UPC8002GR 데이터 시트보기 (PDF) - NEC => Renesas Technology

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UPC8002GR

SECOND MIXER + IF AMPLIFIER FOR DIGITAL CORDLESS TELEPHONES

NEC => Renesas Technology 

Application Circuit Example 4 (Using 1 BPF)

µPC8002

VCC

VCC

1µF

1000 pF

VCC

1µF

1000 pF

470 pF

470 pF

470 pF

1 PD

2 MIX OUT

3 VCC (IF)

4 VCC (MIX)

5 LO IN

6 GND (IF)

7 GND (MIX)

8 MIX IN1

9 MIX IN2

10 RSSI OUT

BYPASS1 20

IF1 IN 19

1000 pF

BYPASS2 18

1000 pF

IF1 OUT 17

390 Ω

BYPASS4 16

0.01 µF

IF2 IN 15

BYPASS3 14

1000 pF

1.5 µH

150 pF

0.01 µF

GND (IF OUT) 13

VCC

VCC (IF OUT) 12

1000 pF

IF2 OUT 11

1 µF

Cautions 1. With this application circuit, good interfering wave characteristics are obtained with a single

BPF (and sensitivity is better than in Application Circuit Example 3).

2. Ensure that the pin voltage does not exceed the power supply voltage.

Remark The VCC pass capacitors (1 µF, 1000 pF) should be located close to the respective VCC pins.

Chip laminated ceramic capacitors (MURATA GRM36 or equivalent) and a chip coil (MURATA LQHIN

or equivalent) should be used.

5

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