| 摘要 |
The transmitter driver receives codes for remote-controlling various electric devices in the learning mode and for remotecontrolling the devices according to the received remote control codes in the remote control mode. The driver has an output transistor for driving a transmitter constituting a part of a load upon reception of electrical pulses representing the remote control codes. A resister arranged between the output side of the output transistor and a given reference potenital is provided with control transistor, whose output electrodes are arranged between one end of the resistor at the side of the output transistor and the reference potencial.
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