Daewoo DS-360 Dokumentacja

DS360 Ultra Low Distortion Function Generator Revision 2.4 (11/2013) Operating Manual and Programming Reference Model DS360 Ultra Low Distortion

viii Specifications DS360 Ultra Low Distortion Function Generator Two-Tone Type Sine-Sine, Sine-Square Sine Frequency 0.01 Hz to 200.000 kHz S

5-18 Performance Tests DS360 Ultra Low Distortion Function Generator 8. Bursts These tests measures the accuracy of the burst levels. Setup Connect th

Performance Tests 5-19 DS360 Ultra Low Distortion Function Generator 9. DC Offset These tests measure the offset accuracy of the function of the

5-20 Performance Tests DS360 Ultra Low Distortion Function Generator d) Measure the output voltage on the DVM. Record the results. 4) Measure the

Performance Tests 5-21 DS360 Ultra Low Distortion Function Generator 10. Output Impedance These tests confirms the output source resistors of th

5-22 Performance Tests DS360 Ultra Low Distortion Function Generator 7) Disconnect the + BNC output from the DVM. Connect the - BNC output to the DVM.

Performance Tests 5-23 DS360 Ultra Low Distortion Function Generator DS360 Performance Test Record Page 1 of 4 Serial Number ___________

5-24 Performance Tests DS360 Ultra Low Distortion Function Generator DS360 Performance Test Record Page 2 of 4 4. Amplitude Accuracy (Con

Performance Tests 5-25 DS360 Ultra Low Distortion Function Generator DS360 Performance Test Record Page 3 of 4 5. Harmonic Distorti

5-26 Performance Tests DS360 Ultra Low Distortion Function Generator DS360 Performance Test Record Page 4 of 4 9. DC Offset Offset Linea

Circuit Description 6-1 DS360 Ultra Low Distortion Function Generator Chapter 6 Circuit Description This chapter provides descriptions of the

Specifications ix DS360 Ultra Low Distortion Function Generator Noise Broadband Noise (for a 1 kHz sine wave into a high impedance). 40 Vpp

Circuit Description DS360 Ultra Low Distortion Function Generator 6-2

Circuit Description DS360 Ultra Low Distortion Function Generator 6-3 Overview The DS360’s circuitry is divided into two major sections: the dig

Circuit Description DS360 Ultra Low Distortion Function Generator 6-4 Microprocessor and System Clocks U401 is a Z80 general purpose microprocessor.

Circuit Description DS360 Ultra Low Distortion Function Generator 6-5 Front Panel Control The front panel display board consists of eight 7 segm

Circuit Description DS360 Ultra Low Distortion Function Generator 6-6 Analog Board This section covers schematics ANA-1 through ANA-7 at the end of t

Circuit Description DS360 Ultra Low Distortion Function Generator 6-7 signal. Each filter is a second order, state variable, low pass filter. J3

Circuit Description DS360 Ultra Low Distortion Function Generator 6-8 U503). Q503, Q504 and Q506 are configured as a cascode, to maintain a constant

Circuit Description 6-9 DS360 Ultra Low Distortion Function Generator Front Panel This section covers schematic FP-1 and FP-2 at the end of this

Circuit Description DS360 Ultra Low Distortion Function Generator 6-10

Parts List DS360 Ultra Low Distortion Function Generator 6-11Digital Board Parts List This section covers schematics DIG-1 through DIG-7. Digital B

x Specifications DS360 Ultra Low Distortion Function Generator General Computer Interface GPIB and RS-232 standard. All instrument functions can be

Parts List DS360 Ultra Low Distortion Function Generator 6-12C 722 5-00225-548 .1U AXIAL Capacitor, Ceramic, 50V,+80/-20% Z5U AX C 723 5

Parts List DS360 Ultra Low Distortion Function Generator 6-13N 104 4-00334-425 10KX5 Resistor Network SIP 1/4W 2% (Common) N 501

Parts List DS360 Ultra Low Distortion Function Generator 6-14U 118 3-00049-340 74HC74 Integrated Circuit (Thru-hole Pkg) U 119 3

Parts List DS360 Ultra Low Distortion Function Generator 6-15)Analog Board Parts List This section covers schematics ANA-1 through ANA-7. Analog B

