1897 데이터 시트보기 (PDF) - STMicroelectronics

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1897

1.65 GHz SATCOM APPLICATIONS RF & MICROWAVE TRANSISTORS

STMicroelectronics 

IMPEDANCE DATA

TYPICAL INPUT

IMPEDANCE

ZIN

TYPICAL COLLECTOR

LOAD IMPEDANCE

ZCL

SD1897

FREQ.

1600 MHz

1650 MHz

ZIN (Ω)

22.0 + j 23.0

28.0 + j 18.0

ZCL (Ω)

3.1 + j 4.0

3.0 + j 2.0

POUT = 10 W

VCE = 28 V

PIN = 0.8 W

TEST CIRCUIT

C1, C2 : 0.4 - 2.5pF Johanson Variable Capacitor

C3 : 100pF Chip Capacitor ATC

C4 : Suppression Filters CDI 9900381-6004

L1, L2 : 4 Turns, Choke #28 AWG .080” I.D.

Substrate: Er = 10.2, Height .050”, 1 Oz. Cu.

All Dimensions in mm unless otherwise specified

3/4

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