Viewing An Unstable Signal Using Max Hold A - HP 8590 E-Series User Manual

Figure 3-10. Viewing an Unstable Signal Using Max Hold A
Annotation on the left side of the screen indicates the trace mode. For example,
indicates trace A is in maximum-hold mode, trace B and trace C are in store-blank mode.
See "Screen Annotation" in Chapter 2.
CLEAR WRITE B
Press
measurement results as it sweeps. Trace A remains in maximum-hold mode, showing the
frequency shift of the signal.
to select trace C (C should be underlined). Press
is in the minimum-hold mode and displays the minimum amplitude of the frequency drift of
the signal.
REF -40 0 d&n XATTEN 0 dB
LOG
10
C E N T E R 1 0 4 8 8 1 3 MHz
Figure 3-11. Viewing an Unstable Signal With Max Hold, Clear Write, and Min Hold
C E N T E R 1 0 4 8813 MHz
0
to select trace B. (Trace B is selected when
to place trace B in clear-write mode, which displays the current
0
M K R 1 0 4 . 8 8 1 3 M H z
S P A N 5 0 0 . 0 kHz
B
is underlined.)
MIN HOLD C
M K R 1 0 4 . 8 8 1 3 MHZ
- 4 7 04 dRm
I
S P A N 5 0 0 . 0 kHr
Making Basic Measurements
MA SB SC
. Trace C