VK Quality Group GSM C/S
☞
☞
Standard
Standard
Transmitter
GSM900 = 2W(Max)
GSM850 = 2W(Max)
DCS = 1W(Max)
PCS = 1W(Max)
GSM850
Tx = 824~849
Rx = 869~894MHz
P-GSM
Tx = 890~915
Rx = 935~960MHz
Tx =880~915 Rx
=925~960MHz
5) Modulation Mode:
GMSK
GSM850=1737.8~1787.8MHz
EGSM = 1849.8~1919.8MHz
EGSM=798MHz
DCS =766MHz
DCS
Tx =1710~1785
Rx = 1805~1880MHz
2) Frequency Range:
PCS
Tx =1850~1910 Rx
=1930~1990MHz
3) Radiowave Type:
EGSM
4)
Oscillation Mode:
PLL Synthesize
GSM900 ,GSM850=90Hz
6) Frequency Stability:
DCS,PCS = 180Hz
7) Terminal Amp(IC):
TQ7M40220
8) Channel Separation:
200KHz
DCS=1804.9~1879.9MHz
9) RF1 Local Oscillation
Frequency:
PCS = 1929.9~1989.9MHz
GSM850=896MHz
10) IF VCO Frequency:
PCS=854MHz
1) Rated Output:
GSM850 = 1272~1297
MHz
E-GSM = 1279~1314
MHz
DCS= 1327~ 1402
MHz
DCS =512~885
E-GSM = 975~1023,1~124
P-GSM = 1~124
GSM850 = 128~251
1G~4G(-30dbm or below from the FTA
standard)
12) Spurious:
Frequency Multiplying
11) Multiplying Method
200KHz
2) Channel Separation
1G~4G(-30dbm or below from the FTA standard)
7) Spurious:
GMSK
6) Modulation Mode:
100KHz
5) Intermediate Frequency:
PCS =1423 ~1483
MHz
4) RF2 Local Oscillation
Frequency :
PLL Synthesize
3) Oscillation Mode:
PCS = 512~ 810
1) Channel Number:
Receiver
Transmitter
Содержание VK2010
Страница 1: ...VK Quality Group GSM C S GSM GSM SERVICE MANUAL SERVICE MANUAL VK2010 VK2010 ...
Страница 12: ...VK Quality Group GSM C S Appearance Appearance ...
Страница 13: ...VK Quality Group GSM C S Icons Icons ...
Страница 14: ...VK Quality Group GSM C S Icons Icons ...
Страница 15: ...VK Quality Group GSM C S LCD Panel LCD Panel ...
Страница 17: ...VK Quality Group GSM C S 1 Assembly Drawings 1 Assembly Drawings 1 Exploded View Parts List ...
Страница 21: ...VK Quality Group GSM C S Rear Case Rear Case Disassembling Disassembling ...
Страница 23: ...VK Quality Group GSM C S Main PCB Main PCB Disassembling Disassembling ...
Страница 25: ...VK Quality Group GSM C S LCD Module LCD Module Disassembling Disassembling ...
Страница 29: ...VK Quality Group GSM C S RF Block Diagram RF Block Diagram ...
Страница 30: ...VK Quality Group GSM C S BASEBAND Block Diagram BASEBAND Block Diagram ...
Страница 32: ...VK Quality Group GSM C S Overall Structure Overall Structure ...
Страница 33: ...VK Quality Group GSM C S Base Band Block Base Band Block ...
Страница 34: ...VK Quality Group GSM C S MCP Main MCP Main ...
Страница 35: ...VK Quality Group GSM C S Nand Nand Block Block ...
Страница 36: ...VK Quality Group GSM C S Peripheral key Block Peripheral key Block ...
Страница 37: ...VK Quality Group GSM C S Power Management Black Power Management Black ...
Страница 38: ...VK Quality Group GSM C S RF Block RF Block ...
Страница 39: ...VK Quality Group GSM C S Audio Video Block Audio Video Block ...
Страница 40: ...VK Quality Group GSM C S Bluetooth Block Bluetooth Block ...
Страница 41: ...VK Quality Group GSM C S Battery Charger Block Battery Charger Block ...
Страница 43: ...VK Quality Group GSM C S Main PCB Main PCB Top Top Bottom Bottom ...
Страница 44: ...VK Quality Group GSM C S Module Area Module Area ...
Страница 45: ...VK Quality Group GSM C S RF Area RF Area ...
Страница 46: ...VK Quality Group GSM C S BASEBAND Area BASEBAND Area ...
Страница 48: ...VK Quality Group GSM C S Power Power On Trouble On Trouble ...
Страница 53: ...VK Quality Group GSM C S SIM Detection Trouble SIM Detection Trouble ...
Страница 58: ...VK Quality Group GSM C S RX Sensitivity Trouble RX Sensitivity Trouble E E GSM GSM ...
Страница 59: ...VK Quality Group GSM C S RX Sensitivity Trouble E RX Sensitivity Trouble E GSM GSM ...
Страница 61: ...VK Quality Group GSM C S Main Parts List Main Parts List ...
Страница 62: ...VK Quality Group GSM C S Main Parts List Main Parts List ...
Страница 63: ...VK Quality Group GSM C S ...
Страница 64: ...VK Quality Group GSM C S Main Parts List Main Parts List ...
Страница 65: ...VK Quality Group GSM C S Main Parts List Main Parts List ...
Страница 66: ...VK Quality Group GSM C S THANK YOU ...