background image

Preface 

Thank  you  for  choosing 
3680A/B  Cable  &  Antenna 
Analyzer 

developed 

and 

produced 

by 

China 

Electronics 

Technology 

Instruments  Co.,  Ltd.  As  a 
high-grade, 

precision 

and 

advanced 

product, 

this 

Analyzer  has  higher  cost 
performance of its kind. 

 

We  will  assume  trying  our 
best  to  meet  your  needs  as 
our  responsibility  to  provide 
high  quality  instruments  for 
you  and  also  bring  you  first-
class  after-sale  service.  We 
always  persist  in  “Good 
Quality,  Satisfied  Service” 
and 

promise 

to 

offer 

satisfactory 

products 

and 

service for you. 

 

Manual No.

 

 

AV2.733.1040SK 

 

Ver. No.

 

A.1 2014.9 
China  Electronics  Technology 
Instruments Co., Ltd 

 

 

Manual Authorization

 

The  information  contained  in 
this  guide  is  subject  to  change 
without 

notice. 

And 

the 

explanation  right  of  all  the 
content  and  the  terms  in  this 
Guide 

belongs 

to 

China 

Electronics 

Technology 

Instruments Co., Ltd. 

 

The  copyright  of  the  Guide 
belongs  to  China  Electronics 
Technology  Instruments  Co., 
Ltd. 

Other 

entities 

and 

individuals  can’t  change  or 
juggle it without our permission, 
and  can’t  copy  and  spread  for 
earn 

business 

benefits. 

If 

discovered, we have the right for 
the legal action. 
 

Product Warranty 

From  the  date  of  production, 
warranty  period  of  this  product 
is  18  months.  Within  warranty 
period, we will repair or replace 
the  damaged  parts  according  to 
the 

actual 

situations. 

This 

requires  user  to  return  the 
product 

back 

to 

the 

manufacturer  and  prepay  the 
postage,  which  will  be  returned 
together after maintenance. 
 

Certificate of Quality

 

We  ensure  that  this  product 
meets  the  indexes  in  the  guide 
from  the  date  of  production. 
Calibration  measurements  will 
be  carried  out  and  finished  by 
measurement  unit  with  national 
qualification, 

providing 

user 

with  relevant  information  for 
reference. 
 

Quality/Environment 
Management 

This  product  strictly  adheres  to 
quality 

and 

environmental 

management  system  in  the 
whole process from research and 
development,  manufacturing  to 
testing. 

China 

Electronics 

Technology  Instruments  Co., 
Ltd has passed the ISO 9001 and 
ISO 14001 system certifications. 

 

 

Safety Precautions 

  

 “WARNING”  denotes  a 
hazard. It calls attention to a 
particular 

operating 

procedure,  method,  or  other 
similar  situations  which,  if 
not  correctly  performed  or 
not  adhered  to,  could  result 
in  personal  injury.  Don’t 
continue  the  next  step  until 
you  has  fully  understood 
and 

met 

the 

indicated 

warning conditions. 

  

The  sign  of  CAUTION 
represents 

important 

information  tips,  but  no 
danger. It calls attention to a 
particular 

operating 

procedure,  method,  or  other 
similar  situations  which,  if 
not  correctly  performed  or 
not  adhered  to,  could  result 
in damage to the instrument 
or  loss  of  important  data. 
Don’t continue the next step 
until 

you 

has 

fully 

understood  and  met  the 
indicated 

attention 

conditions. 

 

 

WARNING 

CAUTION 

Summary of Contents for 3680A

Page 1: ...3680A B Cable Antenna Analyzer Quick Start Guide China Electronics Technology Instruments Co Ltd...

Page 2: ...parts according to the actual situations This requires user to return the product back to the manufacturer and prepay the postage which will be returned together after maintenance Certificate of Qual...

Page 3: ...Panel 4 2 4 Operating interface 7 2 5 Top Interface 7 2 6 Battery 8 Chapter 3 Typical Application 10 3 1 Calibration 10 3 2 Cable Test 12 3 3 Antenna Test 18 3 4 Universal Devices and Parts Test 19 3...

Page 4: ...nna Analyzer contains chapters as follows Ready for Use This Chapter introduces preparations before operation startup panel introduction battery replacement etc of 3680A B Through this chapter you can...

Page 5: ...to the instrument or unnecessary personal injury To prevent damage to the instrument avoid electric shock fire and personal injury Do not open up the instrument without authorization Do not attempt t...

Page 6: ...aptor 2 Powered by DC power supply Voltage 12V 18V with battery uninstalled 15V 18V with battery installed Current 2A at minimum 3 Powered by built in battery 3680A B can be powered by rechargeable li...

Page 7: ...t may be achieved by grasping the metal casing of instrument grounded or the casing of connector of testing cable 2 2 Startup and utilization Prior to powering 3680A B please perform power supply inst...

