Section I
Model
3580A
Table 1-1- Specifications.
FREQUENCY
Frequency Dial
Accuracy:
±
100
Hz,
20°C
to
30°C;
±
300
Hz,
0°C
to
55°C
Display Accuracy: Frequency error between any
two
points is
less
than ±
2%
of
their
indicated separation.
Bandwidths:
(accuracy
± 15%)
1 Hz 3 Hz
10
Hz 30 Hz
100
Hz
300
Hz
~
(25 C ± 5 C)
AMPLITUDE
Amplitude
Accuracy:
Log
Frequency Response:*
20
Hz-20
kHz
±
0.3
dB
5
Hz-50
kHz
± 0.5
dB
Switching Between Bandwidths (25°C):
3
Hz-300
Hz ±
0.5
dB
1
Hz-300
Hz ± 1
dB
Amplitude
Display:
Input
Attenuator:
Amplitude
Reference Level:
(I
F attenuator)
± 2
dB
±
0.3dB
Linear
±
3%
±
5%
±
5%
±10%
±
2%
±
3%
most sensitive range ± 1
dB
± 10%
all
other
ranges ± 1
dB
±
3%
*Standard
3580A
and
Option
002
unbalanced
input.
Dynamic
Range:
Display Range (Log
10
dB
mode): >
80
dB
Noise Level:
"Noise
level is measured
with
50 ohms placed
across the
input
terminals. On the
30
to
300
Hz band-
width
use
maximum
display
smoothing. The noise level
as
a
function
of
frequency
is:"
(Refer
to
noise
vs
frequency
graph).
~
-140~
lJl
(IOOnV)
6
z
10
100
Distortion
(THO
and
IM):
BW•
I
Hz
lk
FREQUENCY
I Ok
Std
3580A:
>
80
dB
below
input
reference level.
IOOk
3580A-8-3565
Option
002:
>
80
dB
below
input
reference level
for
signals
below
0
dBm
and above 100 Hz.
Spurious Responses: >
80
dB
below
input
reference level
Line Related Spurious: >
80
dB
below
input
reference level
or
- 140
dBV
(0.1
µV)
Below
-90
dBm
for
Option
002
Balanced-Terminated
In-
put.
IF
Feedthru:
Feedthru
Input
>
10V
<
10V
-
60
dB
or
lower
-
70
dB
or
lower
Zero Response: > 30
dB
below
input
reference level
Noise Sidebands
(1
Hz
Bandwidth):
more than 70
dB
below
peak
of
CW
signal ±
10
Hz away
from
center
of
response.
SWEEP
Sweep Times:
0.1
sec
to
2,000
sec
Accuracy: ±
5%
Log
Sweep:
20
Hz
to
43
kHz
, Accuracy: ± 20%
after
3
continuous
sweeps
BALANCED
INPUT
(Option
002
only)
Frequency Response.'1
1
: ±
0.5
dB,
40
Hz
to
20
kHz
for
signals
below+
20
dBm.
Common
Mode Rejection: >
70
dB
at
60
Hz
OUTPUTS
Recorder
Outputs:
X-Axis:
0 V
to
+ 5 V ± 2.5%
Y-Axis:
0 V
to+
5 V ± 2.5%
Tracking
Oscillator
Output:
Frequency Response:
Std
3580A:
± 3%, 5
Hz
to
50
kHz
Opt.
002:
± 0.5
dB,
100 Hz
to
Reference,
600
.n
load.
20
kHz,
10
kHz
Frequency Accuracy: ±
2'.5
Hz relative
to
center
of
passband
L.O.
Output:
Frequency
of
output
signal varies
from
1.0
MHz
to
1
.5
MHz
as
analyzer frequency
is
tuned
from
0 Hz
to
50
kHz
Frequency Accuracy: The tuned frequency can
be
read
to
an
accuracy
of
± 5 Hz using
an
external counter .
.'11
Serial
No.
1312A-00465
and
below:
Change Frequency Response Specification
to±
0.5
dB,
300
Hz
to
20
kHz.
1-0
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