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HMC-T2220/40
HMC-T2200 Synthesized Signal Generator Family
131547 Rev C - 02.1110
Analog, Digital & Mixed-Signal ICs, Modules, Subsystems & Instrumentation
ECN#CP110064
Programmer's Manual
Installation, Operation & Maintenance Guide
for HMC-T2220 & HMC-T2240
HMC-T2220/40
Order On-Line at: www.hittite.com
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20 Alpha Road Chelmsford, MA 01824
978-250-3343 tel • 978-250-3373 fax • sales@hittite.com
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Table of Contents
Related Manuals for Hittite HMC-T2240
Summarization of Contents
2.0 Quick Start
2.1 USB Quick Start
Guide to connecting and using the HMC-T2240 via its USB port as a serial port.
2.1.1 HyperTerminal
Instructions for using HyperTerminal for SCPI command debugging and interaction.
2.1.2 Tera Term Pro Terminal Emulator
Details on using Tera Term Pro, a free terminal emulator for connecting to the HMC-T2240.
2.1.3 HMCT2XXXGUI
Information about the graphical interface for programming the HMC-T2200 series synthesizers.
2.2 GPIB
Information on GPIB interface support, quick start, and features according to IEEE 488.1.
2.3 Ethernet
Information on Ethernet interface support, addressing, and examples.
3.0 SCPI Command Reference
3.1 SCPI Conformance Information
Details on the SCPI command set compliance and deviations for the HMC-T2240.
3.2 SCPI Tips
Helpful tips for understanding and using SCPI commands with the instrument.
3.3 SCPI Command Reference
3.3.1 ABORT - Stop Sweeping
Command to stop a running sweep and its behavior with continuous sweep settings.
3.3.2 *CLS - Clear Status
Command to clear various status registers and the error queue.
3.3.3 DCL - Device Clear - See SDC
Explanation of the DCL command for gaining control on the bus.
3.3.4 DIAGnostic:COMPatibility[?] - Compatibility Mode
Command to set compatibility mode with the HMC-T2100 synthesizer.
3.3.5 DIAGnostic:MACaddress?
Command to read the MAC address used for Ethernet communication.
3.3.6 DISPlay:ENABle[?] - LCD ON/OFF
Command to enable or disable the front panel LCD display.
3.3.7 DISPlay:[WINDow:]TEXT:CLEar
Command to clear the front panel LCD display.
3.3.8 DISPlay:[WINDow:]TEXT[:DATA]
Command to display messages on the front panel LCD.
3.3.9 DISPlay:[WINDow:]TEXT:LOCate
Command to position the cursor for text display on the LCD.
3.3.10 DISPlay:[WINDow:]TEXT:STATE
Command to set the LCD to text mode for output visibility.
3.3.11 *ESE[?] - Event Status Enable
Command to determine which bits in the ESR are summarized in the Status Byte.
3.3.12 *ESR? – Event Status Register
Command to read and clear the Standard Event Status Register.
3.3.13 FORMat:SREGister[?] – Decimal/Hex/Binary
Command to select the output format for status registers (ASCII, Hex, Binary).
3.3.14 FREQuency – See [SOURce:]FREQuency
Reference to the FREQuency command within the SOURce subsystem.
3.3.15 GET – Group Execute Trigger (GPIB only)
Explanation of the GET command for triggering multiple instruments over GPIB.
3.3.15.1 PPE - Parallel Poll Enable (GPIB Only)
Command for configuring Parallel Polls for GPIB status reporting.
3.3.16 *IDN? – Identify
Command to retrieve the identification string of the instrument.
3.3.17 INITiate:CONTinuous[:ALL][?] – Start Sweeping
Command to start continuous sweeping operation and its control.
3.3.18 INITiate[:IMMediate][:ALL] – Start a Single Sweep
Command to initiate a single sweep operation.
3.3.19 *IST? - Individual Status
Command to read the IEEE 488.1 parallel poll Individual Status flag.
3.3.20 OUTPut[:STATe][?] – RF Output On/Off
Command to control the RF output state (ON/OFF).
3.3.21 *OPC – Operation Complete Command
Command to set a flag indicating operation completion for sweep events.
3.3.22 *OPC? – Operation Complete Query
Query to check if an operation, typically a sweep, has completed.
3.3.23 POWer – See [SOURce:]POWer
Reference to the POWer command within the SOURce subsystem.
3.3.24 *PRE[?] - Parallel Poll Register Enable
Command to select bits for parallel poll status summarization.
3.3.25 *RST - Reset
Command to reset the instrument to a consistent state and its default values.
3.3.26 SDC - Selected Device Clear – Control Code
Command to regain control of an instrument, clearing FIFOs and aborting waits.
3.3.27 [SOURce:]FREQuency:CENTer[?]
Command to set the center frequency for sweeps or single frequency output.
3.3.28 [SOURce:]FREQuency[:FIXed|:CW][?] – Output Frequency/frequency
Command to set the RF output frequency when not in sweep mode.
3.3.29 [SOURce:]FREQuency[:FIXed|:CW]:STEP[:INCRement][?] – Frequency Step
Command to specify the step size for sweeps and frequency changes.
3.3.30 [SOURce:]FREQuency:MODE – Sweep Enable
Command to configure the instrument for CW, Fixed, or Sweep frequency modes.
3.3.31 [SOURce:]FREQuency:RESolution[?]