Page 8: ...on including calibration mode calibration status ON OFF and selection of calibration kit models Save Recall used for file operations such as store and recall of measurement state store and recall of m...

Page 9: ...atus Physical state of Analyzer Off state Off a The battery has been installed not connected to the power supply b The battery has not been installed not connected to the power supply Constant yellow...

Page 10: ...g Interface of 3680A B Cable Antenna Analyzer 2 5 Top Interface 3680A B top panel is composed of three parts including power interface digital interface and the test port Power interface GPS antenna p...

Page 11: ...transmission to 3680A B 3 Mini USB interface connect an external PC then related tools and software can be operated by PC to perform program control and data transmission to 3680A B 4 A type USB port...

Page 12: ...a Analyzer Figure 2 4 Battery Mounting or Replacement In addition for those dead batteries charging time in OFF state is about 4 hours Pull down battery cover Open battery cover Mount Pull out the bat...

Page 13: ...s mechanical calibration method whose calibration process is as follows 1 Press CAL to enter the calibration menu 2 Select Cal Kit menu then choose the matched model of calibration kit from Select Cal...

Page 14: ...it measurement Figure 3 3 Completion of Open Calibration Connect the short to the test port and select the Short menu At this time the screen will automatically prompt SHORT Measuring When the SHORT m...

Page 15: ...asurement 3680A B mainly tests RF cable Take the cable with length of 25m radio frequency of 2 1GHz and VSWR of 1 05 as an example this part makes a detailed instruction on test steps of return loss M...

Page 16: ...to step 3 set the stop frequency needed by the measurement the frequency in this example is set to 4GHz 5 According to the Section 3 1 in this Chapter calibrate at port 1 of the instrument 6 After th...

Page 17: ...format of instrument as Cable Loss 3 Press Freq to enter the frequency menu select Start Freq menu then use the numeric keys knob or arrow keys to input the start frequency value and select the corre...

Page 18: ...verage loss of the cable Limit value search process is as follows Press Marker to enter the marker menu and the Marker 1 defaults to be in open state at this time Select Peak menu to place Marker 1 on...

Page 19: ...ss Meas to enter the measurement menu 2 Select DTF Return Loss menu to set the current measurement format to DTF Return Loss 3 Press Freq to enter the frequency menu select Start Freq menu then use th...

Page 20: ...rn loss test connection is as shown in Figure 3 11 Open circuit Figure 3 11 DTF Return Loss Test Connection Diagram 12 Press Marker to enter the marker menu Marker 1 has been turned on at this time Se...

Page 21: ...turn Loss or VSWR as the measurement format of Analyzer 2 Press Freq to set instrument frequency measurement range by contrasting with receiving frequency range of the antenna to be received if the fr...

Page 22: ...1Z05 195 3 4 Universal Devices and Parts Test Addition to cable and antenna test 3680A B can also be used for testing the attenuation cable connectors cable joints etc This part will measure the retur...

Page 23: ...tor are all below 30dB Based on the test data designer can confirm attenuator index by contrasting with design index as shown in Figure 3 16 Figure 3 16 Return Loss Test of 10dB Attenuator 3 5 Test Sk...

Page 24: ...line Users have their own eligibility criteria in batch test In this regard 3680A B provides Limit function for the setting of limit line making it easier to test products Thus when large quantities...

Page 25: ...ction is turned on Analyzer will raise a beep beep alarm through which users can judge whether the product is qualified or not Test curve in Figure 3 20 has exceeded the set limit line Figure 3 20 Ala...

Page 26: ...s recall Users can directly use Cable Model menu in the menu bar of FREQ to enter the interface for cable model selection Then select the corresponding cable model through the touch screen knob or ar...

Page 27: ...on speed of electromagnetic wave in the cable to be measured The smaller the sweep span is the longer the measured maximum distance will be The more the sweep points are the longer the measured maximu...

Page 28: ...re please contact us for return to factory repair If 3680A B fails to start up and self test please press Reset key which makes 3680A B return to a known state If the self test still fails then it mig...

Page 29: ...ems In addition please contact us in time if instrument failure occurs we will provide assistance required Return to factory repair is also supported if necessary Users are forbidden to disassemble th...

Page 30: ...y 1 10 6 10 23 1 10 6 10 23 Frequency Resolution 1kHz 1kHz Effective Directionality 42dB M Cal 35dB Embedded E Cal 42dB 1MHz 6GHz M Cal 36dB 6GHz 8GHz M Cal 31dB 1MHz 6GHz Embedded E Cal 26dB 6GHz 8GH...

Page 31: ...probe 10kHz 18GHz 3680 009 87232 USB continuous wave power probe 50kHz 26 5GHz 3680 010 87233 USB continuous wave power probe 50kHz 40GHz 3680 011 Standby rechargeable lithium ion battery 3680 012 N...

Page 32: ...Quick Start Guide for 3680A B Cable and Antenna Analyzer...

Reviews: