13 | Keysight | M8195A 65 GSa/s Arbitrary Waveform Generator and M8197A Multi-Channel Synchronization Module - Data Sheet
ENOB
ENOB measured at 64 GSa/s using the sine fit method according to IEEE Std 1658-2011
with a sampling scope. Bandwidth is limited to maximum tone frequency, except for the
ones labled with Nyquist.
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
ENOB 25GHz Nyquist
ENOB 25GHz
ENOB 20GHz
ENOB 15GHz
ENOB 10GHz
ENOB 5GHz
000E+00
5E+09
10E+09
15E+09
20E+09
25E+09
Carrier Frequency [Hz]
Figure 11. Nominal ENOB measured on a differential signal combined by a 50 GHz Balun Hyperlabs HL9405
with a sample rate of 64 GSa/s, internal clock and 500 mV amplitude at different bandwidths.
Markers
Two independent digital markers and their complements are available in single channel
with markers and dual channel with markers mode. The markers are available only for
channels on extended memory. They are provided on channel 3 and 4 on normal and
complement.
In all other modes, no markers are available.
Markers do not reduce vertical resolution.
The granularity of markers is one sample, a maximum of one rising and one falling edge
of a marker are possible within 128 samples.
Dual channel duplicate mode
In “Dual channel duplicate mode” the signal on channel 1 is duplicated on channel 2 and
the signal on channel 4 is duplicated on channel 3.
This mode allows differential signals to be generated with adjustable skew between
normal and complement.
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