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UTG4000A Operating Manual Introduction Dear Users: Hello! Thank you for choosing this brand new UNI-T device. In order to safely and correctly use this instrument, please read this manual thoroughly, especially the Safety Notes part. After reading this manual, it is recommended to keep the manual at an easily...
Document Version UTG4000A-20160618-EN-V1.2 Statement ● UNI-T products are protected by patent rights in China and foreign countries, including issued and pending patents. ● UNI-T reserves the rights to any product specification and pricing changes. ● UNI-T reserves all rights. Licensed software products are properties of Uni-Trend and its subsidiaries or suppliers, which are protected by national copyright laws and international treaty provisions.
UNI-T, pay the shipping cost, and provide a copy of the purchase receipt of the original purchaser. If the product is shipped domestically to the location of the UNI-T service center, UNI-T shall pay the return shipping fee.
UTG4000A Operating Manual Chapter 1 Safety Information 1.1 Safety Terms and Symbols The following terms may appear in this quick guide: Warning: The conditions and behaviors may endanger life. Caution: The conditions and behaviors may cause damage to the product and other properties.
UTG4000A Operating Manual 1.2 General Safety Overview This instrument is designed and produced in strict accordance with GB4793 Safety Requirements for Electronic Measuring Apparatus and IEC61010-1 safety standard, up to insulation and overvoltage standard CAT II 300V and safety standard for level-II pollution. Please read the following preventive safety measures: ●...
UTG4000A Operating Manual Chapter 2 Quick Start 2.1 General Inspection When you get a new function/arbitrary waveform generator, you are advised to inspect the instrument according to the following steps. 2.1.1 Inspect Whether Damage is Caused by Transportation If the packaging box or foamed plastic supplementary mat is seriously damaged, please contact with dealer of the product or local office.
UTG4000A Operating Manual Figure 2-1 Structure of front panel 2.2.3 Function Interface Function interface is shown in Figure 2-2: Soft Waveform labels parameter list Waveform display area Figure 2- 2 Function interface...
UTG4000A Operating Manual 2.2.4 Back Panel Back panel is shown in Figure 2-3: Figure 2-3 Structure of back panel 2.3.1 Output Basic Waveform 2.3.2 Set Output Frequency The default configuration of waveform is a sine wave with frequency of 1kHz and peak-to-peak amplitude of 100mV (terminating at 50Ω) when powering on.
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UTG4000A Operating Manual Figure 2- 4 Setting of selected frequency 2. Input the required number 2.5 with numeric keyboard. The left direction key can be used as backspace during input. Figure 2- 5 Set frequency 3. Select required unit Press soft key of corresponding unit. The waveform generator outputs waveform with the displayed frequency when you select unit (if output has been used).
UTG4000A Operating Manual 4. Use multi-functional knob and direction key for parameter setting In default state, rotate multi-functional knob to switch between multiple soft keys of function menu. When setting some parameter, press the multi-functional knob to select a bit of the parameter after selecting the corresponding parameter, when the parameter bit is highlighted in blue.
UTG4000A Operating Manual 2.3.4 Set DC Offset Voltage The default configuration of waveform is a sine wave with DC offset voltage of 0V (terminating at 50Ω) when powering on. The specific steps for changing DC offset voltage into -150mV are as follows: 1.
UTG4000A Operating Manual 2.3.5 Set Pulse Wave The duty ratio of pulse wave represents time quantum from the 50% threshold value of rising edge of the pulse to 50% threshold value of the next falling edge in each cycle (suppose waveform is not reversed). You can conduct parameter configuration for UTG4000A function/arbitrary waveform generator to output pulse waveform with variable pulse width and edge time.
UTG4000A Operating Manual 2.4 Frequency Measurement This function/arbitrary waveform generator can measure frequency and duty ratio of compatible TTL level signal. The range of frequency measurement is 100mHz~200MHz. When frequency meter is used, signal of compatible TTL level is input through external frequency meter interface (Counter connector).
UTG4000A Operating Manual Chapter 3 Advanced Applications 3.1 Output Modulation Waveform Select different modulation waveform by pressing the buttons in MODE area of control panel. The followings introduce the relative parameter setting of modulation waveform. Other parameter setting of modulation types are similar with the following. In amplitude modulation, the modulated waveform generally is composed of carrier wave and modulation wave.
