UPB1003GS データシートの表示（PDF） - NEC => Renesas Technology

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UPB1003GS

REFERENCE FREQUENCY 16.368 MHz, 2ND IF FREQUENCY 4.092 MHz RF/IF FREQUENCY DOWN-CONVERTER + PLL FREQUENCY SYNTHESIZER IC FOR GPS RECEIVER

NEC => Renesas Technology 

µPB1005GS

Pin

No.

Pin Name

Applied

Voltage

(V)

Pin

Voltage

(V)

Function and Application

Internal Equivalent Circuit

28 IF-MIXout



1.15

Output pin from IF mixer.

IF mixer output signal goes

through gain control amplifier

before this emitter follower

29

output port.

30

29 VGC (IF-MIX)

0 to 3.3



Gain control voltage pin of IF

mixer output amplifier. This

1

voltage performs forward control 2nd

28

(VGC up → Gain down).

LO

30 VCC (IF-MIX) 2.7 to 3.3



Supply voltage pin of IF mixer,

2

gain control amplifier and

emitter follower transistor.

1 IF-MIXin



2.05

Input pin of IF mixer.

2 GND (IF-MIX)

0



Ground pin of IF mixer.

Caution Ground pattern on the board must be formed as wide as possible to minimize ground

impedance.

Data Sheet P13860EJ3V0DS00

9

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