matching of current mirror

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nsai

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hi everybody

i want to match a current mirror consists of 6 transistors
where transistor A has 5 fingers,B 12,c 6,d 3, e 3,f1

can anybody suggest me the better combination & if possible alternate combinations


one important query that how many ways a current mirror can be matched


thanks
sai
 

I will only suggest a simple connection. If transistor A is the diode-connected transistor you can match them as
Dummy,B(6), A(1), B(6), A(1), C(6), A(1), D(3), A(1), E(3), A(1), F(1),Dummy.
 

nsai said:
transistor A has 5 fingers,B 12,c 6,d 3, e 3,f1
can anybody suggest me the better combination & if possible alternate combinations
Click to expand...
This also depends on the W/L ratio. I'd suggest a rectangular array:

A A F A A A
B B B B B B
C C C C C C
B B B B B B
D E D E D E

... and dummies all around.
 

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