SD57045(2002) Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

Fabricante

SD57045
(Rev.:2002)

RF POWER TRANSISTORS The LdmoST FAMILY

STMicroelectronics 

SD57045

945 MHz TEST CIRCUIT SCHEMATIC

VGG+

+

RF

IN

+ VDD

+

RF

OUT

NO TES:

1. DIMENSIONS AT COMPONENT SYMBOLS ARE REFERENCE FOR COMPONENT PLACEMENT.

2. GAP BETWEEN GROUND & TRANSMISSION LINE = 0.056 [1.42] +0.002 [0.05] -0.000 [0.00] TYP.

3. DIMENSIONS OF INPUT AND OUTPUT COMPONENT FROM EDGE OF TRANSMISSION LINES.

Ref. 7143566A

945 MHz TEST CIRCUIT COMPONENT PART LIST

COMPONENT

DESCRIPTION

C19

220 µF/ 63V ALUMINUM ELECTROLYTIC RADIAL LEAD CAPACITOR

C18, C14

0.1 µF/500 V SURFACE MOUNT CERAMIC CHIP CAPACITOR

C17

100 pF ATC 100B SURFACE MOUNT CERAMIC CHIP CAPACITOR

C16, C12, C11, C1

47 pF ATC 100B SURFACE MOUNT CERAMIC CHIP CAPACITOR

C15

10 µF/50 V ALUMINUM ELECTROLYTIC RADIAL LEAD CAPACITOR

C13

1000 pF ATC 700B SURFACE MOUNT CERAMIC CHIP CAPACITOR

C10

3.0 pF ATC 100B SURFACE MOUNT CERAMIC CHIP CAPACITOR

C9, C2

0.8 - 8.0 pF GIGA TRIM VARIABLE CAPACITOR

C8

6.2 pF ATC 100B SURFACE MOUNT CERAMIC CHIP CAPACITOR

C7, C6, C5, C4

10 pF ATC 100B SURFACE MOUNT CERAMIC CHIP CAPACITOR

C3

3 pF ATC 100B SURFACE MOUNT CERAMIC CHIP CAPACITOR

R3

120 OHM, 2W SURFACE MOUNT CHIP RESISTOR

R2

4.7M OHM, 1W SURFACE MOUNT CHIP RESISTOR

R1

18K OHM, 1W SURFACE MOUNT CHIP RESISTOR

FB2

SHIELD BEAD SURFACE MOUNT EMI

FB1

SHIELD BEAD SURFACE MOUNT EMI

L2

INDUCTOR, 5TURNS AIR WOUND #22AWG, ID=0.059[1.49], NYLON COATED

MAGNET WIRE

L1

INDUCTOR, 5TURNS AIR WOUND #22AWG, ID=0.059[1.49], NYLON COATED

MAGNET WIRE

PCB

WOVEN FIBERGLASS REINFORCED PTFE 0.080” THK, εr=2.55, 2 Oz EDCu

BOTH SIDE

8/11

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