GaAs MMIC

CGY 40

________________________________________________________________________________________________________

Siemens Aktiengesellschaft

pg. 3/5

11.01.1996

HL EH PD 21

Application Circuit ( f = 800 to 1800 MHz )

CGY40

50 Ohm Microstripline

Input

50Ohm

Output

50Ohm

3

2

V

D

1

V

G

1

L

C

C

3

L

2

2

C

C

4

4

1

D

L

3

Legend of components

C

C

Chip capacitors 100 pF

Chip capacitors 1 nF

L

1

For optimized input matching

- discrete inductor: approx. 3nH, or

- printed microstripline inductor: Z approx. 100

Ω,

l

e

approx. 5 mm

L

- discrete inductor: approx. 40 nH, as e.g. 5 turns 0.25 mm copper

wire on nylon rod with M3-thread, or

- printed microstripline inductor

D

Z diode 5.6 V ( type BZW 22 C5 V 6 )