WALFRONT ADF4350/ADF4351 Signal Generator

WALFRONT Signal Generator User Manual

Models: ADF4350 / ADF4351

1. Introduction

This manual provides detailed instructions for the setup, operation, and maintenance of your WALFRONT RF Signal Generator (models ADF4350 and ADF4351). This device is a full touch screen RF signal source designed for various applications, including wireless infrastructure, test equipment, and wireless local area networks.

WALFRONT RF Signal Generator with touch screen interface in an industrial setting.
Figure 1: WALFRONT RF Signal Generator in operation.

2. Key Features

  • Stable Output: Equipped with an SMA female output signal interface for reliable connections.
  • PC Control: Can be controlled via a PC using dedicated software and the provided data cable.
  • Full Touch Screen: Features a clear, full touch screen interface for intuitive operation.
  • Compact Design: Compact appearance with a reasonable layout for ease of use.
  • Versatile Applications: Ideal for wireless infrastructure, test equipment, and wireless local area network applications.

3. Package Contents

Please check the package contents upon receipt to ensure all items are present and undamaged:

  • 1 x Signal Generator
  • 1 x Data Cable (Type-C to USB)
Two WALFRONT RF Signal Generators (ADF4350 and ADF4351 models) shown with their respective data cables.
Figure 2: Signal Generators and included data cables.

Note: The product may be shipped as a "New Type" (blank screen, requiring initial setup) or "Old Type" (pre-configured screen). Both types function identically once set up. The model (ADF4350 or ADF4351) will be as ordered.

Comparison image showing a 'New Type' signal generator with a blank screen and an 'Old Type' signal generator with an active display, indicating random shipment of models.
Figure 3: New Type vs. Old Type models (shipped randomly).

4. Setup Instructions

4.1 Power Connection

  1. Locate the Type-C port on the side of the signal generator.
  2. Connect the provided data cable (Type-C end) to the signal generator.
  3. Connect the USB-A end of the data cable to a 5V power source (e.g., a computer USB port, USB wall adapter). The device requires 5V at 0.2A.
  4. Press the "ON/OFF" button located on the front panel to power on the device.
WALFRONT RF Signal Generator with a data cable connected to its Type-C port.
Figure 4: Connecting the data cable for power and PC control.

4.2 Signal Output Connection

  1. Identify the "RFout" SMA female connector on the side of the device.
  2. Connect your test equipment or antenna to this "RFout" port using an appropriate SMA male cable.
  3. The "MCLK" port is for master clock output, if required by your application.
Close-up of the WALFRONT RF Signal Generator showing the RFout and MCLK SMA connectors.
Figure 5: RFout and MCLK ports.

5. Operating Instructions

5.1 Touch Screen Interface Overview

The signal generator features a full touch screen for controlling its functions. The main screen displays the PLL Chip selection, Point Frequency settings, and Sweep Frequency settings, along with command buttons.

Two signal generators showing their touch screen interfaces. One is configured for ADF4350 with a point frequency of 137.500 MHz, and the other for ADF4351 with a point frequency of 35.000 MHz.
Figure 6: Touch screen interface for ADF4350 and ADF4351 models.

5.2 Selecting PLL Chip (ADF4350/ADF4351)

On the touch screen, locate the "PLL Chip" dropdown menu. Tap on it to select between ADF4350 and ADF4351 based on your specific model and desired frequency range.

  • ADF4350: Output Frequency Range 138 MHz - 4.4 GHz
  • ADF4351: Output Frequency Range 35 MHz - 4.4 GHz

5.3 Setting Point Frequency

  1. In the "Point Freq" section, tap on the frequency value to enter your desired frequency.
  2. Use the on-screen keypad to input the frequency in MHz.
  3. Tap "Freq" to apply the set point frequency.

5.4 Setting Sweep Frequency

For frequency sweeping, configure the following parameters:

  1. Start Frequency: Tap on "Start" in the "Sweep Freq" section and input the desired start frequency in MHz.
  2. Stop Frequency: Tap on "Stop" and input the desired stop frequency in MHz.
  3. Step Size: Tap on "Step" and input the desired frequency step size in KHz.
  4. Tap "Sweep" to initiate the frequency sweep.
  5. Tap "Stop" to halt the frequency sweep.

5.5 PC Control

The signal generator can be controlled via a PC for more advanced operations and data logging. PC software is provided (refer to the manufacturer's website or included CD/USB for software download/installation).

  1. Connect the signal generator to your PC using the provided data cable.
  2. Install and launch the PC control software.
  3. Follow the software's instructions to connect to the device and control its functions.

6. Specifications

ParameterDetail
Item TypeSignal Generator
Output Frequency Range (ADF4351)35 MHz - 4.4 GHz
Output Frequency Range (ADF4350)138 MHz - 4.4 GHz
Power Supply & Communication InterfaceTYPE C, 5V at 0.2A
Output Signal (Fundamental Wave)2.2 GHz - 4.4 GHz (Sine Wave)
Output Signal (Fundamental Frequency Division)35 MHz - 2.2 GHz (Square Wave)
Control MethodDot frequency sweep full touch control, PC control via data cable
Output Signal InterfaceSMA Female
Battery IncludedNo
DIY SuppliesElectrical
Dimensions (approx.)Length: 14 cm, Width: 12 cm, Height: 5 cm
Weight (approx.)0.129 kg

7. Maintenance

7.1 Cleaning

  • Ensure the device is powered off and disconnected from all power sources before cleaning.
  • Use a soft, dry cloth to wipe the exterior of the device.
  • For the touch screen, use a microfiber cloth specifically designed for electronics to avoid scratches. Do not use abrasive cleaners or solvents.

7.2 Storage

  • Store the signal generator in a cool, dry place away from direct sunlight and extreme temperatures.
  • Keep it away from dust and moisture.
  • When not in use for extended periods, disconnect all cables.

7.3 General Care

  • Avoid dropping the device or subjecting it to strong impacts.
  • Do not attempt to disassemble the device. Unauthorized disassembly will void any warranty.
  • Ensure proper ventilation during operation to prevent overheating.

8. Troubleshooting

ProblemPossible CauseSolution
Device does not power on.No power supply or faulty cable.
  • Ensure the Type-C cable is securely connected to both the device and a 5V power source.
  • Verify the power source is active.
  • Try a different Type-C data cable.
No signal output.Incorrect frequency settings, incorrect output port, or faulty cable.
  • Check that the desired frequency is set correctly on the touch screen or via PC software.
  • Ensure your test equipment is connected to the "RFout" port.
  • Verify the SMA cable connecting the device to your equipment is functional.
  • Confirm the PLL Chip selection matches your device model.
PC software cannot connect to the device.Driver issues, incorrect cable, or software not running.
  • Ensure the data cable is properly connected.
  • Install any necessary drivers for the device on your PC.
  • Restart the PC control software and the signal generator.
Touch screen unresponsive.Temporary software glitch or hardware issue.
  • Press the "RST" (Reset) button on the device.
  • Power cycle the device (turn off, then on again).
  • If the issue persists, contact customer support.

9. Warranty and Support

WALFRONT products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please refer to the official WALFRONT website or contact your retailer.

Please retain your proof of purchase for any warranty claims.

© 2024 WALFRONT. All rights reserved.

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