Evolve power amplifiers 

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D-NFB•ûŽ® 
2SJ200/2SK1529 ‹t—§‚¿Œ^ƒpƒ[ƒAƒ“ƒv‚ÌŽÀŒ±

 

 

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[2] J-FET

 

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[3]

 

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 D-NFB [4]

[4]

 

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[5]

[5]

 

40W - 0.006%

0.1Ħ - 1kHz - 8Ħ

30V - 12V - 0.025mV

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[6]

 

(RL=8Ħ,Po=1W)

100Hz 0.0015%
1kHz 0.0013%
10kHz 0.0080%
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[7]

VR1 100Ħ+430Ħ - kĦ - 0.005%(1kHz 1W)

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DODN-FB

DODN-FB (Distortion only dual negative feed back)

[8] DODN-FB - DC

 

(RL=8Ħ)

@ 1W 10W
100Hz 0.0010% 0.0068%
1kHz 0.0013% 0.0078%
10kHz 0.0058% 0.0420%

110ƒÊV (8ƒ¶ /Weight)
40W (f=1kHz/RL=8Ħ)
D.F=‡ (f=1kHz)

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