for transmit mode (0V) or receive mode (open)

RF and DC ground of the 2nd stage

RF and DC ground of the 1st stage

Positive drain voltage of the 1st stage

RF input power

Ground for internal output matching

Positive drain voltage of the 2nd stage, RF output power

DC characteristics

Characteristics

Symbol Conditions

Drain current stage 1 IDSS1 VD=3V, VG=0V, VTR n.c.

stage 2 IDSS2

Drain current with

ID

active current control

VD=3V, VG=-4V, VTR=0V

Transconductance

gfs1

VD=3V, ID=350mA

(stage 1 and 2)

gfs2

VD=3V, ID=700mA

Pinch off voltage

Vp

VD=3V, ID<500µA

(all stages)

min

0.6

2.7

-

0.25

1.1

-3.8

typ

0.9

4.1

1.1

0.32

1.3

-2.8

max

1.3

5.9

-

-

-

-1.8

Unit

A

A

A

S

S

V

Siemens Aktiengesellschaft

pg. 2/9

17.10.95

HL EH PD 21

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