UPB1008 NEC [NEC], UPB1008 Datasheet - Page 8

• Manufacturer Part Number: UPB1008
• Description: NECs LOW POWER GPS RF RECEIVER
• Manufacturer: NEC [NEC]

PIN FUNCTIONS
Pin No.
35
36
LNAbias
Symbol
Vref
Base-emitter junction voltage wth respect to ground.
May be used for biasing an external discrete
transistor. Regulation will develop PTAT current.
LNA output pin. External bias (V
Function and Application
for gain is required.
CC
) and matching
4
Regulator
Internal Equivalent Circuit
GND
VCC
See pin 2 schematic
r=40k
1
3
r=500
ESD
ESD
35