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CN-224233831-U - Control circuit capable of being compatible with multiple sound card chips

CN224233831UCN 224233831 UCN224233831 UCN 224233831UCN-224233831-U

Abstract

The utility model provides a control circuit capable of being compatible with various sound card chips, which comprises a power supply and a sound card compatible main control circuit, wherein the power supply is connected with the sound card compatible main control circuit, the input end of the sound card compatible main control circuit is connected with audio signal source input equipment, the output end of the sound card compatible main control circuit is connected with audio signal playing equipment, a sound card chip U9, a resistor R357, a capacitor C80 and a capacitor C81 are arranged in the sound card compatible main control circuit, 48 pins are arranged on the sound card chip U9, the 1 st pin of the sound card chip U9 is connected with the output end of the power supply, the 23 rd pin and the 24 th pin of the sound card chip U9 are connected with the output end of the audio signal source input equipment, and the 21 st pin and the 22 nd pin of the sound card chip U9 are connected with the input end of the audio signal playing equipment. The utility model has the beneficial effects that the control circuit can be simultaneously suitable for matching of three sound card chips, namely an ALC662 sound card chip, an ALC892 sound card chip and an ALC897 sound card chip.

Inventors

  • HUANG GENG
  • HUANG RUI
  • WANG TAO
  • ZHOU ZHENJIAN
  • LIAO AILIAN

Assignees

  • 深圳市英德斯电子有限公司

Dates

Publication Date
20260512
Application Date
20250429

Claims (6)

  1. 1. The control circuit capable of being compatible with various sound card chips is characterized by comprising a power supply and a sound card compatible main control circuit, wherein the output end of the power supply is in power supply connection with the sound card compatible main control circuit, the input end of the sound card compatible main control circuit is connected with audio signal source input equipment, the output end of the sound card compatible main control circuit is connected with audio signal playing equipment, a sound card chip U9, a resistor R357, a capacitor C80 and a capacitor C81 are arranged in the sound card compatible main control circuit, 48 pins are arranged on the sound card chip U9, the 1 st pin of the sound card chip U9 is connected with the output end of the power supply, the 23 rd pin and the 24 th pin of the sound card chip U9 are connected with the output end of the audio signal source input equipment, the 21 st pin and the 22 nd pin of the sound card chip U9 are connected with one end of the resistor R357, the other end of the resistor R357 is connected with the audio signal source input equipment, and the other end of the capacitor C25 of the sound card chip U9 is connected with the capacitor C80, and the other end of the capacitor C81 is connected with the other end of the capacitor C80.
  2. 2. The control circuit compatible with multiple sound card chips according to claim 1, wherein a resistor R358, a resistor R359, a capacitor C84, a capacitor C83, a resistor R356, a resistor R715 and a resistor R724 are further arranged in the sound card compatible main control circuit, a 13 th pin of the sound card chip U9 is further connected with one end of the resistor R358 and one end of the resistor R359, the other end of the resistor R358 and the other end of the resistor R359 are connected with an audio signal source input device, a 38 th pin of the sound card chip U9 is connected with one end of the resistor R715, the other end of the resistor R715 is connected with one end of the capacitor C83 and one end of the capacitor C84, a 40 th pin of the sound card chip U9 is connected with one end of the resistor R356, a 42 th pin of the sound card chip U9 is connected with one end of the resistor R724, and the other end of the capacitor C83 and the other end of the capacitor C84 are terminated with the other end of the capacitor C84.
  3. 3. The control circuit compatible with multiple sound card chips according to claim 2, wherein the sound card chip U9 has a model ALC662, the resistor R357 has a resistance of 5.1KΩ, the resistor R358 has a resistance of 20KΩ, the resistor R359 has a resistance of 10KΩ, the capacitor C80 has a capacitance of 10uF, the capacitor C84 has a capacitance of 10uF, the capacitor C83 has a capacitance of 0.1uF, the resistor R356 has a resistance of 20KΩ, the resistor R715 has a resistance of 0 Ω, and the resistor R724 has a resistance of 0 Ω.
  4. 4. The control circuit compatible with multiple sound card chips according to claim 2, wherein the sound card chip U9 has a model ALC892, the resistor R357 has a resistance of 5.1KΩ, the resistor R358 has a resistance of 20KΩ, the resistor R359 has a resistance of 10KΩ, the capacitor C80 has a capacitance of 22uF, the capacitor C84 has a capacitance of 22uF, the capacitor C83 has a capacitance of 0.1uF, the resistor R356 has a resistance of 20KΩ, the resistor R715 has a resistance of 0 Ω, and the resistor R724 has a resistance of 0 Ω.
  5. 5. The control circuit of claim 1, wherein a resistor R716, a resistor R721, a resistor R717, a resistor R719, a resistor R723, a resistor R720, a resistor R722, a capacitor C477, a capacitor C478, a magnetic bead B3, a resistor R718 and a capacitor C479 are further provided in the sound card compatible main control circuit, a first pin 4 of the sound card chip U9 is connected to one end of the resistor R716, a first pin 40 of the sound card chip U9 is connected to one end of the resistor R721, one end of the resistor R722, the other end of the resistor R721 is connected to an output end of the power supply, a first pin 18 of the sound card chip U9 is connected to one end of the magnetic bead B3, one end of the capacitor C477, one end of the capacitor C478, the other end of the magnetic bead B3 is connected to one end of the resistor R717, the other end of the resistor R717 is connected to a first pin 13 of the sound card chip U9, the first pin 40 of the sound card chip U9 is connected to one end of the resistor R716, the other end of the resistor R723 is connected to one end of the resistor R718, the other end of the resistor C719, the other end of the resistor R723 is connected to the other end of the resistor C719, and the other end of the resistor C78 is connected to the other end of the resistor C719.
  6. 6. The control circuit compatible with multiple sound card chips according to claim 5, wherein the sound card chip U9 has a model ALC897, the resistor R716 has a resistance of 1KΩ, the resistor R721 has a resistance of 10KΩ, the resistor R717 has a resistance of 10KΩ, the resistor R719 has a resistance of 10KΩ, the resistor R723 has a resistance of 10KΩ, the resistor R720 has a resistance of 20KΩ, the resistor R722 has a resistance of 20KΩ, the resistor R357 has a resistance of 20KΩ, the capacitor C477 has a capacitance of 4.7uF, the capacitor C479 has a capacitance of 4.7uF, the capacitor C478 has a capacitance of 0.1uF, the magnetic bead B3 has a value of 2A, the resistor R718 has a resistance of 0 Ω, and the capacitor C80 has a capacitance of 10uF.

