NJG1520PE1R1-R3 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJG1520PE1R1-R3

TDMA ANTENNA SWITCH GaAs MMIC

Japan Radio Corporation  

NJG1520PE1

nRECOMMENDED PCB DESIGN

EXT1

EXT2

TX

R3

R2

R1

C7

C8

C6 L2

C2

VSS

CTL3

CTL2

CTL1

VDD

GND

NJG

1520PE1

C9

C5

C4

C3

C1 C10

L1

ANT2

ANT1

RX

Board total Loss (Capacitor, Connector, and PCB)

Pass route 800MHz Band 1.5GHz Band

(dB)

(dB)

TX-ANT1

TX-EXT1

0.23

0.30

RX-ANT1

RX-ANT2

RX-EXT1

0.22

0.30

RX-EXT2

PCB: FR-4, t= 0.2mm

Strip width: 0.4mm

PARTS LIST

VALUE

800MHz Band 1.5GHz Band

COMMENT

R1-R3

100KΩ

C1, C2

1000pF

MURATA(GRM36)

C4, C5, C7, C8

56pF

MURATA(GRM36)

C3

16pF

7pF

MURATA(GRM36)

C6

22pF

9pF

MURATA(GRM36)

C9

10pF

MURATA(GRM36)

C10

5pF

MURATA(GRM36)

L1

15nH

6.8nH TAIYO-YUDEN(HK1005)

L2

22nH

8.2nH TAIYO-YUDEN(HK1005)

PRECAUTIONS

[1] The bypass capacitors should be connected to the VDD, VSS terminals as close as possible

respectively.

[2] For good RF performance, the ground terminals should be directly connected to the ground

patterns and through-holes as close as possible by using relativity wide pattern.

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