(Read-only) Returns a list of valid port names that can be controlled. Some ports only have string names, NOT numbers. All commands that require a port argument have provisions for specifying either a port number OR a string name. See also: Remotely Specifying a Source Port.
Parameters
<cnum>	Any existing channel number. If unspecified, value is set to 1
Examples	SOUR:CAT? source:catalog 'VNA models return "Port 1,Port 2,Port 3,Port 4, MXG"
Return Type	Comma-separated list of strings.
Default	Not Applicable

SOURce<cnum>:POWer<port>:ALC[:MODE] <char>, [src]

Applicable Models: M9485A

(Read-Write) Sets and returns the ALC mode for the specified channel and port. Use SOUR:POW:ALC:MODE:CAT? to return a list of valid ALC modes for the VNA. Learn more about ALC mode.
Parameters
<cnum>	Any existing channel number. If unspecified, value is set to 1
<port>	Source port number of the VNA. If unspecified, value is set to 1. To make settings for ports that are not simple numbers, use the [src] argument.
<char>	ALC Mode. For the VNA choose from: INTernal Standard ALC loop OPENloop No ALC loop
[src]	String. (NOT case sensitive). Source port. Optional. Use SOUR:CAT? to return a list of valid port names
Examples	SOUR:POW:ALC INT source2:power2:alc:mode openloop source:power:alc:mode openloop,"Port 1 Src2"
Query Syntax	SOURce<cnum>:POWer<port>:ALC:MODE? [src]
Return Type	Character
Default	INTernal

SOURce<cnum>:POWer<port>:ALC[:MODE]:CATalog? [src]

Applicable Models: M9485A

(Read-only) Returns a list of valid ALC modes for the specified channel and port number. Use the returned values to set SOUR:POW:ALC:MODE.
Parameters
<cnum>	Any existing channel number. If unspecified, value is set to 1
<port>	Source port number of the VNA. If unspecified, value is set to 1. To make settings for ports that are not simple numbers, use the [src] argument.
[src]	String. (NOT case sensitive). Source port. Optional. Use SOUR:CAT? to return a list of valid port names.
Examples	SOUR:POW:ALC:CAT? source2:power2:alc:mode:catalog? source:power:alc:mode:catalog? "Port 1 Src2"
Return Type	Comma-separated list of strings.
Default	Not applicable

SOURce<cnum>:POWer<port>:ATTenuation:RECeiver:REFerence <num>

Applicable Models: M9485A

(Read-Write) Sets the attenuation level for the specified reference attenuator.
Parameters
<cnum>	Any existing channel number. If unspecified, value is set to 1.
<port>	Port number of the VNA. If unspecified, value is set to 1.
<num>	Attenuation value in dB. 0dB or 35dB. If a number other than these is entered, the analyzer will select the next lower valid value. For example, if 19dB is entered, then 0dB attenuation will be selected.
Examples	SOUR:POW2:ATT:REC:REF 0 source:power:attenuation:receiver:reference 35
Query Syntax	SOURce<cnum>:POWer<port>:ATTenuation:RECeiver:REFerence?
Return Type	Numeric. If querying for the standard (M9376A) port, the return value is 0
Default	35

SOURce<cnum>:POWer<port>:ATTenuation:RECeiver:TEST <num>

Applicable Models: M9485A

(Read-Write) Sets the attenuation level for the specified test attenuator.
Parameters
<cnum>	Any existing channel number. If unspecified, value is set to 1.
<port>	Port number of the VNA. If unspecified, value is set to 1.
<num>	Attenuation value in dB. 0dB or 35dB. If a number other than these is entered, the analyzer will select the next lower valid value. For example, if 19dB is entered, then 0dB attenuation will be selected.
Examples	SOUR:POW2:ATT:REC:TEST 0 source:power:attenuation:receiver:test 35
Query Syntax	SOURce<cnum>:POWer<port>:ATTenuation:RECeiver:TEST?
Return Type	Numeric. If querying for the standard (M9376A) port, the return value is 0
Default	35

SOURce<cnum>:POWer<port>:CENTer <num>

Applicable Models: E5080A, M9485A

(Read-Write) Sets the power sweep center power. Must also set: SENS:SWE:TYPE POWer and SOURce:POWer:SPAN <num>.
Parameters
<cnum>	Any existing channel number. If unspecified, value is set to 1
<num>	Center power. Actual achievable leveled power depends on frequency.
<port>	If provided, this argument is ignored by the VNA.
Examples	SOUR:POW:CENT -15 source2:power:center -7
Query Syntax	SOURce<cnum>:POWer:CENTer?
Return Type	Numeric
Default	0 dBm

SOURce<cnum>:POWer<port>:COUPle <bool>

Applicable Models: E5080A, M9485A

(Read-Write) Turns Port Power Coupling ON or OFF.
Parameters
<cnum>	Any existing channel number. If unspecified, value is set to 1
<bool>	ON (or 1) - turns coupling ON. The same power level is used for both source ports. OFF (or 0) - turns coupling OFF. Power level can be set individually for each source port.
<port>	If provided, this argument is ignored by the VNA.
Examples	SOUR:POW:COUP ON source2:power:couple off
Query Syntax	SOURce<cnum>:POWer:COUPle?
Return Type	Boolean (1 = ON, 0 = OFF)
Default	ON

