Nokia 5110 Instruction De Maintenance

PAMS

Technical Documentation

NSE–1

System Module

Original  03/98

Page 3 – 48

Battery voltage, idle mode

6.0 V

Battery voltage during call, highest power level

5.0 V

Regulated supply voltage

2.8 +/– 3% V

Voltage reference

1.5 +/– 1.5% V

Operating temperature range

–10...+55 deg. C

PLUSSA

CRFU_1

UHF
PLL

VHF
PLL

13 MHz

VCTCXO

232

MHz

f

f/2

f/2

f

f

f/2

1006–
1031
MHz

LO–
buffers

935–960
MHz

890–915
MHz

1st IF 71 MHz

2nd IF 13 MHz

TX IF 116 MHz

2nd LO
58 MHz