Agilent Technologies 4395A - Page 367

System
performance
with
Dierent T
est Sets
and Connector
Types
T
able 11-8.
Typical
System P
erformance
for
Devices
with
75

Type-N
Connectors
4395A
with 87512B
T
est
Set
(100
Hz
to
500
MHz)
Symbol Error
T
erms
Typical Residual
after
A
ccuracy
Enhancement
1 ,
2
One-P
ort
D Directivity 0
40
dB
(0.01)
M
s
Source
Match
0
25
dB
(0.056)
T
r
Reection
Tracking
6
0.83
dB
(0.1)
M
l
Load
Match
{
T
t
Trans
.
Tracking
{
C Cross
T
alk
{
R
r1
P
ort1 Re.
Connector
Repeatability
0
65 dB
(5.6 2
10
0
4
)
R
t1
P
ort1
Trans
.
Connector
Repeatability
0
65
dB
(5.6
2
10
0
4
)
R
r2
P
ort2
Re. Connector
Repeatability
0
65
dB (5.6
2 10
0
4
)
R
t2
P
ort2
Trans
.
Connector
Repeatability
0
65
dB
(5.6
2
10
0
4
)
N
l
Low-Level
Noise
2
0
104 dB
from
full
scale
at

100
kHz
(6.3
2
10
0
6
)
0
84
dB
from
full
scale
at <
100 kHz
(6.3 2
10
0
5
)
N
h
High
Level
Noise
2
,
3
0.003
dB
(3.5
2
10
0
4
)
A
m
,A
p
Dynamic
A
ccuracy
Error
See
\Dynamic
A
ccuracy"
in
Chapter
11.
U
m
,U
p
Multiplexer
Switching
Uncertainty
Magnitude:0.017
dB
(2
2
10
0
3
)
Phase:0.1
degrees
S
t1
P
ort1
Cable
Trans
.
Phase
Stability
4
[0.05
2
f(GHz)]
degrees
S
r1
P
ort1
Cable
Re.
Stability
4
0
70
dB
(3.2
2
10
0
4
)
S
t2
P
ort2
Cable
Trans
.
Phase
Stability
4
[0.05
2
f(GHz)]
degrees
S
r2
P
ort2
Cable
Re.
Stability
4
0
70
dB
(3.2
2
10
0
4
)
T
td
Trans
.
Tracking
Drift
Magnitude:
0.01
dB/

C
(1.1
2
10
0
3
/

C)
Phase:
5
6
[0.1+0.15
2
f(GHz)]
degrees/

C
T
rd
Re.
Tracking
Drift
Magnitude:
0.01
dB/

C
(1.1
2
10
0
3
/

C)
Phase:
5
6
[0.1+0.15
2
f(GHz)]
degrees/

C
1
A
ccuracy
enhancement
procedures
are
performed
using
85036B
75
 type-N
calibration kit.
Enviromental
temperature
is
23

C
6
3

C
at
calibration:
6
1

C
from
calibration
temperature
must
be
maintained
for
valied
measurement
calibration.
2 With IF bandwidth of 10
Hz.
3 High-level noise is the
RMS of a continuous measurement of a short circuit or thru.
4 Arrived at by bending 11857D cables out perpendicular to front panel and reconnecting. Stability is much better
with less exing.
5 Arrived at using 11857D cables and full
2-port calibration. Drift is much better without calbes and with 1-port
calibration. F
or this case
, drift typically is [0.1 + 0.05
2 f
(GHz)] 2 1

C, degrees
.
Specications and Supplemental Characteristics 11-51