SOURce<cnum>:POWer<port>[:LEVel][:IMMediate][:AMPLitude] <num>, [src]

Applicable Models: E5080A, M9485A

(Read-Write) Sets the RF power output level.
Parameters
<cnum>	Any existing channel number. If unspecified, value is set to 1
<port>	Source port number of the VNA. If unspecified, value is set to 1. To make settings for ports that are not simple numbers, use the [src] argument.
<num>	Source power in dBm. Note: The range of settable power values depends on the VNA model and if source attenuators are installed. To determine the range of values, perform a query using MAX, then MIN, as an argument. (SOUR:POW:ATT:AUTO must be set to ON) Example: SOURce:POWer? Max Actual achievable leveled power depends on frequency.
[src]	String. (NOT case sensitive). Source port. Optional. Use SOUR:CAT? to return a list of valid port names. While this argument can be used to make settings for ALL ports, it is designed to access ports such as an external source, true mode balanced port, or one of the Source 2 outputs on the 2-port 2-source VNA model such as "Port 1 Src2". Otherwise, the <port> argument performs the same function. If both arguments are specified, [src] takes priority.
Examples	SOUR:POW1 5 source2:power:level:immediate:amplitude maximum sour:pow 5, "Port 1 Src2"
Query Syntax	SOURce<cnum>:POWer[:LEVel][:IMMediate][:AMPLitude]? [src]
Return Type	Numeric
Default	0 dBm

SOURce<cnum>:POWer<port>[:LEVel]:SLOPe <num>

Applicable Models: E5080A, M9485A

(Read-Write) Sets the RF power slope value. Also enable the slope state using SOUR:POW:SLOP:STAT ON.
Parameters
<cnum>	Any existing channel number. If unspecified, value is set to 1
<num>	Slope value in db/GHz. Choose any value between -2 and 2 (0 is no slope).
<port>	If provided, this argument is ignored by the VNA.
Examples	SOUR:POW:SLOP .5234434 source2:power:level slope -1.345
Query Syntax	SOURce<cnum>:POWer[:LEVel]:SLOPe?
Return Type	Numeric
Default	0

SOURce<cnum>:POWer<port>[:LEVel]:SLOPe:STATe <bool>

Applicable Models: E5080A, M9485A

(Read-Write) Turns Power Slope ON or OFF. Set the slope using SOUR:POW:SLOP.
Parameters
<cnum>	Any existing channel number. If unspecified, value is set to 1
<bool>	ON (or 1) - turns slope ON. OFF (or 0) - turns slope OFF.
<port>	If provided, this argument is ignored by the VNA.
Examples	SOUR:POW:SLOP:STAT ON source2:power:slope:state off
Query Syntax	SOURce<cnum>:POWer[:LEVel]:SLOPe:STATe?
Return Type	Boolean (1 = ON, 0 = OFF)
Default	OFF

SOURce<cnum>:POWer<port>:MODE <state>, [src]

Applicable Models: E5080A, M9485A

(Read-Write) Sets the state of VNA source for the specified port.
Parameters
<cnum>	Any existing channel number. If unspecified, value is set to 1
<port>	Source port number of the VNA. If unspecified, <port> is set to 1. To make settings for ports that are not simple numbers, use the [src] argument.
<state>	Source state. Choose from: AUTO Source power is turned ON when required for a measurement. ON Source power is always ON regardless of the measurement. OFF Source power is always OFF regardless of the measurement.
[src]	String. (NOT case sensitive). Source port. Optional. Use SOUR:CAT? to return a list of valid port names. While this argument can be used to make settings for ALL ports, it is designed to access ports such as an external source, true mode balanced port, or one of the Source 2 outputs on the 2-port 2-source VNA model such as "Port 1 Src2". Otherwise, the <port> argument performs the same function. If both arguments are specified, [src] takes priority.
Examples	SOUR:POW:MODE ON source2:power4:mode OFF sour:pow:mode on, "Port 1 Src2"
Query Syntax	SOURce<cnum>:POWer<port>:MODE? [src]
Return Type	Character
Default	Auto

SOURce<cnum>:POWer<port>:PORT:STARt <num>, [src]

