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KX-TG6321S/KX-TG6323PK/KX-TGA630S
4.8.
Circuit Operation (RF Part)
General Description:
RF part includes Transmitter and Receiver functions. Digital signals (Mainly voice data) that come from DSP, are modulated and
are transmitted. On the other hand, received signals are demodulated and go out to DSP.
4.8.1.
Power Supply Circuit
As indicated below, the various voltages are supplied to each block.
V_PA, about 3.2 V at base unit or 3.1 V at handset, is supplied to the Power amplifier.
IC741 is 3.0 V at base unit or 2.7 V at handset Regulator and outputs VRF (3.0 V at base unit or 2.7 V at handset) by order of
RADIO_EN signal.
V_RF is approximately 4.0 V (Base Unit) or 3.1 V (Handset).
Содержание KX-TG6321S
Страница 2: ...2 KX TG6321S KX TG6323PK KX TGA630S ...
Страница 23: ...23 KX TG6321S KX TG6323PK KX TGA630S 4 7 2 Power Supply Circuit Voltage is supplied separately to each block ...
Страница 28: ...28 KX TG6321S KX TG6323PK KX TGA630S 4 10 Signal Route ...
Страница 29: ...29 KX TG6321S KX TG6323PK KX TGA630S RF part signal route ...
Страница 34: ...34 KX TG6321S KX TG6323PK KX TGA630S 7 1 2 Programming using the Direct Commands ...
Страница 35: ...35 KX TG6321S KX TG6323PK KX TGA630S ...
Страница 36: ...36 KX TG6321S KX TG6323PK KX TGA630S 7 2 Error Messages ...
Страница 37: ...37 KX TG6321S KX TG6323PK KX TGA630S 7 3 Troubleshooting ...
Страница 38: ...38 KX TG6321S KX TG6323PK KX TGA630S ...
Страница 39: ...39 KX TG6321S KX TG6323PK KX TGA630S ...
Страница 40: ...40 KX TG6321S KX TG6323PK KX TGA630S ...
Страница 69: ...69 KX TG6321S KX TG6323PK KX TGA630S ...
Страница 70: ...70 KX TG6321S KX TG6323PK KX TGA630S 11 1 2 Handset ...
Страница 71: ...71 KX TG6321S KX TG6323PK KX TGA630S 11 1 3 Charger Unit ...
Страница 72: ...72 KX TG6321S KX TG6323PK KX TGA630S 11 2 How to Replace the Handset LCD ...
Страница 86: ...86 KX TG6321S KX TG6323PK KX TGA630S Memo ...
Страница 90: ...90 KX TG6321S KX TG6323PK KX TGA630S Memo ...
Страница 99: ...99 KX TG6321S KX TG6323PK KX TGA630S 15 3 Explanation of IC Terminals RF Part 15 3 1 IC701 ...