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... 1) Design and construct either a high or low pass RC filter with a 3 dB point of about 600 Hz and a minimum impedance between 5 kΩ and 50 kΩ. Measure the frequency response (i.e. voltage gain and output voltage phase shift relative to the input voltage) of the filter you built in part 1) to a sine w ...
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Current source



A current source is an electronic circuit that delivers or absorbs an electric current which is independent of the voltage across it.A current source is the dual of a voltage source. The term constant-current 'sink' is sometimes used for sources fed from a negative voltage supply. Figure 1 shows the schematic symbol for an ideal current source, driving a resistor load. There are two types - an independent current source (or sink) delivers a constant current. A dependent current source delivers a current which is proportional to some other voltage or current in the circuit.
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