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KX-TG6381LBB/KX-TG6381LBS/KX-TG6382LBB/KX-TGA632LBB/KX-TGA632LBS
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-TG6381LBB
Страница 2: ...2 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS ...
Страница 26: ...26 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 4 10 Signal Route RF part signal route ...
Страница 33: ...33 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 7 3 Error Messages ...
Страница 34: ...34 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 7 4 Troubleshooting ...
Страница 35: ...35 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS ...
Страница 36: ...36 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS ...
Страница 57: ...57 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS ...
Страница 58: ...58 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 11 1 2 Handset ...
Страница 59: ...59 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 11 1 3 Charger Unit ...
Страница 60: ...60 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 11 2 How to Replace the Handset LCD ...
Страница 69: ...69 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS Memo ...
Страница 74: ...74 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS Memo ...
Страница 78: ...78 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS Memo ...
Страница 96: ...96 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 16 4 2 KX TG6382LBB ...
Страница 97: ...97 KX TG6381LBB KX TG6381LBS KX TG6382LBB KX TGA632LBB KX TGA632LBS 16 4 3 KX TGA632LBB LBS ...