
21 CIRCUIT OPERATION (BASE UNIT)
21.1. Outline
Base Unit consists of the following ICs as shown in BLOCK DIAGRAM (BASE UNIT) (P.66).
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DECT BBIC (Base Band IC): IC2
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Handling all the audio, signal and data processing needed in a DECT base unit
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Controlling the DECT specific physical layer and radio section (Burst Module Controller section)
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ADPCM codec filter for speech encoding and speech decoding (DSP section)
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Echo-cancellation and Echo-suppression (DSP section)
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Any tones (tone, sidetone, ringing tone, etc.) generation (DSP section)
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DTMF receiver (DSP section)
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Clock Generation for RF Module
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ADC, DAC, timer, and power control circuitry
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All interfaces (ex: RF module, EEPROM, LED, Analog Front End, etc.)
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RF Module: IC4
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PLL Oscillator
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Detector
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Compress/Expander
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First/Second Mixer
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Amplifier for transmission and reception
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FLASH MEMORY IC7
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Program D/L (DownLoad) Area
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EEPROM: IC3
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Temporary operating parameters (for RF, etc.)
Refer to EEPROM LAYOUT (BASE UNIT) (P.77).
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Additionally,
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Power Supply Circuit (+4.0V, +3V, +1.8V output)
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Crystal Circuit (10.368MHz)
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Charge Circuit
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Telephone Line Interface Circuit
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FLASH MEMORY IC6
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VOICE Prompt (TAM) D/L Area
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KX-TCD510RUM / KX-TCD510R UT / KX-TCD510R UV / KX-TCD512R UM / KX-TCD512R UT / KX-TCD512RUV
Содержание KX-TCD510RUM
Страница 11: ...11 KX TCD510RUM KX TCD510RUT KX TCD510RUV KX TCD512RUM KX TCD512RUT KX TCD512RUV ...
Страница 23: ...7 3 Caller ID Service 23 KX TCD510RUM KX TCD510RUT KX TCD510RUV KX TCD512RUM KX TCD512RUT KX TCD512RUV ...
Страница 27: ...8 3 Redialling 27 KX TCD510RUM KX TCD510RUT KX TCD510RUV KX TCD512RUM KX TCD512RUT KX TCD512RUV ...
Страница 30: ...30 KX TCD510RUM KX TCD510RUT KX TCD510RUV KX TCD512RUM KX TCD512RUT KX TCD512RUV ...
Страница 34: ...8 4 5 Hot Keys Speed Dial 34 KX TCD510RUM KX TCD510RUT KX TCD510RUV KX TCD512RUM KX TCD512RUT KX TCD512RUV ...
Страница 37: ...37 KX TCD510RUM KX TCD510RUT KX TCD510RUV KX TCD512RUM KX TCD512RUT KX TCD512RUV ...
Страница 38: ...8 6 Base Unit Selection 38 KX TCD510RUM KX TCD510RUT KX TCD510RUV KX TCD512RUM KX TCD512RUT KX TCD512RUV ...
Страница 47: ...11 3 2 Handset 47 KX TCD510RUM KX TCD510RUT KX TCD510RUV KX TCD512RUM KX TCD512RUT KX TCD512RUV ...
Страница 72: ...24 SIGNAL ROUTE 72 KX TCD510RUM KX TCD510RUT KX TCD510RUV KX TCD512RUM KX TCD512RUT KX TCD512RUV ...
Страница 88: ...32 2 KX TCD512RUM RUT RUV 88 KX TCD510RUM KX TCD510RUT KX TCD510RUV KX TCD512RUM KX TCD512RUT KX TCD512RUV ...
Страница 100: ...37 1 Memo 100 KX TCD510RUM KX TCD510RUT KX TCD510RUV KX TCD512RUM KX TCD512RUT KX TCD512RUV ...