VOLTCRAFT FG-2102 User Manual
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VOLTCRAFT FG-2102 User Manual

VOLTCRAFT FG-2102 User Manual

Dual-channel arbitrary waveform generator
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Dual-Channel Arbitrary
Waveform Generator
User Manual
 FG-2102
 FG-2252
 FG-2502
 FG-2602

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Summary of Contents for VOLTCRAFT FG-2102

  • Page 1 Dual-Channel Arbitrary Waveform Generator User Manual  FG-2102  FG-2252  FG-2502  FG-2602...
  • Page 2 General Warranty We warrants that the product will be free from defects in materials and workmanship for a period of 3 years (1 year for accessories) from the date of purchase of the product by the original purchaser from the our Company. This warranty only applies to the original purchaser and is not transferable to the third party.

  • Page 3: Table Of Contents

    Table of Contents 1.General Safety Requirements ..................1 2.Safety Terms and Symbols ..................2 3.General Characteristics ..................... 3 4.Quick Start ........................ 4 Front/Rear Panel and User Interface ................... 5 Front Panel ............................... 5 Rear Panel ..............................6 User Interface ............................7 General Inspection ......................
  • Page 4 FSK (Frequency Shift Keying) ........................26 ASK (Amplitude Shift Keying) ......................... 28 PSK (Phase Shift Keying) ......................... 29 To Generate Sweep ......................30 To Generate Burst ......................31 Set the N-Cycle Burst ..........................32 Set the Gated Burst ..........................33 To Save and Recall ......................

  • Page 5: General Safety Requirements

    1.General Safety Requirements 1. General Safety Requirements Before any operations, please read the following safety precautions to avoid any possible bodily injury and prevent this product or any other products connected from damage. In order to avoid any contingent danger, this product is only used within the range specified.

  • Page 6: Safety Terms And Symbols

    2.Safety Terms and Symbols 2. Safety Terms and Symbols Safety Terms Terms in this Manual. The following terms may appear in this manual: Warning: Warning indicates the conditions or practices that could result in injury or loss of life. Caution: Caution indicates the conditions or practices that could result in damage to this product or other property.

  • Page 7: General Characteristics

    3.General Characteristics 3. General Characteristics The product is dual-channel multi-function generator which combines Arbitrary Waveform Generation and Function Generation. The product introduces Direct Digital Synthesizer (DDS) technology to provide stable, precise, pure and low distortion signal. The user-friendly interface design and panel layout bring exceptional user experience. Support USB storage device.

  • Page 8: Quick Start

    4.Quick Start 4. Quick Start This chapter will deal with the following topics mainly: Front/Rear Panel Overview  User Interface Overview  How to Implement General Inspection  How to Adjust the Foot Stools  How to Implement Power-On Check ...

  • Page 9: Front/Rear Panel And User Interface

    4.Quick Start Front/Rear Panel and User Interface Front Panel ① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ ⑱ ⑲ ⑰ ⑮ ⑭ ⑬ ⑫ ⑯ Figure 4-1 Front panel overview (FG-2252 shown) ① LCD Display the user interface ②...

  • Page 10: Rear Panel

    4.Quick Start when CH2 is tuned on. ⑩ CH2 Output Output signal of CH2 ⑪ Foot stool Make the instrument to be tilted for ease of operation ⑫ CH1 Output Control Turn on/off the output of CH1. The backlight will be lighted when CH1 is tuned on.

  • Page 11: User Interface

    4.Quick Start ① Power socket AC input connector ② Fuse The rating is 220 - 240 VAC 250 V, F0.5AL ③ USB (type B) This can be used to connect a USB type B controller. connector Connect with an external device, such as connected to a PC and controlled via PC software.

  • Page 12: General Inspection

    4.Quick Start ⑥ Parameter 2, display parameter and edit the focused parameter ⑦ Display current waveform ⑧ Offset/low level, depends on the highlighted menu item on the right ⑨ Amplitude/high level, depends on the highlighted menu item on the right ⑩...

  • Page 13: Power On

    4.Quick Start at the rear panel. To change the voltage scale of the instrument, do the following steps: (1) Turn off the power button at the front panel and remove the power cord. (2) Regulate the Power Switch to the desired voltage scale. Power On (1) Connect the instrument to the AC supply using the supplied power cord.

  • Page 14: Front Panel Operation

    5.Front Panel Operation 5. Front Panel Operation This chapter will deal with the following topics mainly:  How to Set Channels  How to Output Sine Signals  How to Output Square Signals  How to Output Ramp Signals  How to Output Pulse Signals ...

