BASE UNIT
HANDSET
Channel No
Transmit Frequency
Receive Frequency
Transmit Frequency
Receive Frequency
1
1897.344
1897.344
1897.344
1897.344
2
1895.616
1895.616
1895.616
1895.616
3
1893.888
1893.888
1893.888
1893.888
4
1892.160
1892.160
1892.160
1892.160
5
1890.432
1890.432
1890.432
1890.432
6
1888.704
1888.704
1888.704
1888.704
7
1886.976
1886.976
1886.976
1886.976
8
1885.248
1885.248
1885.248
1885.248
9
1883.520
1883.520
1883.520
1883.520
10
1881.792
1881.792
1881.792
1881.792
Note:
Channel No. 10: In the Test Mode on Base Unit and Handset.
19. BLOCK DIAGRAM (BASE UNIT)
20. CIRCUIT OPERATION (BASE UNIT)
20.1. Outline
Base Unit consists of the following ICs as shown in
BLOCK DIAGRAM (BASE UNIT)
().
- DECT BBIC (Base Band IC): IC2
- Handling all the audio, signal and data processing needed in a
DECT base unit
- Controlling the DECT specific physical layer and radio section (B
urst Module Controller section)
- ADPCM codec filter for speech encoding and speech decoding
(DSP section)
- Echo-cancellation and Echo-suppression (DSP section)
- Any tones (tone, sidetone, ringing tone, etc.) generation (DSP
section)
- DTMF receiver (DSP section)
- Clock Generation for RF Module
- ADC, DAC, timer, and power control circuitry
- All interfaces (ex: RF module, EEPROM, LED, Analog Front End,
etc.)
- RF Module: IC3
- PLL Oscillator
52
Summary of Contents for KX-TCD410SLS
Page 51: ...18 FREQUENCY TABLE MHz 51 ...
Page 57: ...24 CPU DATA BASE UNIT 24 1 IC2 BBIC 57 ...
Page 61: ...45 MICP A I 61 ...
Page 74: ...74 ...
Page 75: ...30 CABINET AND ELECTRICAL PARTS LOCATION HANDSET 31 ACCESSORIES AND PACKING MATERIALS 75 ...
Page 76: ...32 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 32 1 Base Unit 32 2 Handset 76 ...
Page 84: ...37 1 Component View 37 2 Flow Solder Side View M KXTCD410SLS KXA141EXS 84 ...
Page 98: ...4 1 5 8 PbF 1 28 18 IC3 IC2 IC1 11 64 1 16 17 32 49 48 33 Marked ...
Page 100: ...Marked PbF IC1 IC2 100 80 5 8 4 1 50 51 30 31 1 11 18 1 28 IC3 ...
Page 102: ...Clip Base PCB G N D S D A S C L 2 7V MODE SDA SCLK GND J104 J103 J102 J101 J100 ...