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AWG-4151 Function/Arbitrary Waveform Generator

Max. frequency output: 150MHz; Sample rate: 400MSa/s; Wave length: 1Mpts; Frequency resolution: 14 bit; Waveform: Sine, Square,Ramp, Pulse, Noise. Modulation: AM, FM, PM, FSK, PWM, etc.; Size: 14.5x10x5.5in/370x260x135mm (LxHxW); Weight: 4lb/1.8kg.

Manuals: 
User's Manual (1.59 Mb)

AKTAKOM AWG-4151 is a multi-function generator which combines Arbitrary Waveform Generator and Function Generator. 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. Embedded USB Device, USB Host, provide more alternative solutions for users.

Features

  • Advanced DDS technology, Max 150MHz frequency output
  • Up to 400Msa/S sample rate and 32bits Frequency resolution
  • Vertical Resolution: 14bits, Up to 1 M Arb wavelength
  • Comprehensive waveform outputs: Sine, Square, Ramp, Pluse, Noise, Sinc, Exponential Rise and Decay, 32 channels digital waveform, DC and user defined arbitrary waveform
  • Comprehensive modulation functions: AM, FM, PM, FSK, PWM
  • 3.9 inch high resolution (480×320 pixels) TFT LCD display

Specifications

  • Channel: 1
  • Frequency output: 150 MHz
  • Sample rate: 400 MSa/s
  • Veritical Resolution: 14 bits
  • Waveforms: Standard Waveforms: Sine,Square,Ramp,Pulse,Noise; Arbitrary Waveforms: Sinc, Exponential Rise and Decay,
    DC, User defined, Sin(X)/X, 32 channels digital waveform
  • Frequency Characteristics (Resolution 32bits):
    1. Sine: 1μHz—150MHz
    2. Square: 1μHz—50MHz
    3. Pulse: 1μHz—30MHz
    4. Ramp: 1μHz—1MHz
    5. Noise: 50MHz
    6. Arb: 1μHz—10MHz
  • Amplitude Characteristics:
    1. Output Amplitude: 10mVPP-10VPP (50Ω) 20mVPP-20VPP (High Impedance)
    2. Amplitude Accuracy: 1mVPP or 14bits
    3. DC Offset Range (AD+DC): ± 5V (50Ω) ± 10V (High Impedance)
  • DC Offset Rang: 1mV
  • Output Impedance: 50Ω (Typical)
  • Arb Characteristics
    1. Waveform Length: 2 to 1Mpts
    2. Sample Rate: 200 MSa/s
    3. Vertical Resolution: 14 bits
    4. Non-Volatile Memory: 4 waveforms
  • Modulation Characteristics
    1. Modulation Types: AM, FM, PM, PWM, FSK, SWEEP, BURST
    2. 2mHz to 20.00kHz (FSK 2mHz-100kHz)
  • Input/Output
    1. Display: 3.9in (480×320) TFT LCD
    2. Input Type: External modulation, input / output External trigger, input / output External reference, clock input / output
  • Interface: USB Host, USB Device, RS-232, LAN
  • Weight: 4lb/1.8kg
  • Dimensions (LxHxW): 14.5x10x5.5in/37x26x13.5cm

Accessories

  • Power Cord
  • CD
    CD
  • User Manual
    User Manual
  • USB cable
    USB cable

How to Output Noise Signals

Press Noise Signals symbol button to call the user interface of Noise signal, the Noise waveform parameters can be set by operating the Noise setting menu on the right.
The parameters of Noise waveform are: Amplitude/High Level, Offset/Low Level. You can operate the menu by using the menu selection buttons on the right.
To set the Amplitude/High Level, Offset/Low Level, please refer to “How To Output Sine Signals

To Output Noise Signals

How to Output Pulse Signals

Press pulse signal 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, Edge Time. You can operate the menu by using the menu selection buttons on the right.
To set the Frequency/Period, Amplitude/High Level, Offset/Low Level, please refer to “How To Output Sine Signals”.

The frequency range is 1μHz…25MHz; the period range is 40ns…1Ms.

To Output Pulse Signals

To Set the Pulse Width/Duty Cycle

1) Press F4 button, the chosen menu item is highlighted, the focused parameter is displayed in Parameter bar 1. Press F4 to switch between Frequency/Period.
2) Turn the knob to change the value directly; or press the number keys to input the desired value and choose the unit.