Parts List DS360 Ultra Low Distortion Function Generator 6-16C 237 5-00225-548 .1U AXIAL Capacitor, Ceramic, 50V,+80/-20% Z5U AX C 238 5

Parts List DS360 Ultra Low Distortion Function Generator 6-17C 403 5-00012-501 330P Capacitor, Ceramic Disc, 50V, 10%, SL C 404

Parts List DS360 Ultra Low Distortion Function Generator 6-18C 703 5-00321-509 2200U Capacitor, Electrolytic, 50V, 20%, Rad C 704 5

Parts List DS360 Ultra Low Distortion Function Generator 6-19C 760 5-00100-517 2.2U Capacitor, Tantalum, 35V, 20%, Rad C 761

Parts List DS360 Ultra Low Distortion Function Generator 6-20K 404 3-00523-335 G6AK-234P-ST-UC Relay K 405 3

Parts List DS360 Ultra Low Distortion Function Generator 6-21Q 507 3-00022-325 2N3906 Transistor, TO-92 Package Q 508

Abridged Command List xi DS360 Ultra Low Distortion Function Generator Abridged Command List Syntax Commands which have a question mark in pa

Parts List DS360 Ultra Low Distortion Function Generator 6-22R 225 4-00161-407 2.49K Resistor, Metal Film, 1/8W, 1%, 50PPM R 226 4

Parts List DS360 Ultra Low Distortion Function Generator 6-23R 418 4-00135-407 1.50K Resistor, Metal Film, 1/8W, 1%, 50PPM R 419

Parts List DS360 Ultra Low Distortion Function Generator 6-24R 541 4-00347-407 7.50K Resistor, Metal Film, 1/8W, 1%, 50PPM R 542 4

Parts List DS360 Ultra Low Distortion Function Generator 6-25R 621 4-00522-407 243 Resistor, Metal Film, 1/8W, 1%, 50PPM R 622 4-00490-407

Parts List DS360 Ultra Low Distortion Function Generator 6-26U 210 3-00094-340 LM311 Integrated Circuit (Thru-hole Pkg) U 301 3

Parts List DS360 Ultra Low Distortion Function Generator 6-27Front Panel Parts List This section covers schematics FP-1 through FP-2. Front Panel

Parts List DS360 Ultra Low Distortion Function Generator 6-28D 138 3-00012-306 GREEN LED, Rectangular D 139 3

Parts List DS360 Ultra Low Distortion Function Generator 6-29Z 0 0-00048-011 6-32 KEP Nut, Kep Z 0 0-0

Parts List DS360 Ultra Low Distortion Function Generator 6-30Z 0 6-00119-614 FT82-77 Iron Powder Core Z 0 6-001

Parts List DS360 Ultra Low Distortion Function Generator 6-31Distortion Filter Parts List This section covers schematics PROGR-1. Distortion Filte

xii Abridged Command List DS360 Ultra Low Distortion Function Generator Setup Control Commands *IDN? 4-17 Returns the DS360 device identification s

Parts List DS360 Ultra Low Distortion Function Generator 6-32Miscellaneous and Chassis Parts List Miscellaneous and Chassis Assembly Ref No. Ref No

Getting Started 1-1 DS360 Ultra Low Distortion Function Generator Chapter 1 Getting Started These examples are designed to acquaint the first ti

1-2 Getting Started DS360 Ultra Low Distortion Function Generator

Getting Started 1-3 DS360 Ultra Low Distortion Function Generator Front Panel Operation Parameters are set in the DS360 using the front panel

Getting Started 1-4 DS360 Ultra Low Distortion Function Generator Continuous Waveforms This section discribes how to set up different continuous

Getting Started 1-5 DS360 Ultra Low Distortion Function Generator Frequency Sweeps This section discribes how to set up a linear or logarithmi

Certification Stanford Research Systems certifies that this product met its published specifications at the time of shipment. Stanford Research System

1-6 Getting Started DS360 Ultra Low Distortion Function Generator Tone Bursts This section discribes how to set up tone bursts. The DS360 can produce

Basics 2-1 DS360 Ultra Low Distortion Function Generator Chapter 2 Basics In this Chapter Introduction 2-3 Traditional Function Generators

