| Products > Test Equipment |
| Agilent E7495 linux root account |
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| 9aplus:
--- Quote from: Wuerstchenhund on February 28, 2015, 08:36:15 am --- --- Quote from: jwm_ on February 27, 2015, 11:32:32 pm ---got my E7495A for repair but without any accesories or charger. can someone tell me the polarity/voltage of the external power port? --- End quote --- 24Vdc, positive inside, negative outside --- End quote --- 100W PS -> 4+ A current |
| ldhn1uec:
so, i have found the power supply can bve almost anything with a + center. the spec for the instrument is 10-24 volts at least 65 watts. 12v 5 amps works fine, as well as 19.8v and 4.14a. my tinkering is going well. DO NOT ALTER the lower limit of the receivers as that will cause the system to fault. 375 is the actual \low limit. (was trying to squeeze vhf out of the swr bridge). still comparing the dumps of the 4 units to decode the licensing arrangement. does seem that the only changes are the lic files as the other files are present anyway. anyone have luck rebuilding or replacing the li-ion batteries? as far as the remote gui, no joy on java 6, go back to java 1.4.2 and all was well. don't forget the loc/remote button to enable full control from the pc. even with a cracked lcd the remote software allows me to work with it. so far so good 3/4 are working and 1 works but is -10db on spectrum not bad for $50 each! Sent from my iPad using Tapatalk |
| 9aplus:
--- Quote ---as far as the remote gui, no joy on java 6, go back to java 1.4.2 and all was well. --- End quote --- You are running 1.4.2 on windows ? Which one ? My try on Win 7 no luck.... How do you run remote gui on Win os? |
| Urs42:
--- Quote ---my tinkering is going well. DO NOT ALTER the lower limit of the receivers as that will cause the system to fault. 375 is the actual \low limit. (was trying to squeeze vhf out of the swr bridge). --- End quote --- Do you have the A or B model? The range of the E7495B goes from 10MHz to 2.7GHz, but the preamplifiers only go down to 375 MHz. 10MHz is written on the front panel, but i can enter frequencies down to 500KHz. |
| ldhn1uec:
i have the 7495A. the spectrum analyzers go down fine, the swr bridge/return loss port will not go below 375m as far as the gui, you need to uninstall java completely, go to the java site archives and get the 1.4.2 java package and install it. then the gui parts work fine. when i get round to it i may try 6. attempted to swap lic&hostid files with no luck. seems to be more involved. may try the patch listed above. Sent from my iPad using Tapatalk |
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