The Pulse Width is limited by Period. The Duty Cycle range is 0…100%.

To Set the Pulse Width / Duty Cycle

To Set the Edge Time

1) Press F5 button, the “Edge Time” menu item is highlighted, the current value of the edge time is displayed in Parameter bar 1.
2) Turn the knob to change the value directly; or press the number keys to input the desired value and choose the unit.

The Edge Time range is 10ns…40% of the Pulse Width.

Set the Edge Time of Pulse signal

How to Output Arbitrary Signals

Press Arbitrary signal symbol 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.
The parameters of Arbitrary waveform are: Frequency/Period, Amplitude/High Level, Offset/Low Level, Built-in Waveform. You can operate the menu by using the menu selection buttons on the right.
To set the Frequency/Period, Amplitude/High Level, Offset/Low Level, please refer to “How To Output Sine Signals”.

The frequency range is 1μHz…10MHz; the period range is 100ns…1Ms.

The Arbitrary signal consists of two types: the system built-in waveform and the user-definable waveform.

To Output Arbitrary Signals

To Select the Built-in Waveform

Press Arbitrary signal symbol button, then press F4 to enter the Built-in Wform menu.
There are three built-in Arbitrary waveforms: Exponential Rise, Exponential Fall, sin(x)/x. The Exponential Rise waveform is shown in the figure above. The Exponential Fall and sin(x)/x waveform are shown in the figure below.

The User-Definable Waveform

Press Arbitrary signal symbol button and press F5 to select “Editable Wform”.

Menu itemInstruction
Create WformCreate a new waveform
Select WformSelect the waveform stored in Flash memory.
Edit WformEdit the stored waveform.

How to Create a New Waveform

1) Enter the Arbitrary signal symbol operation menu: Press →Editable WformCreate 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. The waveform points range is 2…1000000.
3) Set the interpolation: Press F2 to switch between On/Off. If you choose On, the points will be connected with beelines; otherwise, the voltages between two consecutive points will not change, and the waveform looks like a step-up one.
4) Edit the waveform points: Press F3 to enter the operation menu.
• Press F1 to choose “Points”, input the number of the point to be edited.
• Press F2 to choose “Voltage”, input the voltage for the current point.
• Repeat the step above, set all the points to your needs.
• Press F4 to choose “Store”, enter the file system. If a U disk is connected, press the ← / → direction key to select the storage. “USBDEVICE” is the U Disk storage, “FLASH” is the internal storage. Choose Next level, enter the desired
storage path, choose Save, an input keyboard pops up, input the file name, and then choose DONE.

How to Select a Stored Waveform

1) Enter the operation menu: Press Arbitrary signal symbolEditable WformSelect Wform.
2) Enter the storage path of the desired waveform file. Press the ↑/ ↓ / ← / → direction key to select the desired waveform file.
3) Choose Recall output.

How to Edit a Stored Waveform

1) Enter the operation menu: Press Arbitrary signal symbolEditable WformEdit Wform.
2) Enter the storage path of the desired waveform file. Press the ↑/ ↓ / ← / → direction key to select the desired waveform file.
3) Choose Recall suppres.

How to Delete a Stored Waveform

1) Enter the operation menu: Press Arbitrary signal symbolEditable WformEdit Wform.
2) Enter the storage path of the desired waveform file. Press the ↑/ ↓ / ← / → direction key to select the desired waveform file.
3) Choose OK, and then choose Delete

How to Generate the Modulated Waveform

Use the Mod button to generate modulated waveform. AWG-4151 can modulate waveform using AM, FM, PM, FSK and PWM.

AM (Amplitude Modulation)

The modulated waveform consists of two parts: the Carrier Waveform and the Modulating Waveform. The Carrier Waveform can only be Sine. In AM, the amplitude of the Carrier Waveform varies with the instantaneous voltage of the modulating waveform. The user interface of the AM is shown as below.

AM (Amplitude Modulation)

How to set the parameters of AM

1) Press Mod function button to enter the Modulation mode.
2) Press F1 to switch Mod Type to AM. If the Carrier Waveform is not Sine, the system will switch it to Sine automatically.
3) Press button to display the waveform and parameters of the Carrier Waveform. You can change the parameters, please refer to “How To Output Sine Signals”. Press button again to return to the Modulation mode interface.
4) Press F5 to select the source. If the source is External, use the Modulation In connector in the rear panel to input the external signal, the setting of AM is finished. If you choose Internal, continue to the steps below.
5) Press F2 to choose Mod Shape, you can choose Sine, Square or Ramp.
6) Press F3 to set AM Frequency. The range is 1μHz…20kHz (Internal source only).
7) Press F4 to set Mod Depth. The range is 0%…150%.

