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Table
2.1
(Continued)
Characteristic
Perf
ormance
Requirement
Supplemental
Information
I nitial
Accuracy (continued)
Bands
1&
5-12
with
SPAN/DIV
(200
kHz,
and
Bands
2-4
with
SpAN/DlV
(100
kHz
(1st
LO locked)
t{20%D
+
(cF x
REF) +
(2N
+
25)Hz)
Where:
D
-
SPAN/D|V
or
RESOLUTTON
BANDWIDTH,
whichever is
greater
CF
:
Center
Frequency
REF
Reference
Frequency
Error
N
:
Harmonic
Number
Refer
to
lF
Frequency,
LO
Range,
and Harmonic
Number
specification
later in
this table
for
the N value
Drift
After
30 minute
warm
up
Bands 1
&
5-12
with
SPANiDIV
>200
kHz,
and
Bands
2-4 with
SPAN/D|V
>100
kHz
(1st
LO
unlocked)
With
constant
ambient
temperature
and fixed center frequency
Correction will
occur at
the end of
the
sweep
for sweep
times
>5
s/div
<(25
kHz)N
per
minute
Bands
1
&
5-12
with
SPAN/DIV
(200
kHz,
and
Bands
2-4 with
SPAN/DtV
(100
kHz
(1st
LO
locked)
<150
Hz
per
minute
After
t hour warm
up
Bands
1&
5-12 with
SPAN/DIV >200
kHz,
and
Bands
2-4 with
SpAN/DtV
>100
kHz
(1st
LO
unlocked)
<(5
kHz)N
per
minute
Bands
1&
5-12
with
SPAN/DIV
(200
kHz,
and
Bands
2-4 with
SPANiD|V
(100
kHz
(1st
LO
locked)
(50
Hz
per
minute
Readout
Resolution
At
least
10% of
SPAN/DIV
Signal Counter
Accuracy (with
span
to resolu-
tion bandwidth
ratios
(10:1)
*{(F
x
REF) +
(10
+ 2N)Hz +
lLSD}
Where:
F
-
Center or
Marker Frequency
and
LSD
REF
Reference
Frequency
Error
N
-
Harmonic
Number
LSD
:
Least
Significant Digit
Refer
to
lF Frequency,
LO
Range,
and
Harmonic
Number specification
later in
this table for the N value
Count
at center, marker,
or
delta
markers
a
o
a
I
'o
a
a
a
o
o
O
a
o
a
a
O
o
o
o
a
I
o
o
o
o
a
o
o
o
o
I
o
e
o
o
I
o
o
a
a
o
o
o
a
Specffication
-
494A1494Ap
Service,
Vol.
1
FREQUENCY
RELATED
CHARACTERISTICS