Anritsu MS2665C - 6.5 Test group 3

SECTION 6 PERFORMANCE TESTS
6-27
Frequency measurement accuracy
Set the marker point to the position at least 20 dB higher than the noise (or adjacent interference signal) to
operate the built-in counter with the higher-S/N signal, and test the frequency measurement accuracy using
Count On mode.
(1) Specifications
• Accuracy: ≤ (Readout frequency × reference oscillator accuracy ± (1 count))
• Resolution: 1 Hz, 10 Hz, 100 Hz, 1 kHz
(2) Test instrument
• Signal generator: 69269A
• Frequency standard
(3) Setup
REF
IN
OUTPUT 500 MHz
RF Input
Coaxial adaptor
(N-PÆSMA-J)
Coaxial cable
(SMA connector)
Coaxial cable
(BNC connector)
69269A
Frequency standard
Frequency Measurement Accuracy Test
Stby
Shift
On
Preset
Menu On/Off
More
RBW VBW Sweep Time Atten
Local
Remote
F1
F2
F3
F4
F5
F6
Display
Coupled Function
MS2665C
Spectrum Analyzer
9kHz–21.2GHz
PTA Define
Memory Card
Enter
Hold
µv
µsec
EntryMarkerFreq/Ampl
7
Copy Cont
Copy
8 9 GHz
CE
4 5 6 MHz
BS
+/–
3
mV
msec
dBm
dB
V
sec
Cal Interface Mem Card
Sound System Title
1 2 kHz
0 • Hz
A/B.A/BG A/Time
Save
Recall
Amplitude
Span
Frequency
Measure
A.B Ti me Trig/Gate
Peak
Continuous
CF RLV Single
Marker
Peak
Search
Multi Mkr
Marker
User
RF Input 50Ω
+30dBm
0V DC Max