Agilent Technologies 54835A, Service Manual, Page: 66 / 208

3–28
Bandwidth
(50
Ω
Input)
Down from reference: Channel 1 Channel 2 Channel 3 Channel 4
Equivalent Time Agilent 54835A <3.0 dB at 1000 MHz
Agilent 54845A <3.0 dB at 1500 MHz
Agilent 54846A <3.0 dB at 2250 MHz ___________ ___________ ___________ ___________
Realtime
2 channel (4 GSa/s)
2 channel (8 GSa/s)
2 channel (8 GSa/s) Agilent 54835A <3.0 dB at 1000 MHz
Agilent 54845A <3.0 dB at 1500 MHz
Agilent 54846A <3.0 dB at 2250 MHz ___________ ___________
4 channel (2 GSa/s)
4 channel (4 GSa/s)
4 channel (4 GSa/s) Agilent 54835A <3.0 dB at 500 MHz
Agilent 54845A <3.0 dB at 1000 MHz
Agilent 54846A <3.0 dB at 1000 MHz ___________ ___________ ___________ ___________
Bandwidth
(1 M
Ω
Input)
Down from reference: Channel 1 Channel 2 Channel 3 Channel 4
With 1161A Probe <3.0 dB at 500 MHz ___________ ___________ ___________ ___________
Time
measurement
accuracy—
equivalent
time mode
∆
Time Limits Minimum Maximum
25 ns 24.946 to 25.044 ns __________________ __________________
10 ns 9.957 to 10.043 ns __________________ __________________
50 ns 49.72 to 50.28 ns __________________ __________________
1
µ
s 997.4 to 1.0026
µ
s __________________ __________________
5
µ
s 4.9971 to 5.0029
µ
s __________________ __________________
Time
measurement
accuracy—
real time
mode Period Limits Minimum Maximum
Agilent 54835A: 39.50 ns ± 53 ps
Agilent 54845A/46A: 39.50 ns ± 28 ps 39.447 to 39.553 ns
39.47 to 39.53 ns __________________ __________________
∆
Time (edge#11) Limits
Agilent 54835A: 395 ns ± 78 ps
Agilent 54845A/46A: 395 ns ± 53 ps 394.922 to 395.078 ns
394.947 to 395.053 ns __________________ __________________
∆
Time (edge#101) Limits
Agilent 54835A: 3.949999
µ
s ± 326 ps
Agilent 54845A: 3.949999
µ
s ± 301 ps
Agilent 54846A: 3.949999
µ
s ± 301 ps
3.949673 to 3.950326
µ
s
3.949688 to 3.950291
µ
s
3.949688 to 3.950291
µ
s
__________________ __________________
∆
Time (edge#201) Limits
Agilent 54835A: 7.89999
µ
s ± 603 ps
Agilent 54845A: 7.89999
µ
s ± 578 ps
Agilent 54846A: 7.89999
µ
s ± 578 ps
7.899395 to 7.90060
µ
s
7.89942 to 7.90058
µ
s
7.89942 to 7.90058
µ
s
__________________ __________________
Trigger
Sensitivity Mode Stable Trigger On: Pass/Fail
Channel 1 Channel 2 Channel 3 Channel 4
Internal Trigger 0.5 div at 100 MHz ___________ ___________ ___________ ___________
1.0 div at 500 MHz ___________ ___________ ___________ ___________
1.5 div at 1.0 GHz ___________ ___________ ___________ ___________
Auxiliary Trigger 300 mV
pp
at 500 MHz ___________ ___________ ___________ ___________
Test Limits Results