We have fabricated matched pairs of cryogenic field-effect transistors with input charge sensitivity q(n)=0.01 e/root Hz at T = 1.3 K, low input capacitance 0.4 pF, and extremely high input resistance in excess of 10(15) Omega. Low leakage permits dc charge-coupled operation for times up to similar to 10(3) s. The channel noise is characterized by a flat spectrum at high frequencies, and 1/f noise below a corner frequency f(c)<1 kHz. These devices can resolve charge differences as small as q(n) root f(c)=0.4e.
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Univ Teknol Malaysia, Fac Elect Engn, Skudai 81310, Johor, MalaysiaUniv Teknol Malaysia, Fac Elect Engn, Skudai 81310, Johor, Malaysia
Leong, Chie Hou
Chin, Huei Chaeng
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Univ Teknol Malaysia, Fac Elect Engn, Skudai 81310, Johor, MalaysiaUniv Teknol Malaysia, Fac Elect Engn, Skudai 81310, Johor, Malaysia
Chin, Huei Chaeng
Ang, Chin Wei
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Univ Teknol Malaysia, Fac Elect Engn, Skudai 81310, Johor, MalaysiaUniv Teknol Malaysia, Fac Elect Engn, Skudai 81310, Johor, Malaysia
Ang, Chin Wei
Ng, Chin Khai
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Univ Teknol Malaysia, Fac Elect Engn, Skudai 81310, Johor, MalaysiaUniv Teknol Malaysia, Fac Elect Engn, Skudai 81310, Johor, Malaysia
Ng, Chin Khai
Najam, Faraz
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Hankyong Natl Univ, Dept Elect Elect & Control Engn, Anseong 456749, South Korea
Hankyong Natl Univ, IITC, Anseong 456749, South KoreaUniv Teknol Malaysia, Fac Elect Engn, Skudai 81310, Johor, Malaysia
Najam, Faraz
Lim, Cheng Siong
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Univ Teknol Malaysia, Fac Elect Engn, Skudai 81310, Johor, MalaysiaUniv Teknol Malaysia, Fac Elect Engn, Skudai 81310, Johor, Malaysia
Lim, Cheng Siong
Tan, Swee Ching
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Natl Univ Singapore, Fac Engn, Dept Mat Sci & Engn, 9 Engn Dr 1, Singapore 117575, SingaporeUniv Teknol Malaysia, Fac Elect Engn, Skudai 81310, Johor, Malaysia
Tan, Swee Ching
Tan, Michael Loong Peng
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Univ Teknol Malaysia, Fac Elect Engn, Skudai 81310, Johor, MalaysiaUniv Teknol Malaysia, Fac Elect Engn, Skudai 81310, Johor, Malaysia
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Univ Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R ChinaUniv Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R China
Yang, Zhenyi
Siu, Sik-Lam
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Univ Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R China
Canaan Semicond Ltd, Fotan, Hong Kong, Peoples R ChinaUniv Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R China
Siu, Sik-Lam
Tam, Wing-Shan
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Canaan Semicond Ltd, Fotan, Hong Kong, Peoples R ChinaUniv Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R China
Tam, Wing-Shan
Kok, Chi-Wah
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Canaan Semicond Ltd, Fotan, Hong Kong, Peoples R ChinaUniv Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R China
Kok, Chi-Wah
Leung, Chi-Wah
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Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Hong Kong, Peoples R ChinaUniv Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R China
Leung, Chi-Wah
Lai, P. T.
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Univ Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R ChinaUniv Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R China
Lai, P. T.
Wong, Hei
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City Univ Hong Kong, Dept Elect Engn, Kowloon, Hong Kong, Peoples R ChinaUniv Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R China
Wong, Hei
Tang, Wing-Man
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Hong Kong Polytech Univ, Dept Appl Phys, Hong Kong, Hong Kong, Peoples R ChinaUniv Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R China
Tang, Wing-Man
Pong, P. W. T.
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Univ Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R ChinaUniv Hong Kong, Dept Elect & Elect Engn, Hong Kong, Hong Kong, Peoples R China