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Now downloading free:Samsung SPR5100D


Download Samsung SPR5100D docs - Phone systems, telephone exchanges, pbx, wireless phone, ip telephony,voip, dect - service manuals and repair information

File information:
File name:SPR5100D.rar
[preview SPR5100D] new window
Size:141 kB
Extension:
MD5:6e2406d6948a570d614d11544d1bbe4a
Mfg:

Samsung

Model:

SPR5100D

Original Chassis:SPR5100D
Descr:SPR5100D
Group:Electronics > Consumer electronics > Telephones >
Uploaded:2004-04-26 17:30:53
User:plamensl
Multipart:No multipart

Information about the files in archive:
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Extracted files:1
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SPR5100D.pdf12. Schematic Description and Diagram 1. CIRCUIT DESCRIPTIONS OF HANDSET RF 1-1 INTRODUCTION The system uses the T.D.D.method that the system receives RX signals and transmits TX signals through only one antenna and carrier frequency. The system also uses the TDMA method using one slot among24slots. The frequency range of TX and RX is from 1881.792MHz to 1897.344MHz. The equipment uses DECT RF module. 1-2 DESCRIPTION 1) ANTENNA The system uses the antenna of Ě╬ herical type to communicate with the microwave signal. /4 2) RF module The operating voltage of this module is 3.6Vdc normally and supplied by BATT directly. The clock of module uses 13.824MHz. The outgoing siginals of module are SLICE OUT, DEMODE OUT,VCC REFand RSSI siginal. This RF module░ě pin assignments are as follows. s : 9 and 10 are TX POWER SUPPLY. 28 is the supply voltage for other circuits within RF Module. B) GND : 1,3,5,6,7,15,30,31 and 32. C) TX PA RAMP : It controls transmit power AMP.(pin number : 8) In case of

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