Pre-emphasis drive circuit based on cascade pseudo-differential structure
A driving circuit, cascode technology, applied in the direction of logic circuit, logic circuit coupling/interface using field effect transistor, logic circuit connection/interface layout, etc. Meet different environments and other problems, and achieve the effect of meeting environmental requirements, simple circuit structure, and high output flexibility
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Embodiment 1
[0018] Embodiment one: if figure 1 As shown, a pre-emphasis driving circuit based on a cascode pseudo-differential structure includes a bias circuit, a first MOS transistor M1, a second MOS transistor M2, a third MOS transistor M3, a fourth MOS transistor M4, and a fifth MOS transistor M4. MOS tube M5, sixth MOS tube M6, seventh MOS tube M7, eighth MOS tube M8, ninth MOS tube M9, tenth MOS tube M10, eleventh MOS tube M11 and twelfth MOS tube M12, the first The MOS tube M1, the second MOS tube M2, the third MOS tube M3, the seventh MOS tube M7, the eighth MOS tube M8 and the ninth MOS tube M9 are all P-type MOS tubes, the fourth MOS tube M4, the fifth MOS tube M5, the sixth MOS tube M6, the tenth MOS tube M10, the eleventh MOS tube M11 and the twelfth MOS tube M12 are all N-type MOS tubes; the bias circuit has a power supply terminal, an input terminal, and a first bias voltage terminal , the second bias voltage terminal, the first voltage control terminal, the second voltage ...
Embodiment 2
[0019] Embodiment two: if figure 1 As shown, a pre-emphasis driving circuit based on a cascode pseudo-differential structure includes a bias circuit, a first MOS transistor M1, a second MOS transistor M2, a third MOS transistor M3, a fourth MOS transistor M4, and a fifth MOS transistor M4. MOS tube M5, sixth MOS tube M6, seventh MOS tube M7, eighth MOS tube M8, ninth MOS tube M9, tenth MOS tube M10, eleventh MOS tube M11 and twelfth MOS tube M12, the first The MOS tube M1, the second MOS tube M2, the third MOS tube M3, the seventh MOS tube M7, the eighth MOS tube M8 and the ninth MOS tube M9 are all P-type MOS tubes, the fourth MOS tube M4, the fifth MOS tube M5, the sixth MOS tube M6, the tenth MOS tube M10, the eleventh MOS tube M11 and the twelfth MOS tube M12 are all N-type MOS tubes; the bias circuit has a power supply terminal, an input terminal, and a first bias voltage terminal , the second bias voltage terminal, the first voltage control terminal, the second voltage ...
Embodiment 3
[0021] Embodiment three: as figure 1 As shown, a pre-emphasis driving circuit based on a cascode pseudo-differential structure includes a bias circuit, a first MOS transistor M1, a second MOS transistor M2, a third MOS transistor M3, a fourth MOS transistor M4, and a fifth MOS transistor M4. MOS tube M5, sixth MOS tube M6, seventh MOS tube M7, eighth MOS tube M8, ninth MOS tube M9, tenth MOS tube M10, eleventh MOS tube M11 and twelfth MOS tube M12, the first The MOS tube M1, the second MOS tube M2, the third MOS tube M3, the seventh MOS tube M7, the eighth MOS tube M8 and the ninth MOS tube M9 are all P-type MOS tubes, the fourth MOS tube M4, the fifth MOS tube M5, the sixth MOS tube M6, the tenth MOS tube M10, the eleventh MOS tube M11 and the twelfth MOS tube M12 are all N-type MOS tubes; the bias circuit has a power supply terminal, an input terminal, and a first bias voltage terminal , the second bias voltage terminal, the first voltage control terminal, the second voltag...
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