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UTG4000A Operating Manual Figure 3-2 Select carrier waveform Set carrier frequency Carrier frequency range varies with carrier waveform. The default frequency of all carrier waves is 1kHz. See the table below for frequency range of carrier wave: Table 3- 1 Frequency Carrier waveform UTG4082A...
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UTG4000A Operating Manual Figure 3- 3 Select modulation source 1) Internal source In case of internal modulation source, modulation wave can be sine wave, square wave, oblique wave, or arbitrary wave, and is sine wave by default. After you use AM function, you can see that modulation wave is sine wave by default.
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UTG4000A Operating Manual Set modulation wave frequency The frequency of modulation wave can be set in case of internal modulation source. After you use AM function, you can see that frequency of modulation wave is 100Hz by default. You can change it with multi-functional knob and direction key on AM interface or by pressing Freq.
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UTG4000A Operating Manual Figure 3-4 Select AM function 2) Set modulation signal parameters Set with multi-functional knob and direction key after using AM function. You can also press soft keys of function on the above interface for using AM function. Figure 3-5 Set modulation parameters To set parameters, press corresponding soft key, input the required value and select the unit.
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UTG4000A Operating Manual Figure 3-6 Set frequency of modulation source 3) Set carrier signal parameters Select type of basic waveform in modulation mode. Press Square to select carrier signal as square wave. Figure 3-7 Set carrier frequency You can set with multi-functional knob and direction key, or press corresponding soft function keys.
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UTG4000A Operating Manual Figure 3-8 Select carrier duty ratio To set parameters, press corresponding soft key, input the required value and select the unit. Figure 3-9 Set carrier duty ratio 4) Set modulation depth Press soft key MOD to return to the interface below to set modulation depth after setting carrier parameters.
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UTG4000A Operating Manual Figure 4- 10 Select modulation depth You can set with multi-functional knob and direction key. You can also press soft key Depth again, input number 80 through numeric keyboard and press soft key % to set the modulation depth.
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UTG4000A Operating Manual 5) Use channel output Press CH1 on the front panel to quickly turn on output of channel 1. Backlight of CH1 is on after channel output is turned on, “OFF” on the right of CH1 information tag turns gray from white, and “ON”...
UTG4000A Operating Manual 3.2 Output Arbitrary Wave UTG4000A can stores 160 types of standard waveform in nonvolatile storage. The instrument creates and edits arbitrary waveform through computer software. The corresponding formatted file is stored in the external storage device (U disk) so that the instrument reads arbitrary waveform data file stored in U disk through USB interface of front panel and outputs arbitrary wave.
UTG4000A Operating Manual Figure 3- 15 Set point-by-point output function 3.2.3 Select Arbitrary Wave UTG4000A allows users to output arbitrary waveform in internal or external storage of the instrument. You can select the arbitrary wave you need with multi-functional knob and direction key on the interface for using arbitrary wave function or by pressing soft keys Arb and Wave successively.
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UTG4000A Operating Manual 数字接口 Digital interface 连接插头 Connecting plug 分接头1 分接头2 Tap 1 Tap 2 See the table below for correspondence of signal Table 3- 1 Pin name Function description Ground pin RS232_TXD, serial data sending SPI_CS,SPI enable SPI_SDO,SPI data sending end SPI_CLK,SPI clock I2C_SDA,SPI data terminal I2C_SCL,SPI clock terminal...
UTG4000A Operating Manual Signal generator can output three types of protocol coding: I2C, SPI and UART. (TTL), and support sending of continuous time and manual sending. Corresponding protocol parameters can be set in different protocol modes. Corresponding signal can be output through protocol output interface of front panel.
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UTG4000A Operating Manual Figure 3- 17 Select Baud rate Set bit Different bit number can be set as required. In UART mode, there are five different modes, 4, 5, 6, 7 and 8. The default is 4. To set Baud rate, please use multi-functional knob and direction key after selecting protocol or press soft function key Bit Type to select the required setting.
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UTG4000A Operating Manual multi-functional knob on interface for using protocol function or by pressing Data. The data can be sent with multiple numerical systems, including decimal system, hexadecimal system and character, as shown in the figure below. Figure 3- 19 Set data sent Multibyte sending can be set.