FM (Frequency Modulation)

The modulated waveform consists of two parts: the Carrier Waveform and the Modulating Waveform. The Carrier Waveform can only be Sine. In FM, the frequency of the Carrier Waveform varies with the instantaneous voltage of the modulating waveform. The user interface of the FM is shown as below.

FM (Frequency Modulation)

How to set the parameters of FM

1) Press Mod function button to enter the Modulation mode.
2) Press F1 to switch Mod Type to FM. If the Carrier Waveform is not Sine, the system will switch it to Sine automatically.
3) Press button to display the waveform and parameters of the Carrier Waveform. You can change the parameters, please refer to “How To Output Sine Signals”. Press button again to return to the Modulation mode interface.
4) Press F5 to select the source. If the source is External, use the Modulation In connector in the rear panel to input the external signal, then skip ahead to step (6). If you choose Internal, continue to the steps below.
5) Press F2 to choose Mod Shape, you can choose Sine, Square or Ramp.
6) Press F3 to set Mod Frequency. The range is 1μHz…20kHz (Internal source only).
7) Press F4 to set FM Deviation. The Deviation should be less than the Carrier Waveform Frequency.

Note: The Sum of the Deviation and the Carrier Frequency should be equal to or less than maximum frequency of the selected function plus 1kHz.
For an External Source, the Deviation is controlled by the voltage Level of the signal connected to the Modulation In connector in the rear panel. +5V corresponds to the selected Deviation and -5V to the negative selected Deviation.

PM (Phase Modulation)

The modulated waveform consists of two parts: the Carrier Waveform and the Modulating Waveform. The Carrier Waveform can only be Sine. In PM, the phase of the Carrier Waveform varies with the instantaneous voltage level of the modulating waveform. The user interface of the PM is shown as below.

PM (Phase Modulation)

How to set the parameters of PM

1) Press Mod function button to enter the Modulation mode.
2) Press F1 to switch Mod Type to PM. If the Carrier Waveform is not Sine, the system will switch it to Sine automatically.
3) Press button to display the waveform and parameters of the Carrier Waveform. You can change the parameters, please refer to “How To Output Sine Signals”. Press button again to return to the Modulation mode interface.
4) Press F5 to select the source. If the source is External, use the Modulation In connector in the rear panel to input the external signal, then skip ahead to step (6). If you choose Internal, continue to the steps below.
5) Press F2 to choose Mod Shape, you can choose Sine, Square or Ramp.
6) Press F3 to set PM Frequency. The range is 1μHz…20kHz (Internal source only).
7) Press F4 to set Phase Deviation. The Phase Deviation between the Modulating
Waveform and the Carrier Waveform ranging from 0° to 180°.

FSK (Frequency Shift Keying)

The FSK Modulation is a modulation method, the output frequency of which switches between two the pre-set frequencies (Carrier Waveform Frequency and the Hop Frequency). The Frequency of the Output Frequency switch between the carrier waveform frequency and the Hop frequency is called the FSK rate. The frequency by which the output frequency switch from each other is determined by the Internal Frequency generator or the Signal Voltage Level offered by the Ext Trig/FSK/Burst connector in the rear panel. The Carrier Waveform can only be Sine. The user interface of the FSK is shown as below.

FSK (Frequency Shift Keying)

How to set the parameters of FSK

1) Press Mod function button to enter the Modulation mode.
2) Press F1 to switch Mod Type to FSK. If the Carrier Waveform is not Sine, the system will switch it to Sine automatically.
3) Press button to display the waveform and parameters of the Carrier Waveform. You can change the parameters, please refer to “How To Output Sine Signals”. 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 Trig/FSK/Burst connector in the rear panel to input the external signal, then skip ahead to step (5). If you choose Internal, continue to the steps below.
5) Press F3 to set FSK Rate. The range is 1μHz…100kHz (Internal source only).
6) Press F4 to set Hop Frequency. The range is 1μHz…25kHz.

