UPB1008K-A データシートの表示（PDF） - California Eastern Laboratories.

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UPB1008K-A

NEC's LOW POWER GPS RF RECEIVER

California Eastern Laboratories. 

PIN FUNCTIONS

Pin No.

Symbol

Function and Application

35

Vref

Base-emitter junction voltage wth respect to ground.

May be used for biasing an external discrete

transistor. Regulation will develop PTAT current.

36

LNAbias

LNA output pin. External bias (VCC) and matching

for gain is required.

UPB1008K

Internal Equivalent Circuit

3

VCC

r=500

Regulator

GND

r=40k

ESD

35

ESD

4

1

See pin 2 schematic

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