0000102: The TP of BX(MFFE-09) is unstable at Lband & 6cm

  

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ID Category Severity Reproducibility Date Submitted Last Update
0000102 [MFFE] 0.unknown/unspecified major sometimes 10-02-09 16:37 09-03-09 08:58
Reporter Yuan Tang View Status public  
Assigned To Harm-Jan Stiepel
Priority high Resolution fixed  
Status resolved  
Summary 0000102: The TP of BX(MFFE-09) is unstable at Lband & 6cm
Description It is a problem from MFFE-09(see the TP in 10900568 and compare with
the MFFE-09 TP plot on Feb.09).
Additional Information 20090213:
The problem of unstable TP of BX(MFFE-09) at Lband has been solved
after replacing two IF2 multiplexers and the power supply of the LNA.

20090215:
No, the problem still appaers, see 10900706,10900709.
MFFE 09
RT B
MFFE-band L-band
polarisation X
sky frequency (MHz)
Attached Files

- Relationships

- Notes
(0000134)
Jurjen Sluman
02-03-09 09:21

20090302:
Also Seen in 6cm
 
(0000136)
Jurjen Sluman
09-03-09 08:58

MFFE has been replaced
 

- Issue History
Date Modified Username Field Change
10-02-09 16:37 Yuan Tang New Issue
10-02-09 16:37 Yuan Tang MFFE  => 09
10-02-09 16:37 Yuan Tang RT  => B
10-02-09 16:37 Yuan Tang MFFE-band  => L-band
10-02-09 16:37 Yuan Tang polarisation  => X
10-02-09 16:37 Yuan Tang Assigned To  => Harm-Jan Stiepel
10-02-09 16:37 Yuan Tang Status new => assigned
13-02-09 17:01 Yuan Tang Status assigned => resolved
13-02-09 17:01 Yuan Tang Additional Information Updated
15-02-09 17:02 Yuan Tang Status resolved => testing
15-02-09 17:02 Yuan Tang Additional Information Updated
15-02-09 17:03 Yuan Tang Status testing => assigned
02-03-09 09:21 Jurjen Sluman Note Added: 0000134
02-03-09 09:21 Jurjen Sluman Summary The TP of BX(MFFE-09) is unstable at Lband. => The TP of BX(MFFE-09) is unstable at Lband & 6cm
09-03-09 08:58 Jurjen Sluman Note Added: 0000136
09-03-09 08:58 Jurjen Sluman Status assigned => resolved
09-03-09 08:58 Jurjen Sluman Resolution open => fixed