Hi-Fi Walkman Set
Source: InternetPublisher:toothache Keywords: hi-fi antenna socket headphones Updated: 2021/03/19
In addition to being used for playback, this unit is also designed with a set of auxiliary input sockets xs, which can be connected to other audio sources such as CD players. The circuit
principle is shown in Figure 5-135. 6 Considering that many Walkmans have FM/AM radio functions, and the antenna for FM radio is used as a
headphone cable, in order to retain the function of the headphone as an antenna , input on this unit The socket is connected with three inductor coils ll, 1_2, and
l-3. These three coils have low impedance to audio signals with lower frequencies, and the audio signals can pass smoothly. For FM signals with higher frequencies
, the impedance is very high, which plays the role of blocking high frequencies and passing low frequencies.
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