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

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UPC8002GR

SECOND MIXER + IF AMPLIFIER FOR DIGITAL CORDLESS TELEPHONES

NEC => Renesas Technology 

µPC8002

7. TEST CIRCUIT EXAMPLES

In test circuit example 2 onward, only the portion that differs from test circuit example 1 is shown.

Test Circuit Example 1.

VCC

1 PD

BYPASS1 20

1000 pF

2 MIX OUT

82 pF

VCC

3 VCC (IF)

1 µF

VCC

1000 pF

4 VCC (MIX)

1 µF

1000 pF

5

470 pF

50 Ω

LO IN

6 GND (IF)

IF1 IN 19

BYPASS2 18

330 pF

50 Ω

1000 pF

IF1 OUT 17

BYPASS4 16

IF2 IN 15

0.01 µF

7 GND (MIX)

BYPASS3 14

0.01 µF

50 Ω

470 pF

8 MIX IN1

GND (IF OUT) 13

470 pF

9 MIX IN2

10 RSSI OUT

10 pF

VCC

VCC (IF OUT) 12

1 µF

1000 pF

IF2 OUT 11

1000 pF

10 pF

Caution

10 kΩ

The 10 pF capacitor value for IF2 OUT and RSSI OUT includes all the capacitances (board,

pattern, etc.) applied to the pin. Ensure that the recommended load condition (10 pF) is not

exceeded for IF2 OUT and RSSI OUT.

Remark Chip laminated ceramic capacitors (MURATA GRM36 or equivalent) should be used.

19

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