FAQ #13: Which measurements (Output impedance Vout/Iout, audio susceptibility Vout/Vin, input admitt
Which measurements (Output impedance Vout/Iout, audio susceptibility Vout/Vin, input admittance Iint/Vin and reverse transfer Iin/Iout,...
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Picotest
Jan 1, 20101 min read
FAQ #12: Is it possible to also measure the audio susceptibility (Vout/Vin) of a power supply with t
Is it possible to also measure the audio susceptibility (Vout/Vin) of a power supply with the current injector J2111A? Yes. The J2111A...
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Picotest
Jan 1, 20101 min read
FAQ #11: Are all of these devices compatible with our Hewlett Packard 4194A Impedance / Gain-Phase A
Are all of these devices compatible with our Hewlett Packard 4194A Impedance / Gain-Phase Analyzer? Yes. The Agilent (HP) analyzer will...
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Picotest
Jan 1, 20101 min read
FAQ #10: What are the main differences between J2100A injection transformer, J2110A solid state inje
What are the main differences between J2100A injection transformer, J2110A solid state injector and the J2111A current injector? The...
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Picotest
Jan 1, 20101 min read
FAQ #9: My Bode plot doesn’t look right, what am I doing wrong?
My Bode plot doesn’t look right, what am I doing wrong? The most common error made when measuring Bode plots is that the signal is too...
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Picotest
Jan 1, 20101 min read
FAQ #8: Why do I have to calibrate my measurements? Isn’t the equipment calibrated?
Why do I have to calibrate my measurements? Isn’t the equipment calibrated? Yes the devices are calibrated, however for accurate results...
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Picotest
Jan 1, 20101 min read
FAQ #7: How do I choose between the J2100A, J2101A and J2110A?
How do I choose between the J2100A, J2101A and J2110A? If you plan to measure PFC’s, then the J2100A is a good choice, whereas the J2110A...
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Picotest
Jan 1, 20101 min read
FAQ #6: Why do I need the J2111A if I already have an electronic load?
Why do I need the J2111A if I already have an electronic load? The J2111A is not the same as an electronic load. In many cases, the use...
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Picotest
Jan 1, 20101 min read
FAQ #5: How do I get a Bode plot with the J2111A?
How do I get a Bode plot with the J2111A? It is not possible to get a Bode plot using this method, only the phase margin; however it is...
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Picotest
Dec 31, 20091 min read
FAQ #4: Does the J2120A Line Injector work with negative supplies?
Does the J2120A Line Injector work with negative supplies? No. The J2120A is only for positive supplies and we do not currently offer a...
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Picotest
Dec 31, 20091 min read
FAQ #3: What is so special about an injection transformer and why should I buy one, it is pretty exp
What is so special about an injection transformer and why should I buy one, it is pretty expensive? A good injection transformer has high...
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Picotest
Dec 31, 20091 min read
FAQ #2: I see that with the J2111A can perform the “non-invasive stability” measurement. I don’t und
I see that with the J2111A can perform the “non-invasive stability” measurement. I don’t understand what we can take away about stability...
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Picotest
Dec 31, 20091 min read
FAQ #1: I would like to measure output impedance using the J2111A Current Injector, but the 25mA off
I would like to measure output impedance using the J2111A Current Injector, but the 25mA offset is way above my typical operating...
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