Frequency Table (Mhz) - Panasonic KX-TCD505CXV Service Manual

20. FREQUENCY TABLE (MHz)

Channel No Transmit Frequency
1 1897.344
2 1895.616
3 1893.888
4 1892.160
5 1890.432
6 1888.704
7 1886.976
8
9 1883.520
10 1881.792
Note:
Channel No. 10: In the Test Mode on Base Unit and Handset.
21. BLOCK DIAGRAM (BASE UNIT)
22. CIRCUIT OPERATION (BASE UNIT)
22.1. Outline
Base Unit consists of the following ICs as shown in
- 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.)
BASE UNIT
Receive Frequency
1885.248
Transmit Frequency
1897.344
1895.616
1893.888
1892.160
1890.432
1888.704
1886.976
1885.248
1883.520
1881.792
BLOCK DIAGRAM (BASE UNIT)
78
HANDSET
Receive Frequency
1897.344
1895.616
1893.888
1892.160
1890.432
1888.704
1886.976
1885.248
1883.520
1881.792
().
1897.344
1895.616
1893.888
1892.160
1890.432
1888.704
1886.976
1885.248
1883.520
1881.792