Wavetek 39A Especificações Página 1

301/302 User Manual Figure 3.19a, Using equation editor to generate one cycle of sine wave ...

User Manual 301/302 FREQuency:RASTer:SOURce EXTernal | INTernal Purpose This command selects the source of the sample clock generator. This comma

User Manual 301/302 PHASe:STEP POINt | DEGRee Purpose This command defines which units will be used when programming the start phase offset betwe

User Manual 301/302 VOLTage? Response The 302 will return the present amplitude value. The returned value will be in standard scientific format (for

User Manual 301/302 SQUare:DCYCle? Response The 302 will return the present duty cycle value. PULSe:DELay <delay> Purpose This command

User Manual 301/302 RAMP:DELay <delay> Purpose This command programs delay of the standard ramp waveform. This command has no affect on ar

User Manual 301/302 • <exp > numeric value that sets the exponent parameter GAUSsian:EXPonent? Response The 302 will return the present ex

User Manual 301/302 OUTPut Subsystem This subsystem controls the characteristics of the output. It controls filter type and filter cutoff frequency.

User Manual 301/302 • 5M will connect 5 MHz low pass elliptic filter • 2.5M will connect 2.5 MHz low pass elliptic filter • 800K will connect 800 KH

User Manual 301/302 OUTPut:SYNC:POSition <position> Purpose This command will program the 302 SYNC position. This command is active in arbi

User Manual 301/302 FORMat Subsystem The FORMat subsystem sets a data format for transferring array information. This data format is used for command

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User Manual 301/302 INSTrument Subsystem A dual channel arbitrary waveform generator is considered as two logical instruments. The INSTrument subsyst

User Manual 301/302 Trigger Subsystem The TRIGger subsystem is used to synchronize device actions with external events. These commands control the tr

User Manual 301/302 TRIGger:BURSt? Response The 302 will return 1 if the burst is on, or 0 if the burst is off. TRIGger:COUNt <count>

User Manual 301/302 TRIGger:SOURce:ADVance EXTernal | INTernal Purpose This command will set the advance source for the trigger mode. • <EXTe

User Manual 301/302 TRACe Subsystem The TRACe subsystem contains commands, which allow definition of segments and their corresponding lengths, additi

User Manual 301/302 TRACe #<header><binary_block> Purpose This command will download waveform data to the 302 memory. The Loading

User Manual 301/302 • <AUTOmatic> will set the automatic advance mode • <STEP> will set the stepped advance mode • <SINGle> will s

User Manual 301/302 The 302 will return the present single-sequence value. MSEQuence:SIZE(?)<msequence_size> Purpose This command will set th

User Manual 301/302 SYSTem Subsystem The system-related commands are not related directly to waveform generation but are an important part of operati

User Manual 301/302 IEEE-STD-488.2 Common Commands and Queries Since most instruments and devices in an ATE system use similar commands, which perform

301/302 User Manual Getting Started What’s In This Chapter This chapter contains a general description of the Model 301/302 Arbitrary Waveform Gener

User Manual 301/302 *RST - Resets the generator to its default state. Default values are listed in Table 4-1. *SRE <enable_value> - Enables bits

User Manual 301/302 register are logically ORed together to form a single summary bit. The user can read from and write to an Enable Register. Queryin

User Manual 301/302 6754321067543210&&&&&&&&Logical OROperation CompleteRequest ControlQuery E

User Manual 301/302 Reading the Status Byte Register The Status Byte summary register can be read with the *STB? common query. The *STB? common quer

User Manual 301/302 *SRE32 - Service request on ESB summary bit. *SRE128 - Not used. Standard Event Status Register (ESR) The Standard Event Status

User Manual 301/302 was cycled since the last time the register was read. Standard Event Status Enable Register (ESE) The Standard Event Status Enab

User Manual 301/302 queue is replaced with -350, “Queue Overflow”. No additional errors are stored until you remove errors from the queue. If no error

User Manual 301/302 encountered where prohibited by the instrument. -200,"Execution error". This is the generic syntax error for the instrum

User Manual 301/302 defined by the generator. -224,”Illegal parameter value”. A discrete parameter was received which was not a valid choice for the c

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301/302 User Manual Introduction A detailed functional description is given following the general description of the features, functions, and options

User Manual 301/302 Appendix A SPECIFICATIONS CONFIGURATION Output Channels Number of Channels Model 301 – 1 channels; Model 302 – 2 channels (For

User Manual 301/302 Internal Burst An internal timer repeatedly generates a burst of up to 1M counted output cycles. This mode is not available i