Command to force frequencies to be multiples of a specified step.
3.3.32 [SOURce:]FREQuency:SPAN[?]
Command to specify the frequency range for sweeps.
3.3.33 [SOURce:]FREQuency:STARt[?]
Command to specify the starting frequency for sweeps.
3.3.34 [SOURce:]FREQuency:STOP[?]
Command to specify the stopping frequency for sweeps.
3.3.35 [SOURce:]POWer:CENTer[?]
Command to set the center power level for power sweeps.
3.3.36 [SOURce:]POWer[:LEVel][:IMMediate][:AMPLitude][?] - Output Power
Command to set the RF output power level in dBm.
3.3.37 [SOURce:]POWer[:LEVel][:IMMediate][:AMPLitude]:RESolution?
Query for the smallest output power change supported by the hardware.
3.3.38 [SOURce:]POWer[:LEVel][:IMMediate][:AMPLitude]:STEP[:INCRement][?]
Command to set the power step size for sweeps and power adjustments.
3.3.39 [SOURce:]POWer:SPAN[?]
Command to specify the power range for sweeps.
3.3.40 [SOURce:]POWer:STARt[?]
Command to specify the starting power level for power sweeps.
3.3.41 [SOURce:]POWer:STOP[?]
Command to specify the stopping power level for power sweeps.
3.3.42 [SOURCE:]SWEep:COUNt[?]
Command to determine the number of sweeps that occur for each trigger.
3.3.43 [SOURCE:]SWEep:DIRection[?]
Command to set the sweep direction (UP or DOWN) for frequency or power.
3.3.44 [SOURCE:]SWEep:DWELI[?]
Command to control the time each frequency or power is held stable during a sweep.
3.3.45 [SOURce:]TRIGger:SLOPE POSitive|NEGative|EITHer[?]
Command to determine trigger input slope (rising, falling, or either).
3.3.46 *SRE[?] – Service Request Enable
Command to enable bits in the Status Byte to generate a Service Request.
3.3.47 STATus:OPERation:CONDition?
Query to check the current instrument status condition.
3.3.48 STATus:OPERation Register Bit Definitions
Definitions for the bits within the Operation Status Register.
3.3.49 STATus:OPERation:ENABle[?]
Command to enable the OPERation:EVENt status register summary in the STB.
3.3.50 STATus:OPERation[:EVENt]?
Command to read the sticky EVENT register for the OPERation status.
3.3.51 STATUS:PRESet
Command to clear specific status registers like OPERation:ENABLE.
3.3.52 STATUS:QUEStionable:CONDition?
Query to check the current instrument's questionable status condition.
3.3.53 STATus:QUEStionable Register Bit Definitions
Definitions for the bits within the Questionable Status Register.
3.3.54 STATus:QUEStionable:ENABle[?]
Command to enable the QUEStionable:EVENt status register summary in the STB.
3.3.55 STATus:QUEStionable[:EVENt]?
Command to read the sticky EVENT register for the QUEStionable status.
3.3.56 STATus:SRQChar[?] – Service Request over USB
Hittite extension to generate service requests for non-GPIB interfaces.
3.3.57 *STB? – Status Byte
Command to read the summary Status Byte reflecting other status registers.
3.3.58 Status Byte (STB) Bit Definitions
Definitions for the bits used in the HMC-T2240's Status Byte.
3.3.59 SWEep – See [SOURce:]SWEep
Reference to the SWEep subsystem under the SOURce subsystem.
3.3.60 SYSTem:COMMunicate:ETHernet:ADDRess[?] – IP Address
Command to set or query the instrument's IP address.
3.3.61 SYSTem:COMMunicate:ETHernet:DHCP[?] – Automatic Configuration
Command to enable or disable Dynamic Host Configuration Protocol (DHCP).
3.3.62 SYSTem:COMMunicate:ETHernet:GATeway[?]
Command to specify the default gateway IP address for Ethernet.
3.3.63 SYSTem:COMMunicate:ETHernet:NETMask[?]
Command to specify the subnet mask for Ethernet configuration.
3.3.64 SYSTem:COMMunicate:ETHernet:PORT[?] – Socket Number
Command to set the port number for socket connections.
3.3.65 SYSTem:COMMunicate:GTLocal
Hittite extension to enable front panel control even when locked.
3.3.66 SYSTem:COMMunicate:GTRemote
Command to put the unit under remote control.
3.3.67 SYSTem:ERRor:ALL? – Read All Error Messages
Command to read all error messages from the instrument's error queue.
3.3.68 SYSTem:ERRor:BEHavior
Command to determine if error messages are queued or issued immediately.
3.3.69 SYSTem:ERRor[:NEXT]?
Command to read back error messages from the error queue one by one.
3.3.70 SYSTem:KLOCk[?] – Front Panel Control Lock
Command to lock or unlock the front panel controls.
3.3.71 SYSTem:PRESet
Command to reset the instrument, equivalent to *RST.
3.3.72 *TRG - Trigger
Command to trigger a sweep operation.
3.3.73 TRIGger[:SEQuence][:IMMediate]
Command similar to *TRG, also capable of external triggers.
3.3.74 TRIGger[:SEQuence][:IMMediate]:SOURce[?]
Command to select the trigger source for initiating a sweep.
3.3.75 *WAI – Wait for Operation (Sweep) to Complete
Command to wait for an operation, typically a sweep, to finish before proceeding.
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