Lesson 1 – Analog Modules
77
Table 10 100MHz Digitizer (WDG) DC Coupling Mode
Table 11 100MHz Digitizer (WDG) AC Coupling Mode
DC Coupling Mode
Key Specification Value
Sampling rate 30 Msps to 105 Msps
Resolution 14-bit
Bandwidth @ -3 dB
(characteristic data)
DC to 100 MHz @ filter through
Pin counts per module 8 single-ended or 4 differential
Waveform capture memory 16 M samples
Input mode Single-ended or differential
Input range ±2 V, ±1 V, ±0.5 V, ±0.25 V, ±0.125 V
DC offset range ±4 V
Common mode range ±3.7 V @ 50 ohm, 37.5 ohm single-ended (with offset) or
100 ohm, 75 ohm differential (with offset)
±6 V @ 10 kohm single-ended/differential (with offset)
Input impedance 10 kohm, 50 ohm, 37.5 ohm for single-ended
10 kohm, 100 ohm, 75 ohm for differential
Filter Through, 26 MHz, 52 MHz, 88 MHz
AC Coupling Mode
Key Specification Value
Sampling rate 30 Msps to 105 Msps
Resolution 14-bit
Bandwidth @ -3 dB
(characteristic data)
0.25MHz to 100 MHz @ filter through
Pin counts per module 8 single-ended or 4 differential
Waveform capture memory 16 M samples
Input mode Single-ended or differential
Input range ±2 V, ±1 V, ±0.5 V, ±0.25 V
Common mode range ±6 V
Input impedance 50 ohm for single-ended
100 ohm for differential
Filter Through, 52 MHz, 88 MHz
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