22
3.4 RF SAW (B9308)
Application
Low-loss 2in1 RF filter for mobile telephone GSM 900 and GSM 1800 systems, receive path (Rx)
Usable passband:
Filter 1 (GSM 1800): 75 MHz
Filter 2 (GSM 900): 35 MHz
Unbalanced to balanced operation for both filters
Very low insertion attenuation
Low amplitute ripple
Impedance transformation from 50 W to 150 W for both filters
Suitable for GPRS class 1 to 12
Features
Package size 2.0 x1.6 x 0.68 mm3
Package code QCS10H
RoHS compatible
Approx. weight 0.008 g
Package for Surface Mount Technology (SMT)
Ni, gold-plated terminals
Electrostatic Sensitive Device (ESD)
Pin configuration
1 Input [Filter 1]
4 Input [Filter 2]
6,7 Output, balanced [Filter 2]
8,9 Output, balanced [Filter 1]
2,3,5,10 Case-ground
Summary of Contents for GB110
Page 13: ...13 3 TECHNICAL BRIEF 3 1Digital Main Processor Figure 3 1 PMB7890 FUNCTIONAL BLOCK DIAGRAM ...
Page 32: ...32 3 9 LCD Interface Figure 3 9 1 LCD Interface Figure 3 9 2 Charging PUMP Interface ...
Page 33: ...33 LCD Interface Pin Function Charging PUMP Pin Function ...
Page 34: ...34 3 10 SIM Card Interface Figure 3 10 SIM CARD Interface ...
Page 35: ...35 3 11 KEYPAD Interface Figure 3 11 KEY PAD Interface ...
Page 38: ...38 3 14 Micro SD Interface ...
Page 40: ...40 Circuit Diagram TP1 TP6 TP3 TP4 TP2 TP5 ...
Page 42: ...42 4 2 SIM Card Trouble Test Point Circuit Diagram ...
Page 44: ...44 4 3 Vibrator Trouble Test Point Circuit Diagram ...
Page 46: ...46 4 4 Keypad Trouble Test Point Circuit Diagram ...
Page 47: ...47 Checking Flow Change Metal Dome Check Metal Dome Start Change PCB NG OK ...
Page 48: ...48 4 5 RTC Trouble Test Point Circuit Diagram ...
Page 50: ...50 4 6 Key Backlight Trouble 1 1 1 Test Point ...
Page 51: ...51 Circuit Diagram ...
Page 53: ...53 4 7 LCM Backlight Trouble Test Point Circuit Diagram ...
Page 55: ...55 4 8 LCM Trouble Test Point Circuit Diagram ...
Page 57: ...57 4 9 Microphone Trouble Test Point Circuit Diagram ...
Page 59: ...59 4 10 Receiver Trouble Test Point Circuit Diagram ...
Page 61: ...61 4 11 Speaker Trouble Test Point Circuit Diagram ...
Page 63: ...63 4 12 Headphone Trouble Test Point ...
Page 64: ...64 Circuit Diagram TP1 TP2 ...
Page 67: ...67 4 13 Charging Trouble Test Point Circuit Diagram ...
Page 69: ...69 4 14 FM Radio Trouble Test Point ...
Page 70: ...70 ...
Page 71: ...71 Circuit Diagram ...
Page 75: ...75 4 15 Camera Trouble Test Pointer TP1 TP2 TP3 ...
Page 76: ...76 Circuit Diagram ...
Page 78: ...78 4 16 Micro SD Trouble Test Pointer TP1 ...
Page 83: ...83 RX Trouble CIRCUIT ...
Page 86: ...86 CIRCUIT ...
Page 88: ...88 TX Trouble CIRCUIT ...
Page 91: ...91 CIRCUIT ...
Page 93: ...93 5 DOWNLOAD 5 1 Download Setup ...
Page 102: ...102 DownLoad success DownLoad Pass will display green color Fig 11 download success ...
Page 104: ...104 Add software files in folder as follows ...
Page 106: ...106 6 BLOCK DIAGRAM ...
Page 107: ...107 7 CIRCUIT DIAGRMA ...
Page 113: ...113 8 BGA IC PIN Check 8 1 BGA PIN Check of MCU PMB7890 No NC pin ...
Page 114: ...114 8 2 BGA PIN Check of Memory ...
Page 115: ...115 8 3 BGA PIN Check of Camera driver AIT701A No NC pin ...
Page 116: ...116 9 PCB LAYOUT ...
Page 139: ...139 13 EXPLODED VIEW REPLACEMENT PART LIST 13 1 EXPLODED VIEW ...