2-2 Basics DS360 Ultra Low Distortion Function Generator

Basics 2-3 DS360 Ultra Low Distortion Function Generator Introduction to Precision Waveform Synthesis The DS360 uses Direct Digital Synthesis an

2-4 Basics DS360 Ultra Low Distortion Function Generator DDS with Advanced Signal Processing A block diagram for the DS360 is shown in Figure 1. The D

Basics 2-5 DS360 Ultra Low Distortion Function Generator Front Panel Features –+WHT NOISEDIGITALBALUNBALLIN SWPSHIFTON/STBY40V max.DEPTHTRIG SR

2-6 Basics DS360 Ultra Low Distortion Function Generator Keypad Figure 2-3 Keypad Function Keys These keys control the main function output. The [∧]

Basics 2-7 DS360 Ultra Low Distortion Function Generator change causes the currently displayed modify function to become invalid, the display w

2-8 Basics DS360 Ultra Low Distortion Function Generator Outputs –+40V max.+–COMMON40 VDC MAX.GROUNDTTLTTLTRIGGER/GATE INSYNC OUTXLR OUTPUT BNC OUTPUT

Basics 2-9 DS360 Ultra Low Distortion Function Generator Indicators REM SRQACT ERRSTATUSFREQAMPLSTP/BWSTR/CTRIGRCOUNTOFFSETOUTPUTONOFFTRIG&apos

i DS360 Ultra Low Distortion Function Generator Safety and Preparation for Use WARNING! Dangerous voltages, capable of causing injury or death,

2-10 Basics DS360 Ultra Low Distortion Function Generator Parameter LEDs These LEDs indicate which parameter is currently displayed in the parameter d

Basics 2-11 DS360 Ultra Low Distortion Function Generator Display Hz dBkHz dBV% dBmVp-pVrmsVDC Figure 2-6 Display Parameter Display This 8 dig

2-12 Basics DS360 Ultra Low Distortion Function Generator Rear Panel Features FUSEPULLRS232 (DCE)SWEEP OUT BURST TRIG OUTIEEE-488 STD PORTCHASSISG

Basics 2-13 DS360 Ultra Low Distortion Function Generator Outputs and Computer Interface Figure 2-8 Outputs & Computer Interfaces IEEE-

2-14 Basics DS360 Ultra Low Distortion Function Generator

Operation 3-1 DS360 Ultra Low Distortion Function Generator Chapter 3 Operation The following sections describe the operation of the DS360. Th

3-2 Operation DS360 Ultra Low Distortion Function Generator Troubleshooting 3-21 GPIB Problems 3-21 RS232 Problems 3-21 Error Messages

Operation 3-3 DS360 Ultra Low Distortion Function Generator Power On Power On When power is first applied to the DS360 the unit will display its

3-4 Operation DS360 Ultra Low Distortion Function Generator Setting Functions The following section describes how to set the parameters for the basic

Operation 3-5 DS360 Ultra Low Distortion Function Generator If the function is set to White Noise or Pink Noise the character of the noise is f

ii DS360 Ultra Low Distortion Function Generator

3-6 Operation DS360 Ultra Low Distortion Function Generator 0001121000. ≤≤AmpToneAmpTone If the amplitude of either Tone1 or Tone 2 is set outside o

Operation 3-7 DS360 Ultra Low Distortion Function Generator Unbalanced 600 ΩΩΩΩ Output Amplitude Ranges Function Vpp Vrms dBm dBV Sine 5 µV -

3-8 Operation DS360 Ultra Low Distortion Function Generator * The rms, dBm and dBV values for White & Pink Noise are based on the total power i

Operation 3-9 DS360 Ultra Low Distortion Function Generator Output Configuration This section describes how to configure the output type and sou

3-10 Operation DS360 Ultra Low Distortion Function Generator The output impedance changes for unbalanced and balanced. Each output (positive and negat

Operation 3-11 DS360 Ultra Low Distortion Function Generator Modify Function This section describes how to set the modify functions on the DS360

3-12 Operation DS360 Ultra Low Distortion Function Generator minimize this, keep stop frequencies below 130 kHz when sweeping at maximum amplitude. Sw

