82731-3 Ver la hoja de datos (PDF) - STMicroelectronics

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82731-3

RF & MICROWAVE TRANSISTORS S-BAND RADAR APPLICATIONS

STMicroelectronics 

IMPEDANCE DATA

TYPICAL INPUT

IMPEDANCES

ZIN

TYPICAL COLLECTOR

LOAD IMPEDANCES

ZCL

FREQ.

L = 2.7 GHz

• = 2.9 GHz

M = 3.1 GHz

• = 3.3 GHz

H = 3.5 GHz

ZIN(Ω)

11.5 + j 14.0

11.5 + j 12.5

10.0 + j 15.5

11.0 + j 19.0

11.0 + j 20.5

ZCL(Ω)

22.5 + j 5.5

19.5 + j 5.0

14.5 + j 2.0

14.5 − j 2.0

17.5 − j 3.5

TEST CIRCUIT

AM82731-003

PIN = 0.8W

VCC = 30 V

Normalized at 50 ohms

All dimensions are in inches.

Substrate material: .025 thick Al2O3 (Er = 9.6)

C1 : 100 pF Microwave Chip Capacitor

C2 : 100 pF Microwave Chip Capacitor

(Note: Capacitor is mounted on its thin side)

C3 : 1500 pF, RF Feedthru

C4 : 100 µF, Electrolytic Capacitor

L1 : No. 32 Wire, 0.500 Inch Long

L2 : Printed RF Choke

L3 : Printed RF Choke

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