All Questions
Tagged with function-generator impedance
8 questions
13
votes
4
answers
2k
views
Do 50 Ω signal generators have a series resistor or not?
I am wondering about something really simple and silly.
If functions generators have an internal series 50 Ω termination, then they would produce only half the set amplitude over a matched load.
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- 23.4k
0
votes
1
answer
115
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Attaching Lower Impedance Part to a Function Generator
If a speaker with a hypothetical 3 ohm impedance is attached a signal generator with an output impedance of 50 ohms, will the speaker draw too much current, and overload the signal generator?
- 260
0
votes
1
answer
93
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Questions regarding AFG3000C function generator
I have a new function generator - model AFG3000C.
I am having difficulty in understanding certain terms related to this function generator.
I have tried online searches, but I couldn't get what I ...
user220456
1
vote
4
answers
653
views
High output impedance from voltage source to a low pass filter?
I'm a first year EEE undergrad student. One of my labs was about low-pass filters (simple RC ones). When connecting the voltage source to the low pass filter circuit, the instructions (of the lab ...
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2
votes
1
answer
778
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Impedance of BNC vs output impedance of function generator
I'm a bit confused on output impedance of function generator and coaxial cable impedance.
Consider a function generator with output impedance of \$50 \Omega\$. Suppose that I connect to it a BNC \$...
- 309
1
vote
1
answer
1k
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Function generator output voltage
In a function generator, when I set Zout to be 50 Ohm, and Vpp is 1V. Is this Vsource, or the Vload when I have a matching load of 50 Ohm?
simulate this circuit – Schematic created using ...
- 235
0
votes
2
answers
3k
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Voltage drops when a signal is fed into op-amp comparator
I have a function generator SFG-2110 from GW Instek. I set it to generate a square wave with max/min of aroudn +- 1 V. And I checked with an oscilloscope.
However, when I connected outputs of the ...
- 749
1
vote
1
answer
701
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Impedance for Helmholtz Coil Connected to Audio Amplifier
I am trying to design a Helmholtz coil, that will have an impedance of about 2 ohms (the reason for this being that I am going to hook it up to a audio power amplifier, so to get the same wattage ...
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