Nokia RM-497 - Page 96

Operational
State
TX_EN BS1 BS2 MODE TX_SW_EN Notes
Low band
GMSK
1 0 1 1 1 Normal
GMSK mode,
switch
enabled,
saturation
correction
enabled.
VRAMP
signal
controls
output
power.
High band
EDGE
1 1 0 0 0 High
Isolation
before ramp
up
High band
EDGE
1 1 0 0 1 Normal EDGE
mode,
switch
enabled.
VRAMP
signal sets
PA bias
condition.
Fixed gain
PA
High band
GMSK
1 1 0 1 0 High
isolation
mode
before ramp
up,
saturation
correction
disabled
High band
GMSK
1 1 0 1 1 Normal
GMSK mode,
switch
enabled,
saturation
correction
disabled.
VRAMP
signal
controls
output
power.
RM-497
RF troubleshooting
Page 4 – 10 COMPANY CONFIDENTIAL Issue 1
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