PWM (Pulse Width Modulation)

The modulated waveform consists of two parts: the Carrier Waveform and the Modulating Waveform. PWM can only be used for pulse modulation, so the Carrier Waveform must be Pulse. In PWM, the width of the Carrier Waveform (Pulse) varies with the instantaneous voltage of the modulating waveform. The user interface of the PWM is shown as below.

PWM (Pulse Width Modulation)

How to set the parameters of FSK

1) Press Mod function button to enter the Modulation mode.
2) Press F1 to switch Mod Type to PWM. If the Carrier Waveform is not Pulse, the system will switch it to Pulse automatically.
3) Press button to display the waveform and parameters of the Carrier Waveform. You can change the parameters, please refer to “How To Output Pulse Signals”. Press button again to return to the Modulation mode interface.
4) Press F5 to select the source. If the source is External, use the Modulation In connector in the rear panel to input the external signal, then skip ahead to step (6). If you choose Internal, continue to the steps below.
5) Press F2 to choose Mod Shape, you can choose Sine, Square or Ramp.
6) Press F3 to set Mod Frequency. The range is 1μHz…20kHz (Internal source only).
7) Press F4 to set Width Deviation/Duty Deviation (depends on the P_Width/Duty menu item of the Pulse setting menu when you exit the Modulation mode). The maximum range of the Duty Deviation is the smaller one in [Pulse Duty, 1-Pulse Duty]. The maximum range of the Width Deviation is Pulse Width.

How to Generate Sweep

In the frequency sweep mode, the generator “steps” from the start frequency to the stop frequency at the sweep rate you specify. Sweep can be generated by Sine, Square or Ramp Waveforms.

To Generate Sweep

How to set the parameters of Sweep

1) When the output signal is Sine, Square or Ramp waveform, press Sweep function button to enter the Sweep mode.
2) Press , or button to choose the waveforms. Take Sine for instance, press to display the waveform and parameters. You can change the parameters, please refer to “How To set signals” . Press button again to
return to the Sweep mode interface.
3) Press F1 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; Log means setting the Sweep with logarithmic spacing.
5) Use Start Freq and Stop Freq or Center Freq and Freq Span to set the range of the frequency. Press F3 to select Sta_Freq or Cen_Freq, and set the desired value.
6) Press F4 to select StopFreq or FreqSpan, and set the desired value.
7) Press F5 to select NextPage, press it again to enter the next page.
8) Press F1 to select the source. Internal means using the internal source. External means using the Ext Trig/FSK/Burst connector in the rear panel to input the external signal. Manual means using the external source, set the start and stop time by hand.

How to Generate Burst

Using Burst function button can generate versatile waveforms in burst. Burst can last for certain times of waveform cycle (N-Cycle Burst), or to be controlled by external gated signals (Gated Burst). Bust can apply to Sine, Square, Ramp, Pulse and Arbitrary waveforms (Noise can not be used).

Note: For a burst, the maximum frequency of the used waveform is 25MHz. After pressing the Burst function button, if the frequency is greater than 25MHz, the generator will adjust it to 25MHz automatically.

Set the N-Cycle Burst

N-Cycle Burst

1) When the output signal is Sine, Square, Ramp, Pulse or Arbitrary waveform, press Burst function button to enter the Burst mode.
2) Press , , , or button to choose the waveform. Take Sine for instance, press to display the waveform and parameters. You can change the parameters, please refer to “How to set signals”. Press button again to return to the Burst mode interface.
3) Press F4 to switch to N Cycle.
4) Press F1 to select Burst Period, set it to the desired value.
5) Press F3 to select Start Phase, define the Start and the Stop Point in a waveform. The phase varies from -360° to +360°. For an Arbitrary Waveform, 0° is the first waveform point.
6) Press F2 to select Delay, set the Time Delay between the Trigger Input and the Start of the N-Cycle Burst. The minimum delay is a function of the specific burst period, and should always be greater than 0s.
7) Press F5 to select NextPage, press it again to enter the next page.
8) Press F1 to select Cycles or Infinite. Set the number of Waveform Cycle in an N-Cycle (from 1 to 50000). If you choose Infinite, then a continuous waveform will be generated which will not stop until a trigger event happens (Trigger button is pressed).

Note: If needed, Burst Period will increase to cater to the specific number of cycles. For an infinite-cycle Burst, External or Manual Trigger is needed to activate burst.

