EPR-000014 Datasheet, PDF (19/28 Pages) Power Integrations, Inc. – Engineering Prototype Report - 3 W Universal Input TinySwitch-II TNY264 Power Supply

22-Feb-2002
EPR-000014 – 9 V, 0.33 A, 3 W TNY264 Adapter
9.1.1 DC Ripple Measurement Technique
Details of output ripple probe are provided below. Decoupling capacitors are included to
minimize the effects of high frequency probe coupling and ensure a consistent
measurement setup.
Probe RTN
Probe Tip
Figure 15. Tektronix P6105A Oscilloscope Probe with Probe
Master 5125BA BNC adapter, modified with wires for Probe Ground
for ripple measurement. Two parallel decoupling capacitors have
been added (1.0 µF, 50 V aluminum electrolytic and a 0.1 µF, 50 V
ceramic)
Page 19 of 28
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