  • Page 15: To Set Channels

    5.Front Panel Operation To set channels  To Switch Channels for Display Press CH1/2 button to switch channel displayed on the screen between CH1 and CH2.  To Display/Edit Both Channels Press Both button to display the parameters of both channels. To switch channel: Press CH1/2 to switch the editable channel.

  • Page 16: To Set Signals

    5.Front Panel Operation To set signals The following describes how to set and output Sine, Square, Ramp, Pulse, Noise, Arbitrary, DC signals and copy channel. To Output Sine Signals Press button to call the user interface of Sine signal, the Sine waveform parameters can be set by operating the Sine setting menu on the right.

  • Page 17: To Set The Amplitude

    5.Front Panel Operation Figure 5-3: Set the frequency using number keys To Set the Amplitude Press F2 , confirm whether the "Ampl" menu item is highlighted; if not, press F2 to switch into "Ampl". In Parameter 2, a cursor appears under the value of amplitude. Use the knob or the number keys to set the desired value.

  • Page 18: To Set The Duty Cycle

    5.Front Panel Operation the output signal is set to 2.5Vpp amplitude and 1.25V offset. Parameter 1 Frequency Current signal Channel Load Amplitude Setting menu of Offset Square signal Duty cycle Parameter 2 Parameter 3 Figure 5-4: The User Interface of Square Signal Term Explanation Duty Cycle: The percentage that the High Level takes up the whole Period.

  • Page 19: To Output Ramp Signals

    5.Front Panel Operation To Output Ramp Signals Press button to call the user interface of Ramp signal, the Ramp waveform parameters can be set by operating the Ramp setting menu on the right. The parameters of Ramp waveform are: Frequency/Period, Amplitude/High Level, Offset/Low Level, Symmetry.

  • Page 20: To Output Pulse Signals

    5.Front Panel Operation Figure 5-7: Set the symmetry of Ramp signal To Output Pulse Signals Press button to call the user interface of Pulse signal, the Pulse waveform parameters can be set by operating the Pulse setting menu on the right. The parameters of Pulse waveform are: Frequency/Period, Amplitude/High Level, Offset/Low Level, Pulse Width/Duty.

  • Page 21: To Set The Pulse Width / Duty Cycle

    5.Front Panel Operation Term Explanation Pulse Width: There are two kinds of Pulse Width—positive and negative. Positive Pulse Width is the time span between thresholds of 50% of the rising edge amplitude to the next 50% of the falling edge amplitude. Negative Pulse Width is the time span between thresholds of 50% of the falling edge amplitude to the next 50% of the rising edge amplitude.

  • Page 22: To Output Arbitrary Signals

    5.Front Panel Operation Noise waveform Current signal Channel Load Amplitude Setting menu Offset of Noise signal Parameter 2 Parameter 3 Figure 5-10: The User Interface of Noise Signal To Output Arbitrary Signals Press button to call the user interface of Arbitrary signal, the Arbitrary waveform parameters can be set by operating the Arbitrary setting menu on the right.

  • Page 23: To Select The Built-In Waveform

    5.Front Panel Operation To Select the Built-in Waveform There are 45 built-in Arbitrary waveforms. Steps for selecting the built-in waveform: (1) Press button, then press F4 to enter the Built-in Wform menu. (2) Press F1 - F4 to select Common, Maths, Window or Others. E.g. select Maths to enter the following interface.

  • Page 24: The User-Definable Waveform

    5.Front Panel Operation Sinc Sinc function Tangent Cotangent Sqrt Square root Square function HaverSine HaverSine function Lorentz Lorentz function Natural logarithm function Cubic Cubic function Cauchy Cauchy distribution Besselj BesselI function Bessely BesselII function Error function Airy Airy function Windows Rectangle Rectangle window Gauss...
  • Page 25 5.Front Panel Operation How to Create a New Waveform (1) Enter the operation menu: Press →Editable Wform →Create Wform. (2) Set the number of waveform points: Press F1 to select "Wform Points", turn the knob or press the number keys to input the desired value and choose the unit. X1, XK, XM respectively represent 1, 1000, 1000,000.

  • Page 26: To Output Dc

    5.Front Panel Operation To Output DC (1) Press CH1/2 to select the channel that you want to output DC. (2) Press button, then press F4 to enter the Built-in Wform menu. (3) Press F4 to select Others. Select DC. Press F1 to output DC. (4) Press F3 , confirm whether the "Offset"...
  • Page 27 5.Front Panel Operation AM Frequency Current Parameter Load Modulating Waveform Mod Depth Carrier Waveform Mod Type Mod Shape Source Carrier Carrier Amplitude Frequency Figure 5-13: The User Interface of AM How to set the parameters of AM (1) Press Mod function button, then press F1 to select Mod. (2) Press F1 to switch Mod Type to AM.

