Nokia NSB-5 Series Technical Documentation Manual page 42

NSB-5
System Module
C2 VSA5 P
D2 EARN O
E2 VSA4 P
F2 VREF I
G2 AFCOut O
H2 TxIOutN O
A3 MIC2N I
B3 MIC2P I
C3 VDA5 P
D3 HFCM O
E3 VDA4 P
F3 TxQOutP O
G3 TxQOutN O
H3 TxIOutP O
A4 MBIAS O
B4 VDD1 P
C4 VSS1 P
D4 AUXOUT O
E4 VDA3 P
F4 TxCOut O
G4 TxIPhsP O
H4 TxIPhsN O
A5 TEST I
Page 42
- Negative analog power supply for
PCM ADC
Float Negative ear-piece output
- Negative analog power supply for
PCM DAC
- Reference voltage input (1.5V)
Float Automatic frequency control out-
put
Float Negative in-phase transmit out-
put
Inp Second negative high impedance
input for microphone
Inp Second positive high impedance
input for microphone
_ Positive analog power supply for
PCM ADC
Float Common mode output for phone
external audio circuitry
- Positive analog power supply for
PCM DAC
Float Positive quadrature transmit out-
put
Float Negative quadrature transmit
output
Float Positive in-phase transmit output
Float Bias output for microphone 2.1V
- AudioCodec positive digital
power supply
- AudioCodec negative digital
power supply
Float Auxiliary audio output or ABIAS
2.1V
- Positive analog power supply
Float Transmit power control output
Float Positive in-phase PHS transmit
output
Float Negative in-phase PHS transmit
output
Inp Test pin
Nokia Mobile Phones Ltd.
PAMS Technical Documentation
AGND
To internal speaker
AGND
VREF from CCONT
To 13MHz clock oscillator
To SUMMA
Analog input from slide micro-
phone
Analog input from slide micro-
phone
VCOBBA from CCONT
Not used (floating)
VCOBBA from CCONT
To SUMMA
To SUMMA
To SUMMA
Bias output for microphone
2.1V
VBB
GND
Auxiliary audio output or ABIAS
2.1V
VCOBBA from CCONT
Transmit power control output
– to SUMMA
Not used (floating)
Not used (floating)
GND
Issue 1 03/01