Nokia 6620 서비스 매뉴얼
Nokia Customer Care
Schematics / Layouts hl9_15
NHL-12
Issue 3 05/2005
Copyright © Nokia 2005. All rights reserved.
Page 6
Tx Matching Circuit v.2.0, ed.21
CIRCUIT TO MATCH BC02 TX OUPUTS TO BALUN
CHECK TX OUTPUT POWER FLATNESS ACROSS BLUETOOTH FREQUENCY BAND
CIRCUIT TO DECOUPLE SUPPLY VOLTAGE TO BC02 VCO
CHECK SPURIOUS SIGNALS ON TX BLUETOOTH MODALATED OUTPUT
3p3
2320524
C6048
22nH
3646239
L6033
3n3H
3646215
L6032
GND
3n3H
3646215
L6031
2p2
2320520
C6046
2p2
2320520
C6049
BC02_VDD_ANA
BALUN_B
BALUN_A
BC02_TX_B
BC02_TX_A
BC02_VDD_VCO
GND