UPC2757TB Datasheet, PDF (3/16 Pages) NEC – SILICON MMIC 1st FREQUENCY DOWN-CONVERTER FOR CELLULAR/CORDLESS TELEPHONE

µPC2757TB, µPC2758TB
INTERNAL BLOCK DIAGRAM (µPC2757TB, µPC2758TB in common)
RF
input
IF
output
POWER
SAVE
LO
VCC GND
input
SYSTEM APPLICATION EXAMPLE
DIGITAL CELLULAR TELEPHONE
Low noise Tr.
RX
µPC2758TB
DEMOD.
I
Q
SW
TX
PA
VCO
÷ N PLL
0˚
φ
90˚
PLL
I
Q
To know the associated products, please refer to each latest data sheet.
Data Sheet P12771EJ2V0DS00
3