9) Press F2 to select the source. Internal means using the internal source. External means using the Ext Trig/FSK/Burst connector in the rear panel to input the external signal. Manual means using the external source, set the start and stop time by hand.

Set the Gated Burst

Gated Burst

1) When the output signal is Sine, Square, Ramp, Pulse or Arbitrary waveform, press Burst function button to enter the Burst mode.
2) Press , , , or button to choose the waveforms. Take Sine for instance, press to display the waveform and parameters. You can change the parameters, please refer to “To set signals” . Press button again to return to the Burst mode interface.
3) Press F4 to switch to Gated.
4) Press F3 to select Start Phase, define the Start and the Stop Point in a waveform. The phase varies from -360° to +360°. For an Arbitrary Waveform, 0° is the first waveform point.
5) Press F5 to switch between Positive/Negative. Set the Polarity for the Gated Signal.

How to Output Ramp Signals

Press ramp signal symbol 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. You can operate the menu by using the menu selection buttons on the right.
To set the Frequency/Period, Amplitude/High Level, Offset/Low Level, please refer to “To Output Sine Signals”.

The frequency range is 1μHz…1MHz; the period range is 1μs…1Ms.

how to Output Ramp Signals

To Set the Symmetry

1) Press F4 button, the "Symmetry" menu item is highlighted, the current value of the symmetry is displayed in Parameter bar 1.
2) Turn the knob to change the value directly; or press the number keys to input the desired value, press F4 to choose "%".

The symmetry range is 0%…100%.

How to Output Ramp Signals

How 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.

The parameters of Sine waveform are: Frequency/Period, Amplitude/High Level, Offset/Low Level. You can operate the menu by using the menu selection buttons on the right.

How to Output Sine Signals

To Set the Frequency/Period

Press F1 button, the chosen menu item is highlighted, the focused parameter is displayed in Parameter bar 1. Press F1 button to switch between Frequency/Period.

Two methods to change the chosen parameter:

  • Turn the knob to change the value of cursor position in the Parameter bar. Press the ←/→ direction key to move the cursor.
  • Press a number key in the front panel, an input box will pop up; keep going to input the value. Press the ← direction key to delete the last number. Press F1F3 to choose the unit, or press F4 to go to next page and choose other units. Press F5 to cancel the input.
The frequency range is 1μHz…150MHz; the period range is 6.7ns…1Ms.

set frequency


To Set the Amplitude

Press F2, confirm whether the “Ampl” menu item is highlighted; if not, press F2 to switch into “Ampl”. In the Parameter bar 2, a cursor appears under the value of amplitude. Use the knob or the number keys to set the desired value.

To Set the Offset

Press F3, confirm whether the “Offset” menu item is highlighted; if not, press F3 to switch into “Offset”. In the Parameter bar 2, a cursor appears under the value of offset. Use the knob or the number keys to set the desired value.

To Set the High Level

Press F2, confirm whether the “Hi_Level” menu item is highlighted; if not, press F2 to switch into “Hi_Level”. In the Parameter bar 2, a cursor appears under the value of amplitude. Use the knob or the number keys to set the desired value.

To Set the Low Level

Press F3, confirm whether the “Lo_Level” menu item is highlighted; if not, press F3 to switch into “Lo_Level”. In the Parameter bar 2, a cursor appears under the value of offset. Use the knob or the number keys to set the desired value.

How to Output Square Signals

Press Square Signals button to call the user interface of Square signal, the Square waveform parameters can be set by operating the Square setting menu on the right.
The parameters of Square waveform are: Frequency/Period, Amplitude/High Level, Offset/Low Level, Duty. You can operate the menu by using the menu selection buttons on the right.
To set the Frequency/Period, Amplitude/High Level, Offset/Low Level, please refer to "To Output Sine Signals".

The frequency range is 1μHz…50MHz; the period range is 20ns…1Ms.

How to Output Square Signals

To Set the Duty Cycle

1) Press F4 button, the "Duty" menu item is highlighted, the current value of the. Duty cycle is displayed in Parameter bar 1.
2) Turn the knob to change the value directly; or press the number keys to input the desired value, press F4 to choose "5".

For a frequency ≤25MHz, the Duty cycle range is 20%…80%. For a frequency greater than 25MHz, the Duty cycle is 50%.

Set the Duty cycle of Square signal


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