Rohde & Schwarz 1145.1010.04/05/06, Operating Manual

Page: 699 / 813

R&S
®
ZVA/ZVB/ZVT SENSe
1145.1084.12 6.237 E-6
[SENSe<Ch>:]PORt<phys_port>:ZREFerence <real>[, <imaginary>]
Specifies the complex reference impedance for the physical port numbered <phys_port>.
<Ch> Channel number. If unspecified the numeric suffix is set to 1.
<phys_port> Physical port number. The number of ports depends on the
analyzer model.
<real>
<imaginary> Real and imaginary part of the port impedance. <imaginary> may
be omitted to define a real impedance.
Range [def. unit]
1m
Ω
to 10 M
Ω
for the real part [
Ω
]
– 10 M
Ω
to 10 M
Ω
for the imaginary part [
Ω
]
*RST value Default reference impedance of the connector family assigned to
the port (real impedance, e.g. 50
Ω
).
SCPI, Command
Types
Device-specific, command or query
Example:
POR2:ZREF 52, 2
Specify a complex reference impedance of 52
Ω
+ j * 2
Ω
for the
(physical) port no. 2.
[SENSe<Ch>:]ROSCillator...
This subsystem controls the frequency reference oscillator.
[SENSe<Ch>:]ROSCillator[:SOURce] INTernal | EXTernal
Selects the source of the reference oscillator signal.
<Ch>
Channel number. This suffix is ignored in the
ROSCillator
subsystem
and can be set to any value.
INTernal Select internal 10 MHz reference oscillator.
EXTernal Select external reference clock. The frequency of the external reference
clock is specified via
[SENSe<Ch/Tr>:]ROSCillator:EXTernal:FREQuency
.
*RST value INTernal
SCPI,
Command
Types Confirmed, command or query
Example:
ROSC EXT
Select external reference oscillator.
ROSC:EXT:FREQ?
Query the frequency of the external reference oscillator. The response is
10000000 Hz, i.e. the frequency of the external reference oscillator must
be 10 MHz.