Operation 3-13 DS360 Ultra Low Distortion Function Generator (from the TRIGGER IN, computer interface or front panel) and the actual beginning o

3-14 Operation DS360 Ultra Low Distortion Function Generator computer interfaces. In addition, the output can be gated on and off from the TRIGGER/GAT

Operation 3-15 DS360 Ultra Low Distortion Function Generator If a value that is greater than or equal to the current burst rate is entered the u

Table of Contents iii DS360 Ultra Low Distortion Function Generator Table of Contents Safety and Preparation For Use i Table of Contents i

3-16 Operation DS360 Ultra Low Distortion Function Generator the current value. If an out of range value is entered, the unit will beep, display “Dept

Operation 3-17 DS360 Ultra Low Distortion Function Generator Center Frequency The center frequency can vary from 0 Hz to 200.000 kHz in 200 Hz i

3-18 Operation DS360 Ultra Low Distortion Function Generator Instrument Setup This section describes the DS360’s default settings, storing and recalli

Operation 3-19 DS360 Ultra Low Distortion Function Generator message “Store Done” will be displayed to indicate that the settings have been sto

3-20 Operation DS360 Ultra Low Distortion Function Generator DS360’s input data queue. The data is displayed in ASCII hex format, where each character

Operation 3-21 DS360 Ultra Low Distortion Function Generator Troubleshooting Nothing Happens on Power On Make sure that the power entry module o

3-22 Operation DS360 Ultra Low Distortion Function Generator value.The DS360 is configured to send or receive: 2 stop bits, 8 data bits and no parity

Operation 3-23 DS360 Ultra Low Distortion Function Generator Self-Test Errors Message Meaning CPU ERR The DS360 detected a problem with the CP

3-24 Operation DS360 Ultra Low Distortion Function Generator LD DONE This message occurs after succesfully loading the DSP memory. RECALL Recall m

Remote Programming 4-1 DS360 Ultra Low Distortion Function Generator Chapter 4 Remote Programming In this Chapter Index of Commands 4-2 Introd

iv Table of Contents DS360 Ultra Low Distortion Function Generator Burst Test 5-18 DC Offset Test 5-19 Output Impedance Test 5-21 DS360 Performa

4-2 Remote Programming DS360 Ultra Low Distortion Function Generator Status Reporting Commands 4-16 Hardware Test & Calibration Commands 4-17

Remote Programming 4-3 DS360 Ultra Low Distortion Function Generator Index of Commands Variables i, j, k, n integers x real numbers Function O

4-4 Remote Programming DS360 Ultra Low Distortion Function Generator Setup Control Commands *IDN? 4-17 Returns the DS360 device identification strin

Remote Programming 4-5 DS360 Ultra Low Distortion Function Generator Introduction The DS360 Ultra Low Distortion Function Generator may be remo

4-6 Remote Programming DS360 Ultra Low Distortion Function Generator Command Format Communication with the DS360 uses ASCII characters. Commands may b

Remote Programming 4-7 DS360 Ultra Low Distortion Function Generator When using the GPIB interface, serial polling may be used to check the No

4-8 Remote Programming DS360 Ultra Low Distortion Function Generator Command Syntax The four letter mnemonic in each command sequence specif

Remote Programming 4-9 DS360 Ultra Low Distortion Function Generator Function Output Control Commands Note: The analog output control commands

4-10 Remote Programming DS360 Ultra Low Distortion Function Generator OUTE (?) i The OUTE command disables the output for i=0 and enables the output f

Remote Programming 4-11 DS360 Ultra Low Distortion Function Generator The TTAA? query will return the amplitude in the currently displayed unit

Table of Contents v DS360 Ultra Low Distortion Function Generator Table of Figures Figure 2-1 Block Diagram 2-4 Figure 2-2 Front Panel

4-12 Remote Programming DS360 Ultra Low Distortion Function Generator Modify Function Commands Note: Most of the modify function parameters may be sel

Remote Programming 4-13 DS360 Ultra Low Distortion Function Generator i Source 0 INTERNAL 1 EXTERNAL 2 SINGLE 3 GATE (burst only) If the trigg

