TEST CIRCUIT

C1, C2 : .4 - 2.5pF Johanson Capacitor

C3

: 15,000pF EMI Filter

C4

: 1000pF Chip Capacitor

L1, L2 : 5 Turns Choke Diameter Wire .025” I.D. .125”

Substrate: Er

All Dimensions in Inches.

TYPICAL INPUT

IMPEDANCE

TYPICAL COLLECTOR

LOAD IMPEDANCE

IMPEDANCE DATA

FREQ.

1550 MHz

6.6 + j 15.0

5.6

− j2.5

1600 MHz

8.3 + j 14.5

4.7

− j1.9

1650 MHz

12.0 + j 12.0

4.1

− j1.4

SD1898

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