D1459 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

D1459

RF & MICROWAVE TRANSISTORS TV/LINEAR APPLICATIONS

STMicroelectronics 

1 2 3 4 5

SD1459

IMPEDANCE DATA

TYPICAL INPUT

IMPEDANCE

ZIN

TYPICAL COLLECTOR

LOAD IMPEDANCE

ZCL

FREQ.

170 MHz

200 MHz

230 MHz

ZIN (Ω)

0.6 + j 0.7

0.55 + j 0.8

0.5 + j 0.9

ZCL (Ω)

5.9 + j 3.5

5.0 + j 3.0

4.2 + j 2.8

TEST CIRCUIT FOR 225 MHz

ZCL

ZIN

C1, C10 : 470 pF ATC 100 B Chip Capacitor

C2

: 4 - 40pF Arco 403 Trimmer Capacitor

C3

: 4 - 60pF Arco 404 Trimmer Capacitor

C4, C5 : 82pF ATC 100B Chip Capacitor

C6

: 24 - 200pF Arco 425 Trimmer Capacitor

C7

: 10 - 80pF Arco 405 Trimmer Capacitor

C8, C11 : 1µF LCC Chip Capacitor

C9

: 100µF 63V Electrolytic

C12

: 10mF LCC CPM13B

4/5

L1 : 1 1/2 Turns, 0.7mm Enameled Wire 4.5mm I.D.

L2

: 21mm 50Ω Line

L3 : Length of the Base Lead

L4 : Enameled Wire 1.6mm Diameter

L5 : Enameled Wire 1.6mm Diameter

L6 : 9 Turns 0.7mm Enameled Wire 4.5mm 1.D.

Material: Epoxy 63 Mils Er = 2.55

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