VK Corporation VK2000+, Service Manual

Page: 9 / 76

VK Quality Group GSM C/S
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Standard
Standard
Transmitter
GSM900 = 2W(Max)
DCS = 1W(Max)
P-GSM Tx = 890~915 Rx = 935~960MHz
DCS Tx = 1710~1785 Rx = 1805~1880MHz
3) Radiowave Type: E-GSM Tx = 880~915 Rx = 925~960MHz
4) Oscillation Mode: PLL Synthesize
5) Modulation Mode: GMSK
GSM900 = 90Hz 6) Frequency Stability:
DCS = 180Hz
7) Terminal Amp(IC): TQ7M4006
8) Channel Separation: 200KHz
EGSM = 1849.8 ~ 1919.8MHz
9) RF1 Local Oscillation
Frequency:
DCS = 1804.9~1879.9MHz
10) IF VCO Frequency: EGSM = 798MHz
DCS = 766MHz
11) Multiplying Method: Frequency Multiplying
12) Spurious 1G~4G(-30dBm or below from the FTA standard)
1) Rated Output:
1G~4G(-30dbm or below from the FTA
standard)
7) Spurious:
GMSK 6) Modulation Mode:
100KHz 5) Intermediate Frequency:
DCS = 1327 ~ 1402MHz
E-GSM = 1279 ~ 1314MHz
4) RF2 Local Oscillation
Frequency:
PLL Synthesize 3) Oscillation Mode:
200KHz 2) Channel Separation:
DCS = 512~885
P-GSM = 1~124
E-GSM = 975~1023, 1~124 1) Channel Number:
Receiver