User Manual 301/302 High Time 0% to 99.9% of period Fall Time 0% to 99.9% of period Sinc (Sine(x)/x) Frequency Range 10 mHz to 5 MHz, usa

User Manual 301/302 SEQUENCED ARBITRARY WAVEFORMS Operation Permits division of the memory bank into smaller segments. Segments may be linked, an

User Manual 301/302 trigger advances to next programmed sequence. Control input is TRIG IN connector. Advance Source Internal Internal programm

User Manual 301/302 Inter-Channel Control Phase Offset Range in Degrees 0 to 360° Range in Waveform Points 0 to waveform length Range Setti

User Manual 301/302 INPUTS Amplitude Modulation (AM) Modulation Input Front panel BNC Impedance 1 M, ±5% Max Input Voltage ±12

User Manual 301/302 RS232 Information Connector Rear panel 9-pin D type, male Protocol SCPI + checksum SCPI Revision 1993.0 Front Panel Indic

301/302 User Manual triggered, or may generate a counted burst of waveforms. A built-in trigger generator, having a programmable period can be used as

301/302 User Manual be retrofitted later. The 4 Meg option designates the memory size supplied with the standard Model 301/302. With the standard mem

301/302 User Manual Input and Output Connectors The Model 301/302 has 6 or 9 BNC connectors on its front panel: one main output and one auxiliary out

301/302 User Manual continuous operating mode. When placed in trigger, gated or burst mode, the trigger input is made active and waits for the right c

301/302 User Manual Continuous Mode In normal continuous mode, the selected waveform is generated continuously at the selected frequency, amplitude an

301/302 User Manual Standard (Fixed) Waveforms The Model 301/302 generates waveforms from a memory that has to be loaded before the instrument can gen

301/302 User Manual Sequenced Waveforms The sequence generator is a very powerful tool that lets you link and loop segments in any way you desire. As

301/302 User Manual Figure 1.1b. Segment 2 – Sine Waveform Figure 1.1c Segment 3 – Pulse Waveform The following sequence was made o

301/302 User Manual Output State The main outputs can be turned on or off. The internal circuit is disconnected from the output connector by a mechani

User Manual 301/302 CONFIGURING The INSTRUMENT Installation Overview This chapter contains information and instructions necessary to prepare the Mod

User Manual 301/302 or 60VDC are present. Before operating an instrument, make sure the line cord is connected to a properly grounded power receptacle

User Manual 301/302 Grounding Requirements To ensure the safety of operating personnel, the U.S. O.S.H.A. (Occupational Safety and Health) requiremen

User Manual 301/302 desired. Record the model and serial number of the instrument. Show the work authorization order as well as the date and method of

User Manual 301/302 Installation The instrument is fully solid state and dissipates only a small amount of power. No special cooling is required. Ho

User Manual 301/302 USING The INSTRUMENT. Overview This chapter contains information about how to operate the Model 301/302. The Model 301/302 must b

User Manual 301/302 Power On/Reset Defaults At Power On or as a result of a software reset, the instrument defaults to some factory pre-selected cond

WARRANTYWavetek-Datron warrants that all products manufactured by Wavetek-Datron conform to publishedWavetek-Datron specifications and are free from d

User Manual 301/302 Example 1 The following example programs the Model 301/302 to turn on the main outputs and program the waveform frequency to 20 MH

User Manual 301/302 /* Turn on the channel 2 main output. */ :OUTPut ON; If the above commands are executed correctly, a square waveform will be seen

User Manual 301/302 Figure 3-3 Adjusting Standard Waveform types and Parameters Select the Output tab, and turn on each channel output by selecting C

User Manual 301/302 Controlling Instrument Functions Using the APPLy Command The APPLy command provides a high level method of programming the gener

User Manual 301/302 The command: APPLy:TRIangle {<frequency>,<amplitude>,<offset>,<phase>} programs the generator to output a

User Manual 301/302 <exponent>} programs the generator to output an exponential waveform with frequency, amplitude, offset, and exponent paramet

User Manual 301/302 generator is programmed to output a sine waveform, the APPL? Command returns: "1e+6, 2, 0 , 0. Example 2 The following examp

User Manual 301/302 The query: INSTrument:SELect? Queries the active channel and returns 1 or 2. The Control Panel from WaveWiz is shown in Figure 3-5

User Manual 301/302 When the main output state is programmed to ON, the output connector is connected to the output amplifier through a 50Ω resistor a

