SD2931-10W Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

SD2931-10W

RF power transistor: HF/VHF/UHF N-channel power MOSFETs

STMicroelectronics 

SD2931-10

7

Test circuit

Figure 16. 175 MHz schematic (production test circuit)

Test circuit

Note: All dimensions in inches

Component

T1

T2

FB1

FB2, FB3

FB4

L1

PCB

R1, R3

R2

R4

R5

C1, C11

C2

C3, C8, C9

C4

REF. 1021579C

Table 8. Component part list

Description

4:1 transformer, 25 ohm flexible coax .090 OD 6” long

1:4 transformer, 25 ohm semi-rigid coax .141 OD 6” long

Toroid X 2, 0.5” OD .312” ID 850μ 2 turns

VK200

Shield bead, 1” OD 0.5” ID 850μ 3 turns

1/4 wave choke, 50 ohm semi-rigid coax .141 OD 12” Long

0.62” woven fiberglass, 1 oz. copper, 2 sides, εr = 2.55

470 ohm 1 W chip resistor

360 ohm 1/2 W resistor

20 Kohm 10 turn potentiometer

560 ohm 1 W resistor

470 pF ATC chip cap

43 pF ATC chip cap

Arco 404, 12-65 pF

Arco 423, 16-100 pF

DocID7076 Rev 10

11/19

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