Characteristic

Symbol

Min

Typ

Max

Unit

DYNAMIC CHARACTERISTICS

Output Capacitance

—

3.3

5.0

pF

µs, Duty Cycle = 1.0%)

Common–Base Amplifier Power Gain

10

11

—

dB

Collector Efficiency

η

40

45

—

dB

Load Mismatch

VSWR = 10:1 All Phase Angles)

ψ

No Degradation in Power Output

Figure 1. 1090 MHz Test Circuit

C1 — 0.1

µF

C2, C4 — 220 pF Chip Capacitor

C3 — 20

µF, 50 V Electrolytic

L1, L2 — 3 Turns #18 AWG, 1/8

″ ID

Z1–Z6 Distributed Microstrip Elements, See Photomaster

Board Material — 0.031

″ Thick Glass Teflon

RF

INPUT

RF

OUTPUT

C4

+

L1

D.U.T.

Z1

-

L2

Z2

Z3

Z4

Z5

Z6

C1

C2

C3

+

-

2

REV 8