NJG1506R-C1 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJG1506R-C1

SPDT SWITCH GaAs MMIC

Japan Radio Corporation  

nTEST CIRCUIT

NJG1506R

nRECOMMENDED PCB DESIGN

(TOP VIEW)

PC

C1

u

P1

C2

NJG1506R

1

C3

P2

C4

C5

VCTR1

VCTR2

PCB SIZE=19.5x14.0mm

PCB: FR-4, t=0.2mm

CAPACITOR: size 1005

STRIPLINE WIDTH=0.5mm

C1~C3: 56pF

C4, C5: 10pF

u: Please short between Pin4 and

ground plane directly as close as

possible.

Precautions

[1] External capacitors should be connected to the input and output RF terminals (P1,

P2, PC) to block the DC current. The above example is a circuit at 900MHz.

Please select the capacitor value suitable for actual frequency from 10pF to 1000pF.

[2] Decoupling capacitors should be connected to the control terminals (VCTR1, VCTR2) as

close as possible. The values of these capacitors should be selected from 5pF to

100pF range. Please consider that these values are very effective to switching time

(Larger capacitor gives longer switching time).

[3] In order to keep good isolation characteristics, the ground terminals (3, 4, 6pin)

should be connected to the ground pattern with wider width as close as possible, and

through-hole in the ground plane should also be placed as close as possible.

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