Description

Control circuit capable of being compatible with multiple sound card chips Technical Field The utility model relates to the technical field of sound card circuits, in particular to a control circuit capable of being compatible with various sound card chips. Background Sound cards are the most fundamental component of multimedia technology, and are a piece of hardware for realizing the mutual conversion of sound waves/digital signals. Sound cards (english: soundCard) are also called audio cards, and harbor stands are also called sound cards. Sound cards are the most fundamental component in multimedia technology, and are a piece of hardware for implementing sound wave/digital signal interconversion. The basic function of the sound card is to convert the original sound signal from a microphone, a magnetic tape, a compact disk, output to an acoustic device such as an earphone, a speaker, a loudspeaker, a recorder, etc., or make a musical instrument make a wonderful sound through a musical device digital interface (MIDI). At present, the manufacture and use of sound cards have already been miniaturized, and most common are sound card chips of various types, such as an ALC662 sound card chip, an ALC892 sound card chip and an ALC897 sound card chip, which are common, and each type of sound card chip has respective advantages and disadvantages. In the use process of daily life, after the model of the sound card chip is selected, a corresponding peripheral circuit is configured for use according to the model of the sound card. Sometimes, due to the diversity of the user demands, considering that part of users need to use various sound card chips with different types at different times and in different environments, for example, one or more of an ALC662 sound card chip, an ALC892 sound card chip and an ALC897 sound card chip are used to realize better sound effects, but this needs to set a control circuit for each type of sound card chip to match for use, which is troublesome in operation and high in cost, and brings poor use experience to the users. Disclosure of utility model In order to solve the problems in the prior art, the utility model provides a control circuit capable of being compatible with multiple sound card chips, and the control circuit is suitable for matching use of three sound card chips of an ALC662 sound card chip, an ALC892 sound card chip and an ALC897 sound card chip simultaneously by arranging a power supply and a sound card compatible main control circuit which are mutually matched in the control circuit capable of being compatible with the multiple sound card chips, so that the use experience of a user is greatly improved, and the problem that the operation trouble is caused by the fact that peripheral control circuits are required to be respectively arranged independently for matching use when the ALC662 sound card chip, the ALC892 sound card chip and the ALC897 sound card chip are switched in the prior art is solved. The utility model provides a control circuit capable of being compatible with multiple sound card chips, which comprises a power supply and a sound card compatible main control circuit, wherein the output end of the power supply is in power supply connection with the sound card compatible main control circuit, the input end of the sound card compatible main control circuit is connected with audio signal source input equipment, the output end of the sound card compatible main control circuit is connected with audio signal playing equipment, a sound card chip U9, a resistor R357, a capacitor C80 and a capacitor C81 are arranged in the sound card compatible main control circuit, 48 pins are arranged on the sound card chip U9, the 1 st pin of the sound card chip U9 is connected with the output end of the power supply, the 23 rd pin and the 24 th pin of the sound card chip U9 are connected with the output end of the audio signal source input equipment, the 21 st pin and the 22 nd pin of the sound card chip U9 are connected with one end of the resistor R357, the other end of the resistor R357 is connected with the audio signal source input equipment, and the other end of the capacitor C25 th pin of the sound card chip U9 is connected with the capacitor C80, and the other end of the capacitor C81 is connected with the other end of the capacitor C80. The utility model further improves, a resistor R358, a resistor R359, a capacitor C84, a capacitor C83, a resistor R356, a resistor R715 and a resistor R724 are also arranged in the sound card compatible main control circuit, the 13 th pin of the sound card chip U9 is also connected with one end of the resistor R358 and one end of the resistor R359, the other end of the resistor R358 and the other end of the resistor R359 are connected with audio signal source input equipment, the 38 th pin of the sound card chip U9 is connected with one end of the resistor R715, the other end of the resistor R715 is connected with one end of the capaci