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JPH10242786

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DESCRIPTION JPH10242786
[0001]
[Industrial application field] related to audio and so on.
[0002]
2. Description of the Related Art A phase leading transformer one circuit.
[0003]
[Problems to be solved by the present invention] In order to average on a wide band.
[0004]
SUMMARY OF THE INVENTION A phase advance circuit in which a phase advance transformer 3
stage 1 and a phase advance transformer 2 stage 2 are connected in series and a resistor 8 is
connected to the open end.
[0005]
[Operation] The phase advances on a broad band on average.
[0006]
09-05-2019
1
DESCRIPTION OF THE PREFERRED EMBODIMENT The output of the operational amplifier 3 is
connected to a series connection of phase advance transformers 1 and 2 through a resistor 4 and
a resistor 8.
NF circuit with resistor 5, capacitor 6, and resistor 7.
[0007]
[Effect of the invention] The sound seems to come out before.
[0008]
Brief description of the drawings
[0009]
Drawing 1 circuit diagram.
[0010]
Drawing 2 example
[0011]
Explanation of sign
[0012]
1 phase advance phase transformer 3 stages 2 phase advance phase transformer 2 stages 3
operational amplifier 4 resistance 5 resistance 6 capacitor 7 resistance 8 resistance
09-05-2019
2
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