Pdf, 2М - ELVA-1
Contents
1. User Manual ELVA 1 Mm wave Division in St Petersburg Russia Ej Phone 7 812 326 5924 Fax 7 812 326 1060 www elva 1 com USER OPERATION AND MAINTENANCE MANUAL FREQUENSY METER FM WG 70 220 Part No FM WG 70 220 1 edition March 2013 Frequency meter WG 70 220 User Manual ELVA 1 Table of Contents 1 Introduction 1 1 General Description 2 Specifications 2 1 Common Specifications 2 2 Mechanical 2 2 Mechanical Specifications 2 3 Block diagram of the Frequency Meter 2 4 Front panel 2 5 Rear panel 3 Installation 3 1 Assembly procedure 3 2 Put into operation 4 Operation 4 1 Measuring procedure 5 GPIB interface 5 1 Set GPIB address 5 2 GPIB commands Frequency meter WG 70 220 User Manual ELVA 1 1 INTRODUCTION This instruction manual contains information on operation of the Frequency meter WG 70 220 hereinafter called Frequency meter 1 1 General Description Frequency meter is intended for measuring frequency in range 70 220GHz The Frequency Meter is based on sweepable heterodyne receiver Frequency meter WG 70 220 User Manual ELVA 1 2 SPECIFICATIONS 2 1 Common Specifications 1 Input Frequencyrange 70 220GHz 2 Maximumiput dBm O 3 Minimuminput 20dBm 0 o 4 Damagelevel l3dBm o 5 Dymmierang 30dB 6 Standard Input connectors FlanggUG 378U M 7 S2. ector 14 Power plug 90 230V AC with power switch Frequency meter WG 70 220 User Manual ELVA 1 3 INSTALLATION 3 1 Assembly procedure The Frequency Meter is fully completed device and don t require any special components 3 2 Put into operation Switch off power switch 14 on the rear panel Connect power cable to socket 14 Connect power cable to primary line 90 230V AC Switch ON power switch 14 on the rear panel Ifneeded install WR 10 extension waveguide bend For measure frequency higher gt 120GHz install waveguide adapter WR 10 to WR 05 4 OPERATION 4 1 Measuring procedure Connect DUT to input of Frequency meter To be sure that output power of DUT lt 20mW Switch ON power switch 1 on the front panel Wait for while start up procedure of built in PC is finished When start up procedure is done the following menu is appeared Frequency meter WG 70 220 User Manual ELVA 1 Touch knob Refresh and Frequency meter starts measuring procedure or press central button of knob 5 on front panell When input frequency is measured result is displayed Signal level indicator line shows input power Frequency meter WG 70 220 User Manual ELVA 1 Ifany signals not found Frequency meter scan continuously To update measuring frequency touch knob Refresh Frequency meter WG 70 220 User Manual ELVA 1 5 GPIB interface 5 1 Set GPIB addre
3. ss Touch knob SETUP Window with current set address is appeared or press right button Manual of knob 5 on front panel r Current GPIB address 1 e New GPIB address 5 2 GPIB commands GPIB commands are presented in table below COMMAND NAME BDESCRIPTION DN Identification Query Returns its identification code as four fields separated by commas These fields are manufacturer model six digit serial number and version of firmware e g ELVA 1 Frequency meter Part No FM WG 70 220 The Frequency meter restores its power up state except that the state of IEEE 488 interface 1s unchanged including 1 instrument address 2 Status Byte and 3 Event Status Register SUCC or FAIL Stop refresh SUCC or FAIL SCRS RF lt value gt P lt value gt or NULL To get measured result command SCRS should be sent Frequency meter send 18b string Frequency MHz R JF x x x x x x x x x Pyix x x 96 Example of response RF078455 576P43 199 that means measured frequency 78455 576MHz Pin 43 from max or NULL that means Frequency meter couldn t measure frequency Frequency meter WG 70 220
4. tandard Input waveguide WR I0 o oo 8 Standard Outputconnector SMA 9 Modes ofoperation Counter 10 Accuracy MB Il Resolution RA 12 WF Output SOOM GPIB EN 230 V 10 50 60HZ 200VA 15 Operating temperature range 10 C 500C 2 2 Mechanical Specifications 1 Size 52x 17x 35 cm 2 Weight 10 2 kg Frequency meter WG 70 220 User Manual ELVA 1 2 3 Block diagram of the Frequency Meter Input Harmonic Multipli plier Synthesizer External Reference LNA 10 MHz 1 150 MHz IF output Built in PC station with touchscreen LCD GPIB Frequency Counter 1 100 MHz Frequency meter WG 70 220 User Manual ELVA 1 2 4 Front panel Disposition of the plugs and knobs on the front panel of the Radiometer are the following Pt they be bey bs be 7 l 2A 3 4 5 6 7 Frequency meter WG 70 220 Power switch Power indicator Touchscreen display USB ports Tuning knob IF connector BNC Waveguide input UG 387 U M WR10 User Manual ELVA 1 2 5 Rear panel Disposition of the plugs on the rear panel of the Radiometer are the following ee ee ee 8 GPIB connector 9 COM port don t used 10 USB ports 11 LAN ports 12 Keyboard and mouse connectors PS 2 13 Display conn
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