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8.7. FREQUENCY TABLE
9. DESCRIPTION
9.1. Frequency
The frequency range of 902.713 MHz ~ 927.289 MHz is used. Transmitting and receiving channel
between base unit and handset is same frequency. Refer to the Frequency Table.
9.2. Time Division Duplex (TDD) operation
Transmission/reception between the base unit and handset is performed by time-sharing as
shown in Fig. 7. 1 slot time of transmission and reception is 1mS.Same frequency is used in
transmitting and receiving. The figure shows an example; the frequency of 3ch is used in
transmitting between the base unit and handset.
Fig. 7
9.2.1. TDD Frame Format
The TDD frame is 2mS in length. Each subframe contains 128 bits of 7.8
S duration.
Содержание KX-TC1503B - 900 MHz Digital Cordless Phone
Страница 3: ...2 LOCATION OF CONTROLS 2 1 Base unit ...
Страница 4: ......
Страница 5: ...2 2 Handset 3 DISPLAY 3 1 Base Unit Display ...
Страница 6: ...4 CONNECTIONS ...
Страница 8: ...line use the Panasonic T adaptor KX J66 5 OPERATION 5 1 Making Calls ...
Страница 9: ......
Страница 10: ...5 2 Answering Calls ...
Страница 11: ...5 3 Automatic Answering Operation 5 3 1 Setting the Unit to Answer Calls ...
Страница 12: ...5 4 Listening to Messages ...
Страница 13: ...5 4 1 During playback ...
Страница 14: ...5 5 FLASH Button ...
Страница 15: ...6 DISASSEMBLY INSTRUCTIONS ...
Страница 16: ......
Страница 21: ...Cross Reference Power Supply Circuit NOTE Flash Memory is IC300 DSP is IC201 7 5 Check Battery Charge ...
Страница 28: ...NOTE Flash Memory is IC300 DSP is IC201 7 7 5 RF DSP interface signal wave form ...
Страница 31: ...8 3 Test mode flow chart for Handset ...
Страница 35: ...10 EXPLANATION OF BBIC Base Band IC DATA COMMUNICATION 10 1 Calling ...
Страница 36: ...10 2 To Terminate Communication 10 3 Ringing ...
Страница 43: ...12 9 Signal Route Each signal route is as follows ...
Страница 47: ...15 CPU DATA Base Unit 15 1 IC201 ...
Страница 48: ...16 CPU DATA Handset 16 1 IC201 ...
Страница 49: ...17 EXPLANATION OF IC TERMINALS RF Unit 17 1 IC101 ...
Страница 50: ......
Страница 53: ...20 CABINET AND ELECTRICAL PARTS Handset ...
Страница 54: ...21 ACCESSORIES AND PACKING MATERIALS ...
Страница 55: ...22 TERMINAL GUIDE OF IC S TRANSISTORS AND DIODES 22 1 Base Unit 22 2 Handset ...
Страница 67: ...IC300 IC202 IC331 IC332 IC100 IC201 ANT GND ANT COMPONENT VIEW TEST ...
Страница 68: ...Line A Line B FLOW SOLDER SIDE VIEW ...
Страница 69: ...100Ω ANT GND HANDSET COMPONENT VIEW ANT TEST PULL UP SP SP MIC MIC 10µ 10µ IC203 IC201 IC202 IC204 IC205 ...
Страница 71: ...TX RX 16 2 15 14 13 12 11 10 9 8 7 6 5 4 IC101 IC102 ...
Страница 72: ...15P 1 2 3 4 13 14 15 16 17 19 20 21 22 26 23 25 5 12 IC201 IC202 NC IC300 ...
Страница 75: ...IC202 1 2 3 4 12 13 15 17 29 30 34 35 37 38 40 42 48 41 16 ...
Страница 78: ...IC101 IC102 ...
Страница 80: ......
Страница 82: ......