Only For Training And Service Purposes - LG KG280 Service Manual

3. TECHNICAL BRIEF
SKY77318 PAM Pin Configuration-20-Pin
Leadless (Top View)
Pin Mame
1 BS
2 VCC1A
3 DCS/PCS IN
4 GND IN
5 GND
6 VCC1B
7 GND
8 GND
9 GND
10 GND
11 GSM OUT
12 GND
13 GND
14 GND
15 DCS/PCS OUT
16 GND
17 VBATT
18 ENABLE
19 RSVD(GND)
20 VAPC
GMD PAD GND
LGE Internal Use Only
Band Select
VCC (to GSM 1st stage, DCS/PCS 1st stages, BiCMOS PAC)
RF input 1710-1910 MHz (DCS1800, PCS1900)
RF input 880-915 MHz (GSM)
RF and DC Ground
VCC (to GSM 2nd stage, DCS/PCS 2nd stages)
RF and DC Ground
RF and DC Ground
RF and DC Ground
RF and DC Ground
RF Output 880-915 MHz (GSM)
RF and DC Ground
RF and DC Ground
RF and DC Ground
RF Output 1710-1910 MHz (DCS 1800, PCS1900)
RF and DC Ground
Battery input to high side of intemal sense resistor
BiCMOS Enable
RF and DC Ground
Power Control Bias Voltage
Ground Pad, device underside
Table 4. SKY77328 Pin Names and Signal Descriptions
Figure 6. Typical Case Makings
Description
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Only for training and service purposes