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UTG4000A Operating Manual Set sending mode Automatic and manual sending can be set. In the state of automatic sending, the instrument sends the set protocol coding in certain time; in manual mode, the instrument sends the set protocol signal when users press the send key. 1) Automatic sending mode Press soft function key SendMode to adjust to “AUTO”...
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UTG4000A Operating Manual Figure 3- 22 Set manual sending Set stop bit Different stop bit width can be set in UART protocol. Press soft function key Stop Bit to set different stop bit width, which can be 1 or 2 and is 1 by default. Figure 3- 23 Set stop bit...
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UTG4000A Operating Manual Set check bit Check mode can be set in UART protocol. Press soft function key Parity to set different check mode, which can be no, odd and even and is no by default. Figure 3- 24 Set check bit Comprehensive example First make the instrument run in UART mode, and then set Baud rate of the instrument to be 4800, data to be decimal 5, 20, 13 or 14, check to be odd, stop bit to be 1 and sending...
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UTG4000A Operating Manual Figure 3- 25 Select UART function 2) Set Baud rate to be 4800 Press soft function key Baud Rate to set Baud rate in UART mode. You can set with multi-functional knob and direction key. You can also press corresponding soft function keys again, when the interface below will pop up.
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UTG4000A Operating Manual Figure 3- 27 Select bit 4) Set data sent Press soft function key Data for data setting in UART mode. You can set with multi-functional knob and direction key. You can also press corresponding soft function keys again, when the interface below will pop up.
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UTG4000A Operating Manual Figure 3- 29 Set send time 6) Set stop bit Press soft function key Stop Bit to set sending mode and set stop bit to be 1 in UART mode. Figure 3- 30 Set stop bit 7) Set check bit 8) Press soft function key Parity to set check bit to be “Odd”...
UTG4000A Operating Manual Figure 3- 31 Set check bit Function of Digital Arbitrary Wave Function /arbitrary waveform generator can generate any digital signal and corresponding clock signal for parameters and output through digital interface of front panel in mode of digital arbitrary wave Select digital arbitrary wave Press DIGITAL, Type and DArb successively to use function of digital arbitrary wave (if...
UTG4000A Operating Manual Figure 3- 32 Select function of digital arbitrary wave Set Clock The sending clock of digital arbitrary wave can be set as required by users. Press function key Clock in mode of digital arbitrary wave to set sending clock with numeric key in the range of 1kHz~40MHz.
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UTG4000A Operating Manual Set data sent Different bit number can be set as required. Set with multi-functional knob and direction key after selecting protocol or by pressing soft function key Data and using numeric key. The data can be sent with multiple numerical systems, including decimal system, hexadecimal system and character, which is shown in the figure below.
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UTG4000A Operating Manual Figure 3- 35 Set data sent Set sending mode Automatic and manual sending can be set. In the state of automatic sending, the instrument sends the set protocol coding in certain time; in manual mode, the instrument sends the set protocol signal when users press the send key.
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UTG4000A Operating Manual 2) Manual sending mode Press soft function key SendMode to adjust to “Manual” to set manual sending mode of the instrument. Press soft function key Send, the instrument will output the set waveform. Figure 3- 37 Set manual sending Comprehensive example First make the instrument run in mode of digital arbitrary wave, and then set output data of the instrument to be decimal 27, 131, 9 or 31.
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UTG4000A Operating Manual Figure 3- 38 Select function of digital arbitrary wave 2) Set Clock Press soft function key Clock for data setting in mode of digital arbitrary wave. You can set with multi-functional knob and direction key. You can also press corresponding soft function keys again and set corresponding data to be 200kHZ with numeric key.
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UTG4000A Operating Manual Figure 3- 40 Set data sent 4) Set sending mode Press soft function key Send Mode in digital arbitrary wave mode to set sending mode to be “Continue”. Figure 3- 41 Set sending mode...
UTG4000A Operating Manual Chapter 4 Fault Handling Possible faults in use of UTG4000A and troubleshooting methods are listed below. If these faults occur, please handle them according to corresponding steps. If they cannot be handled, please contact with the dealer or local office, and provide the information about your machine (method: press Utility and System successively).
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UTG4000A Operating Manual This user manual may be revised without prior notice...
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