
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KX-TG4011N/KX-TG4012N/KX-TG4013N/KX-TGA402N
4.1.3.
Signal Flowchart in the Radio Parts
Reception
A voice signal from TEL line is encoded to digital data "TXDATA" by BBIC (IC501) in a base unit.
Then TXDATA goes to RF PART and it's modulated to 1.9 GHz. The RF signal is amplified and fed to a selected antenna.
As for a handset RF, RF signal is received in one antenna.
BBIC down-converts to 864 kHz IF signal from RX signal and demodulates it to digital data "RXDATA".
BBIC (IC1) converts RXDATA into a voice signal and outputs it to speaker.
Transmission
A voice signal from microphone is encoded to digital data "TXDATA" by BBIC (IC1) in a handset.
Then TXDATA goes to RF PART, and it's modulated to 1.9 GHz. The RF signal is amplified and fed to a antenna.
As for a base unit RF, RF signal is received in two antennas.
BBIC (IC501) compares RF signal levels and selects the antenna to be used. Then BBIC down-converts to 864 kHz IF signal
from RX signal in the selected antenna, and demodulates it to digital data "RXDATA".
BBIC (IC501) converts RXDATA into a voice signal and outputs it to TEL line.
Summary of Contents for KX-TG4011N
Page 2: ...2 KX TG4011N KX TG4012N KX TG4013N KX TGA402N ...
Page 23: ...23 KX TG4011N KX TG4012N KX TG4013N KX TGA402N 4 9 Signal Route RF part signal route ...
Page 27: ...27 KX TG4011N KX TG4012N KX TG4013N KX TGA402N 8 1 2 Handset ...
Page 42: ...42 KX TG4011N KX TG4012N KX TG4013N KX TGA402N 11 1 2 Handset ...
Page 43: ...43 KX TG4011N KX TG4012N KX TG4013N KX TGA402N 11 1 3 Charger Unit ...
Page 72: ...72 KX TG4011N KX TG4012N KX TG4013N KX TGA402N 16 3 Cabinet and Electrical Parts Charger Unit ...
Page 74: ...74 KX TG4011N KX TG4012N KX TG4013N KX TGA402N 16 4 2 KX TG4012N ...
Page 75: ...75 KX TG4011N KX TG4012N KX TG4013N KX TGA402N 16 4 3 KX TG4013N ...