Illustration 4
R1 R2 Vinstrument
2k 2k Vsupply/2
2k 1k Vsupply/3
6.8k 1k ~Vsupply/8
The table and formula are valid under the assumption that the instrument's input
resistance is higher than
50 kOhms. Otherwise, Vinstrument will be lower than shown in the table or calculated
with the formula.
*If possible, the circuit of Illustration 2 should be used.
3 Signal connections | 15
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