Applicable Models: E5080A, M9485A

(Read-Write) Sets and reads the power sweep start power value for a specific port. This allows uncoupled forward and reverse power sweep ranges. Must also set SENS:SWE:TYPE POWer and SOUR:POW:COUPle OFF.
Parameters
<cnum>	Any existing channel number. If unspecified, value is set to 1
<port>	Source port number of the VNA. If unspecified, <port> is set to 1. To make settings for ports that are not simple numbers, use the [src] argument.
<num>	Start power in dBm. Note: The range of settable power values depends on the VNA model and if source attenuators are installed. To determine the range of values, perform a query using MAX, then MIN, as an argument. (SOUR:POW:ATT:AUTO must be set to ON) Example: SOURce:POWer:STARt? MIN Actual achievable leveled power depends on frequency.
[src]	String. (NOT case sensitive). Source port. Optional. Use SOUR:CAT? to return a list of valid port names. While this argument can be used to make settings for ALL ports, it is designed to access ports such as an external source, true mode balanced port, or one of the Source 2 outputs on the 2-port 2-source VNA model such as "Port 1 Src2". Otherwise, the <port> argument performs the same function. If both arguments are specified, [src] takes priority.
Examples	SOUR:POW1:PORT:STAR -15 source2:power:port:start 5, "bal port 1"
Query Syntax	SOURce<cnum>:POWer<port>:PORT:STARt? [src]
Return Type	Numeric
Default	-10 dBm

SOURce<cnum>:POWer<port>:PORT:STOP <num>, [src]

Applicable Models: E5080A, M9485A

(Read-Write) Sets and reads the power sweep stop power value for a specific port. This allows uncoupled forward and reverse power sweep ranges. Must also set SENS:SWE:TYPE POWer and SOUR:POW:COUPle OFF.
Parameters
<cnum>	Any existing channel number. If unspecified, value is set to 1
<port>	Source port number of the VNA. If unspecified, <port> is set to 1. To make settings for ports that are not simple numbers, use the [src] argument.
<num>	Stop power in dBm. Note: The range of settable power values depends on the VNA model and if source attenuators are installed. To determine the range of values, perform a query using MAX, then MIN, as an argument. (SOUR:POW:ATT:AUTO must be set to ON) Example: SOURce:POWer:STARt? MIN Actual achievable leveled power depends on frequency.
[src]	String. (NOT case sensitive). Source port. Optional. Use SOUR:CAT? to return a list of valid port names. While this argument can be used to make settings for ALL ports, it is designed to access ports such as an external source, true mode balanced port, or one of the Source 2 outputs on the 2-port 2-source VNA model such as "Port 1 Src2". Otherwise, the <port> argument performs the same function. If both arguments are specified, [src] takes priority.
Examples	SOUR:POW1:PORT:STOP -15 source2:power:port:stop 5, "bal port 1"
Query Syntax	SOURce<cnum>:POWer<port>:PORT:STOP? [src]
Return Type	Numeric
Default	0 dBm

SOURce<cnum>:POWer<port>:SPAN <num>

Applicable Models: E5080A, M9485A

(Read-Write) Sets the power sweep span power. Must also set: SENS:SWE:TYPE POWer and SOURce:POWer:CENTer <num>.
Parameters
<cnum>	Any existing channel number. If unspecified, value is set to 1.
<num>	Span power. Actual achievable leveled power depends on frequency.
<port>	If provided, this argument is ignored by the VNA.
Examples	SOUR:POW:SPAN -15 source2:power:span -7
Query Syntax	SOURce<cnum>:POWer:SPAN?
Return Type	Numeric
Default	10 dBm

SOURce<cnum>:POWer<port>:STARt <num>

Applicable Models: E5080A, M9485A

(Read-Write) Sets the power sweep start power for ALL ports being used by the specified channel. Must also set: SENS:SWE:TYPE POWer and SOURce:POWer:STOP <num>. To set start power for a specific port, use SOUR:POW:PORT:STARt.
Parameters
<cnum>	Any existing channel number. If unspecified, value is set to 1
<num>	Start power. Note: The range of settable power values depends on the VNA model and if source attenuators are installed. To determine the range of values, perform a query using MAX, then MIN, as an argument. (SOUR:POW:ATT:AUTO must be set to ON) Example: SOURce:POWer:STARt? MIN Actual achievable leveled power depends on frequency.
<port>	If provided, this argument is ignored by the VNA.
Examples	SOUR:POW:STAR -15 source2:power:start -7
Query Syntax	SOURce<cnum>:POWer:STARt?
Return Type	Numeric
Default	-10 dBm

SOURce<cnum>:POWer<port>:STOP <num>

Applicable Models: E5080A, M9485A

(Read-Write) Sets the power sweep stop power for ALL ports being used by the specified channel.. Must also set: SENS:SWE:TYPE POWer and SOURce:POWer:START <num>. To set start power for a specific port, use SOUR:POW:PORT:STOP.
Parameters
<cnum>	Any existing channel number. If unspecified, value is set to 1
<num>	Stop power. Note: The range of settable power values depends on the VNA model and if source attenuators are installed. To determine the range of values, perform a query using MAX, then MIN, as an argument. (SOUR:POW:ATT:AUTO must be set to ON) Example: SOURce:POWer:STOP? MAX Actual achievable leveled power depends on frequency.
<port>	If provided, this argument is ignored by the VNA.
Examples	SOUR:POW:STOP -15 source2:power:stop -7
Query Syntax	SOURce<cnum>:POWer:STOP?
Return Type	Numeric
Default	0 dBm

Last Modified:

18-May-2016

First Release