Noise in solid state devices and circuits
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Cites background or methods from "Noise in solid state devices and ci..."
...(a) Standard representation, as found in [20]....
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...Contours of constant noise figure relating and PD , for L = 0:35 m; Rs = 50 ; !0 = 10 Grps, Vdd = 1:5 V, = 2:5 [1], = 5:0; jcj = 0:395 [20], sat = 1 10 m/s, and "sat = 4:7 10 V/m [22]....
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...Although absent from most (if not all) texts on CMOS circuit design, gate noise is given detailed treatment by van der Ziel [20]....
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...The gate noise is partially correlated with the drain noise, with a correlation coefficient given by [20]...
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...4 Our notation differs slightly from that found in [20], in which is used in place of ....
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Cites background or methods from "Noise in solid state devices and ci..."
...Like , the value of also increases in shortchannel devices and at high and . Since the gate-induced noise current has a correlation with the channel noise current, a correlation coefficient is defined as follows [ 9 ]:...
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...With technology scaling, the ratio stays nearly constant at 2 [3], [ 9 ], becomes lower than 1 [28], and is slightly higher than 0.4 (e.g., with 0.25- m technology [29]), such that the constant is expected to become closer to 1. Therefore, from (13) and (14), it can be seen that the inductive source degeneration helps to bring the point close to the optimum source impedance point while causing no degradation in and . This characteristic ......
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...In Fig. 1(b), represents the mean-squared channel thermal noise current, which is given by [ 9 ]...
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...With long channel devices, can be predicted theoretically as [ 9 ]....
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...As in [ 9 ], the mean-squared gateinduced noise current is given by...
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