Audio Sinad Measurement Example - Agilent Technologies PSA Series Manual

Making Measurements
Audio SINAD Measurement
Step 6. To adjust the measurement settings, press
1. To change the average number between
When setting to
default number is 25 when switching to
during the average period, wait until the averaging is done or the next
averaging period starts.
2. To change the average mode, toggle the
Repeat
Step 7. To adjust the display, press
1. Press the
setting is
2. Press the
setting is
3. Press the
input the reference value and unit. When the reference is set to 0 or the
measurement result is 0 under log ratio mode, the result displayed is "- - -".
4. Press the

Audio SINAD Measurement Example

Figure 3-27 Audio SINAD Measurement Result
Signal Under Test:
Audio Frequency: 1000 Hz; Amplitude: 1 Vp; Modulation: Off.
In this example, the measured Audio SINAD is 73.189 dB.
118
, enter the number. The default average setting is
On
. The default average mode is
AMPLITUE/Y Scale
key and select a display unit key. The default
Display Unit
.
dB
key to toggle between
Display Mode
.
Normal
key to toggle between
Ratio Ref
key to toggle between
Ratio Mode
, then:
Meas Setup
and , press the
On Off Avg Number
. When the input signal is changed
On
key between
Avg Mode
.
Repeat
, then:
and
Normal Ratio
and . When you select
Auto Man
and .
Log Linear
key.
and the
Off
and
Exp
. The default
,
Man
Chapter 3