  • Page 28: Fm (Frequency Modulation)

    5.Front Panel Operation Term Explanation AM Frequency: The frequency of modulating waveform. Mod Depth: The Amplitude Range of modulating waveform. In the 0% Modulation, the output amplitude is the half of the set one. In the 100％ Modulation, the output amplitude is the same with the set one.

  • Page 29: Pm (Phase Modulation)

    5.Front Panel Operation (5) Press F2 to choose Mod Shape, you can choose Sine, Square ,Ramp, Noise or Arb . (6) Press F3 to set Mod Frequency. The range is 2 mHz - 20 kHz (Internal source only). (7) Press F4 to set FM Deviation. The Deviation should be less than the Carrier Waveform Frequency.

  • Page 30: Pwm (Pulse Width Modulation)

    5.Front Panel Operation page 12. Press button again to return to the Modulation mode interface. (4) Press F5 to select the source. If the source is External, use the Ext Mod In connector in the rear panel to input the external signal, then skip ahead to step (7). If you choose Internal, continue to the steps below.
  • Page 31 5.Front Panel Operation Frequency generator or the Signal Voltage Level offered by the Ext Trig/Burst/Fsk In connector in the rear panel. The Carrier Waveform can only be Sine. The user interface of the FSK is shown as below. FSK Rate Current Parameter Load Modulating Waveform...

  • Page 32: Ask (Amplitude Shift Keying)

    5.Front Panel Operation Term Explanation FSK Rate: The frequency at which the output frequency shifts between the carrier frequency and the Hop frequency (Internal Modulation only). ASK (Amplitude Shift Keying) Amplitude Shift Keying modulation is a modulation technique that shifts the output signal amplitude between two amplitudes: the carrier amplitude and modulating amplitude.

  • Page 33: Psk (Phase Shift Keying)

    5.Front Panel Operation amplitude with the specified ASK rate, and then returns to the original amplitude. Term Explanation ASK Rate: The rate at which the output amplitude shifts between the carrier amplitude and the modulating amplitude is called the ASK rate (Internal Modulation only). PSK (Phase Shift Keying) Phase Shift Keying modulation is a modulation technique that shifts the output signal phase between two phases: the carrier phase and modulating phase.

  • Page 34: To Generate Sweep

    5.Front Panel Operation the Slope is set to Negative. (6) Press F4 to set Phase Deviation. Carrier waveform phase shifts to the modulating phase with the specified PSK rate, and then returns to the original phase. Term Explanation PSK Rate: The rate at which the output phase shifts between the carrier phase and the modulating phase is called the PSK rate (Internal Modulation only).

  • Page 35: To Generate Burst

    5.Front Panel Operation (3) Press to set Sweep Time, the Time Span of the Sweep for which the Frequency changes from the Start Frequency to Stop Frequency. (4) Press F2 to select the Sweep Type. Linear means setting the Sweep with linear spacing;...

  • Page 36: Set The N-Cycle Burst

    5.Front Panel Operation Set the N-Cycle Burst Current Parameter Load Start Phase N Cycle Cycles Waveform Source Figure 5-20: The User Interface of N-Cycle Burst (1) When the output signal is Sine, Square, Ramp, Pulse or Arbitrary waveform, press the Mod button, then press F3 to select Burst.

  • Page 37: Set The Gated Burst

    5.Front Panel Operation Set the Gated Burst Current Parameter Load Positive Start Phase Gated Waveform Source Figure 5-21: The User Interface of Gated Burst (1) When the output signal is Sine, Square, Ramp, Pulse or Arbitrary waveform, press the Mod button, then press F3 to select Burst. (2) Press button to choose the waveforms.

  • Page 38: To Edit The File Name

    5.Front Panel Operation level, Up one level, New folder, Delete, Rename, Copy, Paste. (3) Remove the USB device: Remove the USB device from the USB port on the front panel. The system will inform you "The USB device is removed", and the "USBDEVICE"...

  • Page 39: To Set The Separator

    5.Front Panel Operation To Set the Separator The user can set the separator of the displayed parameter. (1) Press Utility and choose Disp Setup, press F2 to select Sep. (2) Press F2 to switch between Comma, Space, Off. Take the Frequency parameter for instance: Comma Space To Set the Screen Saver...

  • Page 40: To Set Output Parameter

    5.Front Panel Operation measuring the low frequency signal, and improve the measure accuracy. To measure low frequency signal lower than 1 kHz, you should put on the high frequency restrain to filter the high frequency noise disturb. To measure high frequency signal higher than 1 kHz, you should put off the high frequency restrain.