User Manual 301/302 Figure 3.6 Output Control with a WaveWiz Panel. Selecting a Standard Function Shape Standard (fixed) waveforms are built into

DECLARATION OF CONFORMITYWe: Wavetek-Datron Inc. Instrument Division 9045 Balboa Avenue San Diego, CA 92123declare, that the 50 MHz Pulse/Funct

User Manual 301/302 SQU., The number of points used to define each Standard Waveform is the same. Thus, some parameters may not have any effect on th

User Manual 301/302 Signal Type Variable Parameter Units Sine Phase Degrees Triangle Phase Degrees Square Delay Rise High Fall Percentage of Perio

User Manual 301/302 Figure 3.9 Adjusting Parameters of standard signals Changing the Frequency and Sample Clock The user should be careful not to con

User Manual 301/302 FREQuency? queries the frequency setting for the standard function currently active and returns a value in hertz. The command: F

User Manual 301/302 Programming the Output Amplitude and Offset Use the following command to program the peak-to-peak amplitude of the generated wave

User Manual 301/302 Selecting the Filter Type Five filters are available for each channel. These filters have fixed cutoff frequencies of which their

User Manual 301/302 Figure 3.11 below. Each filter may be switched by checking the relevant box. The filters can be applied to the main or auxiliary c

User Manual 301/302 Figure 3.12, Adjusting Trigger Parameters Triggered Mode In Triggered mode, the output remains at a certain DC level as long as

User Manual 301/302 Gated Mode The Model 301/302 can be set to operate in Gated mode only after the INIT:CONT OFF command has been received. The outpu

User Manual 301/302 TRIGger:BURSt ON TRIGger:COUNt <counts> INIT:CONT OFF places the Model 301/302 in a non-continuous mode. TRIG:BURS ON turns

SAFETY PRECAUTIONS Protect yourself. Follow these precautions:• Don’t bypass the power cord’s ground lead with two-wire extension cords or plugadapter

User Manual 301/302 Using the Internal Trigger Generator The internal trigger generator is a free-running generator, which is asynchronous with the ma

User Manual 301/302 Selecting the Trigger Level The trigger level command sets the threshold level at the trigger input connector. Trigger level is a

User Manual 301/302 output connector. The default SYNC position is the point 0 ( the first point of the output waveform). The position of the SYNC sig

User Manual 301/302 Selecting the SYNC Position The SYNC output can be programmed to output the SYNC signal at any time referenced to the output wave

User Manual 301/302 What Are Arbitrary Waveforms? Arbitrary waveforms are generated from digital data points, which are stored in memory. Each data p

User Manual 301/302 given in the following paragraphs. Arbitrary Memory Management The arbitrary memory in comprised of a finite length of words. The

User Manual 301/302 segment is deleted, the next downloaded segment will be written on top of the deleted one. There is danger that by using the TRAC

User Manual 301/302 TRACe #42096<binary_block> This command causes the transfer of 2096 bytes of data (1048) points into the active memory segme

User Manual 301/302 byte-low byte-high order. Figure 3.16, 12-Bit Waveform Data Format Note The Model 301/302 operates in interlaced mode where

User Manual 301/302 Using the DMA DMA data transfer is the fastest way to get waveforms to the Model 301/302. In DMA mode, the internal CPU disconnect

301/302 User Manual Table of Contents Table of Contents ...

User Manual 301/302 Arbitrary Waveforms 1. By combining pieces of standard waveforms 2. By using waveform drawing techniques on the PC screen 3.

User Manual 301/302 Figure 3.18 Arbitrary waveform made by combining some standard waveforms. The pop-up menu for each wave allows definition of

User Manual 301/302 to the piece of waveform to be smoothed. The section of waveform which will be processed will appear on a white background, the re

User Manual 301/302 In the above example (figure 3.19a) WaveWiz will produce one cycle of sine wave with a peak to peak amplitude of 1000mV (1V). The

User Manual 301/302 Figure 3.19c Using equation editor to generate five cycles of sine wave In the above example (Figure 3.19c) WaveWiz will produc

User Manual 301/302 In the above example (Figure3.19d) WaveWiz will produce five cycles of sine wave with a peak to peak amplitude of 1000mV. Sine c

User Manual 301/302 Figure 3.19f Using equation editor to generate exponentially decaying sine Wave In the above example (Figure 19f) 10 cycles of s

User Manual 301/302 The last example (Figure 19g) above is the most complex to be discussed here. Here, 100 cycles of sinewave are amplitude modulate

User Manual 301/302 Figure 3.21 Importing data from other applications using .csv file format Configuring the Instrument 57

User Manual 301/302 Sequenced Waveforms What Are Sequenced Waveforms? Sequenced waveforms are made of a number of arbitrary waveforms, which can be

301/302 User Manual Long Term Storage or Repackaging For Shipment...

