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Berkeley Varitronics Systems YellowFrog 2 Wideband Manual

Wb power meter 150 mhz-2.7 ghz, cw & rms 20-50 dbm
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Wideband Manual Version 1.5

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Summary of Contents for Berkeley Varitronics Systems YellowFrog 2

  • Page 1 !"##$%&'$()*)+,-.)/$%"')0"1"' Wideband Manual Version 1.5...

  • Page 2: Table Of Contents

    &"'($%)*%+),-$,-. Introduction ...........................2 System Requirements ........................3 Yellow Frog 2 Power Meter Quick Start Guide................3 Yellow Frog 2 PC Software Installation..................5 Unit Properties..........................5 Unit Operation..........................5 Connections ............................6 Initialization............................6 Setup ..............................7 Data Logging – ASCII Output File ....................7 Specifications ..........................8 Appendix 1: USB Port Driver Installation..................9 !"#$%!

  • Page 3: Introduction

    1. Introduction The Yellow Frog 2 (YF2) Power Meter measures true RMS power over the frequency range of 150 MHz to 2700 MHz for purely sinusoidal (CW) as well as GSM, CDMA and W-CDMA carrier signals. The measurable power range is 15dBm to 50dBm. It has a 0.1dB resolution and an accuracy of 0.5dB. When its output port is terminated by a 50 Ohm impedance, the value of the VSWR observed on its input port is 1.20 or smaller.

  • Page 4: System Requirements

    2. System Requirements The YF2 software will function with the following minimal configuration: 32 bit Windows 7 , Vista, XP or 2000 Operating System running on a PC. USB port 3MB of available storage space on the hard disk. 3. Yellow Frog 2 Power Meter Quick Start Guide To Set-Up the YF2 power meter, do the following: 1.
  • Page 5 repeat steps 2 and 3. 5. Proceed with unit setup by entering: frequency (in MHz), power offset (, signal type and units of measurement in the “UNIT SETUP” compartment of the user interface window and press the “SET” button. Once set, these parameters will be “remembered” by the YF2 unit even if the unit is turned OFF and ON again.

  • Page 6: Yellow Frog 2 Pc Software Installation

    the user should periodically check the status of the unit’s Lithium-Ion battery by turning the Power Switch ON; if the unit charging LED (next to the charging jack on the input side of unit) turns ON, the battery has to be charged using the AC charger provided with the unit. Otherwise the battery does not need charging.

  • Page 7: Connections

    Battery Maintenance Note The only maintenance needed by the YF2 unit is periodic charging of the internal Lithium-Ion Polymer battery whenever the red LED near the DC charging port (on the input side of the unit) turns on. After charging adequately, this LED will turn off. If the unit is used without charging after the battery LED turns on, eventually the message “LOBAT”...

  • Page 8: Data Logging - Ascii Output File

    of measured power level in dBm and/or Watts next to the “Current Reading” label. The frequency and power offset settings of the YF2 unit will also be displayed next to their respective labels. To stop reading, press the “STOP REPORTING” button. This will resume the steady label Power Report black background Data Logging –...

  • Page 9: Specifications

    Overflow/Underflow When the power level is below 20dBm, the word “Underflow” will be recorded in the last column. When the power level is above 50 dBm, the word “Overflow” will be recorded in the last column. The output file has the default name “log.yfrg”. This is an ASCII file and can be opened and edited as a text file.

  • Page 10: Appendix 1: Usb Port Driver Installation

    7. Appendix 1: USB Port Driver Installation After the USB driver folder “YellowFrog2USBDrivers” is copied to the C:\Program Files\YF2\ directory, proceed as follows: a) Connect the YF2 USB port to the PC USB port with the USB cable; the YF2 unit should be detected by the PC and the “Found New Hardware Wizard”...
  • Page 11 d) The next window will first display the “Please wait while the wizard installs the software …” message, followed by the “Hardware Installation” message as seen below: e) Press “Continue Anyway”, which will result in the following window: !"#$%!*...
  • Page 12 f) Press “Finish” to complete the USB driver installation !"#$%!!

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