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| LeCroy AP031 - Replacement Model |
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| Martin72:
I got one of them at home, this here... We have appx 10..12pcs and some higher testec models with more bandwith/higher voltage. |
| 2X:
Shines Quality... One more question... On probe characteristics I see "Max. Input Voltage Differential Mode" &" Max. Input Voltage Common Mode". What is the difference? As I understand "Max. Input Voltage Differential Mode" refered when we measure a load at his two leads (potential difference), but what mean with common mode? |
| Martin72:
Hi, Maybe this helps: |
| Sighound36:
Sorry a shamless plug here, I have a new used Lecroy AP031 HDVP still in original box with cal certifiate. still make a sensible offer and it can be yours https://www.eevblog.com/forum/buysellwanted/teledyne-lecroy-ap-031-hvdp/msg4877801/#msg4877801 Martin is correct Lecroy mooved on these units about 8 years ago https://www.teledynelecroy.com/probes/high-voltage-differential-probes |
| alm:
--- Quote from: 2X on July 11, 2023, 08:47:13 pm ---Do you beleive lecroy is higher in quality than the testec? --- End quote --- The CMRR (common mode rejection ratio) at high voltages will likely be better on the Lecroy probes (ADP30x or HVDP, not the rebadged one). See this post by someone who was a project manager on the Tektronix high voltage differential probe which was designed by the same person who designed the Lecroy ADP30x. Whether that is important for your application is not clear from your description. Is there even a common signal to worry about? Do you need a differential probe to measure the CCFL output or could a passive high voltage probe like Testec TT-HV 150 / TT-HV 250 also do the job? |
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