  • Page 41: To Set The System

    5.Front Panel Operation To Set the System Language Setting Press Utility and choose System, press F1 to switch display languages. Power On Setting (1) Press Utility and choose System, press F2 to select Power On. (2) Press F2 to switch between Default/Last. Default means that all the settings return to default when powered.

  • Page 42: To Set The Beep

    5.Front Panel Operation FSK Rate 100 Hz ASK Rate 100 Hz PSK Rate 100 Hz Source Internal Sweep Default Start/Stop Frequency 100 Hz/1 kHz Time 1 sec Mode Linear Burst Default Frequency 1 kHz Count 1 Cycle Period 1 sec Phase 0°...

  • Page 43: To Set The Clock Source

    5.Front Panel Operation To Set the Clock Source The waveform generator provides an internal clock source and also accepts external clock source input from the [Ref Clk/Counter In] connector at the rear panel. It can also output a clock source from the [Ref Clk Out] connector for other device to use. Note: The amplitude of the [Ref Clk/Counter In] input signal must be over 1 V.

  • Page 44: Communication With Pc

    6.Communication with PC 6. Communication with PC The Waveform Generator supports communications with a PC through USB port. You can use the ultrawave communication software to set the parameters, control the output of the Waveform Generator. The Waveform Generator supports communications with a PC by SCPI commands through USB port.

  • Page 45: Scpi

    7.SCPI 7. SCPI The waveform generator supports SCPI, and the users can operate and control the device by USB port. FG Series Waveform Generator SCPI For the detailed information about SCPI, please refer to Protocol. 8. Troubleshooting 1. The instrument is powered on but no Display. ...

  • Page 46: Technical Specifications

    Exponential rise, Exponential fall, Sin(x)/x, Staircase, Arbitrary Waveforms etc. 45 built-in waveforms, User-Definable Waveform Numbers of channel Frequency Characteristic Frequency resolution: 1 μHz FG-2102,FG-2252 Max sampling rate 125 MSa/s, FG-2502 ,FG-2602 Max sampling rate 300 MSa/s Sine FG-2102 1 μHz—10 MHz FG-2252 1 μHz—25 MHz FG-2502 1 μHz—50 MHz...
  • Page 47 ±(1 % of |setting| + 1 mV + amplitude Vp-p * 0.5%) Output Impedance 50 Ω (typical) Waveform Characteristic Sine FG-2102 1 μHz to 10 MHz：±0.2 dB FG-2252 10 MHz to 25 MHz：±0.3 dB Flatness (when the Amplitude is 1 μHz to 10 MHz：±0.2 dB 1.0 V...
  • Page 48 9.Technical Specifications Pulse FG-2102 40 ns to 1000 ks FG-2252 Pulse Width FG-2502 20 ns to 1000 ks FG-2602 Accuracy 10 ns Rising/Falling Edge Time < 12 ns Overshoot < 5% FG-2102 1 ns + 30 ppm FG-2252 Jitter FG-2502...
  • Page 49 9.Technical Specifications Internal Modulating Waveforms Sine, Square, Ramp, White Noise, Arbitrary Internal PM Frequency 2 mHz - 20 kHz Phase Deviation 0° - 180° Carrier Waveforms Pulse Source Internal/ External Internal Modulating Waveforms Sine, Square, Ramp, Arbitrary Internal Modulating Frequency 2 mHz - 20 kHz Width Deviation Pulse width 0.0 ns to 200.00 usec...
  • Page 50 9.Technical Specifications Voltage Range and Sensitivity (non-modulation signal) DC offset range ±1.5 VDC DC coupled 100 mHz - 100 MHz 250 mV - 5 V (AC+DC) 100 MHz - 200 MHz 450 mV - 3 V (AC+DC) 1 Hz - 100 MHz 250 mV - 5 V AC coupled...
  • Page 51 9.Technical Specifications Display Display Type 3.9 inch colored LCD (Liquid Crystal Display) Display Resolution 480 (Horizontal) × 320 (Vertical) Pixels Display Colors 65536 colors, 16 bits, TFT screen Power Supply 220 - 240 VAC, 50/60 Hz, CATⅡ Consumption Less than 35 W Fuse 250 V, F0.5AL Environment...

  • Page 52: Appendix

    10.Appendix 10. Appendix Appendix A: Enclosure A power cord that fits the standard of the destination country  A USB cable  A CD (PC link application software)  A Safety hintsheet  A BNC/Q9 cable  Appendix B: General Care and Cleaning General Care Do not store or leave the instrument where the liquid crystal display will be exposed to direct sunlight for long periods of time.

This manual is also suitable for:

Fg-2502Fg-2602Fg-2252

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