UPC8119T 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPC8119T

VARIABLE GAIN AMPLIFIER SILICON MMIC FOR TRANSMITTER AGC OF DIGITAL CELLULAR TELEPHONE

NEC => Renesas Technology 

µPC8119T, µPC8120T

TEST CIRCUIT2 (f = 1440 MHz, both products in common)

Vcc line low pass filter

C6

Pattern L

1000 pF

VAGC

C3

1000 pF C4

C5

1000 pF

VCC

C7

6 1000 pF

L 2 nH

1000 pF

C1

IN

1000 pF 1

5

4

2, 3

C2

1 pF

OUT

Output matching circuit

ILLUSTRATION OF TEST CIRCUIT2 ASSEMBLED ON EVALUATION BOARD

C1

IN

C2

OUT

L

C5 C6

C3

C4

VAGC

Pattern L

(5 nH)

C4

VCC

C7 GND

C7

(Monitor

of Vcc pin)

COMPONENT LIST

Form

Chip capacitor

Chip inductor

Printed on board

Symbol

C1, C3 to C7

C2

L

Pattern L

Value

1000 pF

1 pFNote 1

2 nH (4.7 nH + 6.8 nH × 2 pcs parallel)Note 2

5 nH

Notes 1. 1 pF : Murata Mfg. Co., Ltd. GR40CK010C

2. 4.7 nH : Murata Mfg. Co., Ltd. LQP31A4N7J04

6.8 nH : Murata Mfg. Co., Ltd. LQP31A6N8J04

7

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