SD1731-14 データシートの表示（PDF） - STMicroelectronics

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SD1731-14

RF & MICROWAVE TRANSISTORS HF SSB APPLICATIONS

STMicroelectronics 

TEST CIRCUIT

SD1731-14 (ST448)

C1 :

C2 :

C3 :

Arco 426 + 220pF + 330pF Chips

2 x 10nF Chips

Arco 4615 + 2.2nF + 2 x 1nF LCC + 4.7nF +

560pf Chps

L4 : 10 Turns of 1.2mm Enameled Wire, Diameter

8.1mm, Length 20mm

L5 : 7 Turns of 1.2mm Enameled Wire on Ferrite Core

Phillips 4C6 97180

C4 :

Arco 4213 + 330pF Chip

C5 :

10nF Chip

T1 : 6:3.5 Impedance Transformer on toriod Phillips

C6 :

3 x 10nF Chips

4C6 97180

C7, C8, C9,

C10, C11

:1nF + 10nF + 100nF + 4.7µF, 63V + 100µF, 63V

T2 : Twisted Pair 4:1 Transformer, 4 Turns Made with

1.0mm Enameled on toriod Phillips 4C6 97180

T3 : Feedback Transformer

L1 :

L2, L3

3 Turns of 1.2mm Unenameled Wire Diameter,

7.1mm, Length 13mm

Primary: 2 Turns of 1mm Enameled Wire

Secondary: 8 Turns of 1mm Enameled Wire

:8 Turns of 0.55mm Enameled Wire on Ferrite Core T4 : Twisted Pair 4:1 Transformer, 4 Turns of bifilar Twisted

Phillips 4C6 97170 (9 x 6 x 3)

1.2mm Wires on Ferrite Core Phillips 4C6 97200

3/5

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