4-14 Remote Programming DS360 Ultra Low Distortion Function Generator NRCT (?) x The NRCT command sets the Noise Rate Count to x. The NRCT? query retu

Remote Programming 4-15 DS360 Ultra Low Distortion Function Generator Setup Control commands *IDN? The *IDN? common query returns the DS360 dev

4-16 Remote Programming DS360 Ultra Low Distortion Function Generator Status Reporting Commands Note: See tables at the end of the programming section

Remote Programming 4-17 DS360 Ultra Low Distortion Function Generator Hardware Test and Calibration Commands *TST? The *TST? common query runs

4-18 Remote Programming DS360 Ultra Low Distortion Function Generator $PST (?) i The $PST command sets the DS360 post-amplifier attenuators to range i

Remote Programming 4-19 DS360 Ultra Low Distortion Function Generator Status Byte Definitions The DS360 reports on its status by means of three

4-20 Remote Programming DS360 Ultra Low Distortion Function Generator Standard Event Status Byte Bit Name Set When 0 Unused 1 Unused 2 Query Err

Remote Programming 4-21 DS360 Ultra Low Distortion Function Generator Example Programs Using Microsoft C with the National Instruments GPIB car

vi Contents DS360 Ultra Low Distortion Function Generator

4-22 Remote Programming DS360 Ultra Low Distortion Function Generator Example1: GPIB Communication in C language /* C program to demonstrate commun

Remote Programming 4-23 DS360 Ultra Low Distortion Function Generator Example 2: RS232 communication in BASIC language BASIC program to demo

4-24 Remote Programming DS360 Ultra Low Distortion Function Generator

5-1 DS360 Ultra Low Distortion Function Generator Chapter 5 Performance Tests The performance tests described in this section are designed t

5-2 Performance Tests DS360 Ultra Low Distortion Function Generator

Performance Tests 5-3 DS360 Ultra Low Distortion Function Generator Getting Ready Parameters are set in the DS360 using the front panel keypad o

5-4 Performance Tests DS360 Ultra Low Distortion Function Generator Instrument Critical Specification Recommended Model Analog Oscilloscope 100 MH

Performance Tests 5-5 DS360 Ultra Low Distortion Function Generator Distortion Measurements The notch filters described here are used with a spe

5-6 Performance Tests DS360 Ultra Low Distortion Function Generator Total harmonic distortion can be calculated from the following formula:

Performance Tests 5-7 DS360 Ultra Low Distortion Function Generator 1. Front Panel Test This test verifies the functionality of the front panel

Specifications vii DS360 Ultra Low Distortion Function Generator Specifications Waveforms Sine Frequency 0.01 Hz to 200.000 kHz THD 1 VRMS U

5-8 Performance Tests DS360 Ultra Low Distortion Function Generator 2. Self Tests This test verifies that the DS360’s memory and processors are functi

Performance Tests 5-9 DS360 Ultra Low Distortion Function Generator 3. Frequency This test measures the frequency accuracy of the DS360. Setup C

5-10 Performance Tests DS360 Ultra Low Distortion Function Generator 4. Amplitude This test measures the amplitude accuracy of the DS360. For the sin

Performance Tests 5-11 DS360 Ultra Low Distortion Function Generator b) Press [∨] (output down) to select balanced output. c) Press

5-12 Performance Tests DS360 Ultra Low Distortion Function Generator c) Record the VRMS value from the DVM and the VPEAK-PEAK value from the scope.

Performance Tests 5-13 DS360 Ultra Low Distortion Function Generator 5. Harmonic Distortion and Noise These tests check the harmonic distortion

5-14 Performance Tests DS360 Ultra Low Distortion Function Generator a) Connect the + output of the DS360 directly to the spectrum analyzers input.

Performance Tests 5-15 DS360 Ultra Low Distortion Function Generator 6. Waveforms These procedures check the various output waveform characteris

5-16 Performance Tests DS360 Ultra Low Distortion Function Generator b) Press [∨] (function down) to select 2-Tone. [FREQ] [1] [kHz] [AMPL]

Performance Tests 5-17 DS360 Ultra Low Distortion Function Generator 7. Sweeps These procedures test the flatness of frequency sweeps. Setup Con