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GOMPLIANT TO JEDEC STANDARDS MO-220-VHHD-2
No
Name
Description
1
VCC_FE
Front end supply (IP)
2
I
I baseband input/output
3
IB
I baseband input/output
4
VCC_BBI
Baseband I, TX path supply (IP)
5
SDATA
Serial port data
6
SCLK
Serial port clock
7
SEN
Serial port enable
8
N/C
Not connected
9
VLDO3
TX LDO Output (1)
10
TXOP_LO
Transmit O/P (850/900MHz)
11
TXOP_HI
Transmit O/P (1800/1900MHz)
12
VCC_TXVCO TX VCO supply (1)
13
VDD
Serial interface supply
14
VBAT
Battery I/P for LDO reg's
15
VLDO1
LDO regulator Output (2)
16
VLDO2
LO VCO Supply (3)
Notes:
1. Supply regulated by internal LDO3 and should not be connected to any other supply
2. Internally connected as Synth supply (Counters + SDM + Charge pump)
3. Supply regulated by internal LDO2 and should not be connected to any other supply
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
No
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
Table 1 AD6548/9 Pin Descriptions
- 19 -
3. TECHNICAL BRIEF
Name
Description
VCC_REF
Reference Oscillator Supply (IP)
VAFC/
AD6548 Crystal Freq control (IP)
N/C
AD6549: Spare Pin
REFIN
Crystal Connection
REFINB
Crystal Connection
REF_OP
Reference Frequency Output
QB
Q baseband input/output
Q
Q baseband input/output
VCC_BBQ
Baseband Q supply (IP)
RX1900B
PCS 1900 LNA input
RX1900
PCS 1900 LNA input
RX1800B
DCS 1800 LNA input
RX1800
DCS 1800 LNA input
RX900B
E-GSM LNA input
RX900
E-GSM LNA input
RX850B
GSM 850 LNA input
RX850
GSM 850 LNA input
LGE Internal Use Only
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