User Manual 301/302 shows the relationship between links and sequences. Sequences Links 1 4096 2 2048 4 1024 8 512

User Manual 301/302 Configuring The Instrument 60 Download method. The later is a bit more complex because it requires writing external applications h

User Manual 301/302 because it will completely and irreversibly erase the sequence table from the memory. Fast Binary Sequence Table Download As was

User Manual 301/302 Figure 3.22, Sequence Table Download Format There are a few things to consider when you prepare sequence tables for the fast do

User Manual 301/302 of Sequences The active sequence is set by entering the number in the Active Sequence box. For a discussion on implications of num

User Manual 301/302 Figure 3.24 Selecting the active sequence and entering sequences Running Sequences Using WaveWiz If “output waveform” is set t

User Manual 301/302 Generating Sequenced Sequences What Are Sequenced Sequences? The model 301/302 can store 16 different sequence tables. Then, yo

User Manual 301/302 MSEQuence:DEFine <step_number>, <sequence_number> Both <step_number> and <sequence_number> are integers. S

User Manual 301/302 AUTO specifies continuous advance where the generator steps continuously to the end of the sequence table and repeats the sequence

User Manual 301/302 sequence advance modes. Before you start using this input, make sure that the trigger level and trigger slope are programmed corre

301/302 User Manual Generating Sequenced Sequences...

User Manual 301/302 Sequences with WaveWiz use each sequence individually or link them into a sequence. Below is an example of how to produce a seque

User Manual 301/302 Sequence tab to display sequence parameters and options. There are two items to select on this panel: 1) Turn the Multi Sequence f

User Manual 301/302 Figure 3.27 Sequence Table Editor 4. After you complete programming the table for each sequence, click Download to transfer the

User Manual 301/302 Figure 3.28a Multi Sequence Table Editor with 3 sequences Modify the Multi Sequence Table as you like but remember that it was sp

User Manual 301/302 and select Sequenced output. NOTE The sequence generator goes through its steps in ascending order. In continuous mode, the sequen

User Manual 301/302 100,000-point waveform, the resolution is 0.036°. Use the following command to define whether you are programming phase offsets in

User Manual 301/302 Figure 3.29 Channel to Channel Phase adjustment in WaveWiz Amplitude Modulation Commands The AM input is used for modulating the

User Manual 301/302 The query: SYST:ERRor? queries the system error queue and returns a string with the following format: -102,"Syntax error&quo

User Manual 301/302 commands in the blank text box. Complete the command transmission by clicking on the download button. You may also send queries

User Manual 301/302 SCPI COMMAND REFERENCE Introduction This Sub-Section lists and describes the set of SCPI-compatible remote commands used to ope

301/302 User Manual Table of Figures Figure 1.1, Model 301/302 ...

User Manual 301/302 SOUR:FUNC:SHAP? Query Response Format The response to a query depends on the format of the command. In general, a response to a q

User Manual 301/302 :WIDTh (1,1,99) Table 4-1. Model 301/302 SCPI Commands List Summary (continued) Keyword Parameter Form (Default in B

User Manual 301/302 Table 4-1. Model 301/302 SCPI Commands List Summary (continued) Keyword Parameter Form (Default in Bold) Notes :PULSe

User Manual 301/302 :SELect (1;1;4096) Table 4-1. Model 301/302 SCPI Commands List Summary (continued) Keyword Parameter Form (Default in Bold) N

User Manual 301/302 Table 4-1. Model 301/302 SCPI Commands List Summary (continued) Keyword Parameter Form (Default in Bold) Notes :SLOPe P

User Manual 301/302 SOURce Subsystem This subsystem is used to control output functions, shape and parameters, frequency, amplitude and amplitude mod

User Manual 301/302 :DC (?) <%_amplitude> 100,-100,+100 AM OFF | ON | 0 | 1 Purpose This command turns the AM function on and off • ON

User Manual 301/302 • <duty_cycle> numeric which sets the squarewave duty cycle APPLy:SQUare? Response The 302 will return five numerics whi

User Manual 301/302 • <offs> numeric which sets the output offset • <N_cycles> numeric which sets the number of zero crossing APPLy:SI

User Manual 301/302 This command is a high-level command that programs the 302 to output user-defined waveform along with its associated parameters •