3. TECHNICAL BRIEF
- 16 -
SKY77328 PAM Pin Configuration-20-Pin
Leadless (Top View)
Figure 6. Typical Case Makings
Table 4. SKY77328 Pin Names and Signal Descriptions
Pin
Mame
Description
1
BS
Band Select
2
VCC1A
VCC (to GSM 1st stage, DCS/PCS 1st stages, BiCMOS PAC)
3
DCS/PCS IN
RF input 1710-1910 MHz (DCS1800, PCS1900)
4
GND IN
RF input 824-915 MHz (GSM850/900)
5
GND
RF and DC Ground
6
VCC1B
RF and DC Ground
7
GND
RF and DC Ground
8
GND
RF and DC Ground
9
GND
RF and DC Ground
10
GND
RF and DC Ground
11
GSM OUT
RF Output 824-915 MHz (GSM850/900)
12
GND
RF and DC Ground
13
GND
RF and DC Ground
14
GND
RF and DC Ground
15
DCS/PCS OUT
RF Output 1710-1910 MHz (DCS 1800, PCS1900)
17
VBATT
Battery input to high side of intemal sense resistor
18
ENABLE
BiCMOS Enable
19
RSVD(GND)
RF and DC Ground
20
VAPC
Power Control Bias Voltage
GMD PAD(21)
GND
Ground Pad, bottom
Содержание KG225
Страница 1: ...Date April 2006 Issue 1 0 Service Manual Model KG225 Service Manual KG225 M O B ILE CAM E R A ...
Страница 3: ... 4 ...
Страница 19: ...3 TECHNICAL BRIEF 20 Figure 3 4 SYSTEM INTERCONECTION OF AD6720 EXTERNAL INTERFACE ...
Страница 66: ...4 TROUBLE SHOOTING 67 4 12 KEY backlight Trouble Q300 R359 TEST POINT Figure 21 ...
Страница 79: ... 80 5 DOWNLOAD B Multi Download Procedure 1 Run GSM Multi Download program and select Setting ...
Страница 82: ... 83 5 DOWNLOAD 7 Check if the ADI option is set to Hermes 8 Press OK to end Configuration Select Rate ...
Страница 84: ... 85 6 BLOCK DIAGRAM 6 BLOCK DIAGRAM ...
Страница 85: ... 86 ...
Страница 92: ... 93 KG225 8 PCB LAYOUT ...
Страница 93: ... 94 KG225 8 PCB LAYOUT ...
Страница 101: ... 102 10 STAND ALONE TEST Figure 10 2 HW test setting Figure 10 3 Ramping profile ...
Страница 109: ... 110 ...
Страница 125: ...Note ...
Страница 126: ...Note ...