Nokia NSW-5 Series Service Manual page 60

NSW-5
System Module UT5U
Signal From/
name Control
SCLK MAD EROTUS,
(SCU, (SCU
SCLK ) SCLK )
tdma1900 Load resistance
SDATA MAD EROTUS,
(SCU, (SCU
SDATA ) SDATA )
tdma1900 Load resistance
SENA1 MAD EROTUS Logic high "1"
(SCU (SCU,
SENA1 ) SENA1 )
SENA2 MAD
(SCU, (SCU
SENA2 ) SENA2 )
tdma1900 tdma1900
SPWR3 Cob-
ba_D
TXA MAD EROTUS Logic high "1"
(MFI,
TXA )
EROTUS Voltage Min value
TXC Cob-
ba_D
TXF ERO-
TUS TUS
Page 46
To Parameter
Logic high "1"
UHF UHF
Logic low "0"
PLL PLL
Load capacitance
Data rate freq.
Logic high "1"
UHF UHF
Logic low "0"
PLL PLL
Load capacitance
Timing accuracy
Logic low "0"
Load resistance
Load capacitance
UHF Logic high "1"
PLL PLL
Logic low "0"
Load resistance
Load capacitance
RF Logic high "1"
2v8
regul.
Logic low "0"
Current
timing inaccuracy
Logic low "0"
Load resistance
Load capacitance
Timing inaccuracy
Max value
Load resistance
Load capacitance
Number of bits
MAD Logic high "1"
Logic low "0"
Load capacitance
E Nokia Mobile Phones Ltd.
PAMS Technical Documentation
Min Typ Max Unit
2 V
0.8 V
50 kW
20 pF
1.62 MHz
2.0 V
0.8 V
50 kW
20 pF
20 us
2.0 V
0.8 V
50 kW
20 pF
2.0 V
0.8 V
50 kW
20 pF
2.0 V
0.5 V
100 uA
200 us
2.0 V
0.5 V
10 kW
20 pF
10 us
0.12 0.15 0.18 V
2.27 2.30 2.33
10 kW
10 pF
10
2.0 3.0 V
0 0.5 V
10 pF
Issue 1 10/00
Function
Synthesizer
and control clock d l l k
Synthesizer
and control data d l d
Synthesizer
and Erotus control d E l
enable enable
TDMA1900 UHF
synthesizer enable h i bl
Supply voltage VR10
ON
Supply voltage VR10
OFF
DSP DSP
Power control loop
mode during tx burst
Power control loop
mode during ramp
up/down
DSP
Makes transmitter
power ramps and
sets transmitter pow- t t itt
er er
level
False transmission
i di indicator, function t f ti
controlled via Erotus controlled via Erotus
register