ช้างเผือก
Categories
Statistics
Since 08.08.2014
Counts only, if "DNT = disabled".
216.73.217.6
216.73.217.6
Counts only, if "DNT = disabled".
216.73.217.6
216.73.217.6
Info
เราจะทำแบบวิศวกรผู้ยิ่งใหญ่
7. July 2026
YOUR OPINION •••
average: 0.001, n: 0
When using this form, your ip is stored in order to avoid multiple voting on the same website. That's it.
When using this form, your ip is stored in order to avoid multiple voting on the same website. That's it.
PowerSupplyRippleNoise.php 12204 Bytes 04-03-2025 19:13:22
Power Supply Ripple and Noise
Definition, Measurement Setup and Results
The Setup : An AC Source with an Electronic Load and a Picosope
✈ What is Ripple and what is Noise ???
Ripple is everything connected to the frequency charging / discharging the storage element.
In a linear Power Supply this is very likely 50 Hz, 100 Hz, 150 Hz, ...
Noise is everything else.
If you want a more extended explanation, listen to Dave.
Noise is everything else.
If you want a more extended explanation, listen to Dave.
✈ Results .:. PETH-20
| UNIT | RANGES • REMARKS |
| Specifications | +/- 15 V, 600 mA |
| Type | Dual Linear Power Supply |
| Worst Spur | -65.42 dBV @ 150 Hz (Ripple), negative branch |
| Load was | 15 V, 250 mA |
| Remarks | each branch tested single |
✈ Results .:. PETH-49
| UNIT | RANGES • REMARKS |
| Specifications | + 19 V, 2000 mA |
| Type | Single Linear Power Supply |
| Worst Spur | -39.58 dBV @ 50 Hz (Ripple) |
| Load was | 12.5 V, 800 mA |
| Remarks | Device in use for many years |
✈ Results .:. PETH-9910
| UNIT | RANGES • REMARKS |
| Specifications | + 8...16 V, 10 A |
| Type | Single Linear Power Supply |
| Worst Spur | -68.29 dBV @ 150 Hz (Ripple) |
| Load was | 13.8 V, 2500 mA |
| Remarks | ... |
✈ Results .:. Straton 3240.2
| UNIT | RANGES • REMARKS |
| Specifications | + 8...16 V, 5 A |
| Type | Single Linear Power Supply |
| Worst Spur | -58.53 dBV @ 150 Hz (Ripple) |
| Load was | 13.7 V, 2840 mA |
| Remarks | Commercial Equipment |
✈ Results .:. VOLTCRAFT VLP2430
| UNIT | RANGES • REMARKS |
| Specifications | + 0...40 V, 3 A |
| Type | Double Linear Power Supply |
| Worst Spur | -58.71 dBV @ 150 Hz (Ripple) |
| Load was | 15 V, 1250 mA |
| Remarks | Commercial Equipment, only left branch tested |
✈ Results .:. TTI PL330
| UNIT | RANGES • REMARKS |
| Specifications | + 0...32 V, 3 A |
| Type | Single Linear Power Supply |
| Worst Spur | -70.61 dBV @ 150 Hz (Ripple) |
| Load was | 15 V, 1250 mA |
| Remarks | Commercial Equipment |
✈ Results .:. XP VCT60US24
| UNIT | RANGES • REMARKS |
| Specifications | + 24 V, 2.5 A |
| Type | Switch Mode Power Supply |
| Worst Spur | -62.9 dBV @ 206.8 Hz |
| Load was | 24 V, 740 mA |
| Remarks | Commercial Equipment |
✈ Results .:. Keysight U8001A
| UNIT | RANGES • REMARKS |
| Specifications | 0...30 V, 3 A |
| Type | Unknown Mode Power Supply |
| Worst Spur | -71.99 dBV @ 150 Hz (Ripple) |
| Load was | 15 V, 1250 mA |
| Remarks | Commercial Equipment |
✈ Share your thoughts
The webmaster does not read these comments regularely. Urgent questions should be send via email.
Ads or links to completely uncorrelated things will be removed.
|
t1 = 7299 d
t2 = 329 ms |
★ ★ ★ Copyright © 2006 - 2026 by changpuak.ch ★ ★ ★
|
|
