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Unformatted text preview: 1 1 1 1 2 1 1 -+ + + = A BE O REF O V V V m m I I 1 * 1 1 3 Current Steering I REF = (V CC + V EE- V EB1- V BE2 ) / R If All Q Have Same Area I 1 = I REF I 2 = I REF I 3 = 2 I REF I 4 = 3 I REF Figure 6.11 Generation of a number of constant currents of various magnitudes. Sedra/Smith...
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- Spring '09