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Demo Guide
Keysight Technologies Sourcing Clean Voltage Using B2961A/62A With External Filters
B2961A/62A 6.5 Digit Low Noise Power Source

Procedure overview Required instrument and accessory
1. Turn on Show output noise without external filter
2. Show output noise via Low Noise Filter N1294A-021Ultra
Banana-to-BNC
3. Show output noise via Ultra Low Noise Filter Low Noise Filter
Adapter
(ULNF)

Objective
Keysight B2961A/62A Keysight Oscilloscopes
This demo shows excellent low noise output capability 6.5 Digit Low Noise (MSO-X 4000 Series N1294A-022 Low
BNC Cable
of the B2961A/62A Power Source with external filters by Power Source is shown) Noise Filter (LNF)
monitoring the outputs through the oscilloscope.

Note: When the filters are attached to the output terminals later, B2961A/62A Power Source
push them in firmly until it locks in-place c. Rotate to select Low terminal state and press to
1. Attach a banana-to-BNC adapter to the B2961A/62A's Ch1
There is no space between There is some space High/Low Force Terminals edit it. Then select to set Low terminal state to
the adaptor and the between the adaptor and 2. Connect the scope's Ch1 and BNC terminal of the banana-to- Floating.
output terminals the output terminals BNC adapter with a BNC cable.
d. Press to make the modification effective.
Oscilloscope Banana-to-BNC adapter B2961A/62A
(1) Press OK to make Low terminal status indicator
the modification effective
Proper connection Improper connection



Setup BNC cable

Oscilloscope setup
1. Set vertical scale of Ch1, horizontal scale to 5 mV/div, 5 ms/div. 1. Show output noise without external filter
2. Set Ch1 Input Impedance to 50 Ohm and BW Limit enabled.
3. Select "AC RMS