Lesson 1 – Analog Modules
75
Table 8 20MHz Digitizer (WDE) Key Specifications
Specification Value
Sampling rate 125 ksps to 5 Msps
Resolution 16-bit
Bandwidth @-3 dB 20 MHz @filter through
Pin counts per module 8 single-ended or 4 differential (2-parallel test)
Number of digitizer cores
per module
2
Waveform capture memo-
ry
1 M samples (per digitizer core)
Input range ±2 V, ±1 V, ±0.5 V, ±0.25 V, ±0.125 V
DC offset range ±4 V
Common mode range ±6 V @ 1 Mohm single-ended (with offset)
±2 V @ 50 ohm single-ended (with offset)
±6 V @ 100 ohm or 1 Mohm differential (with offset)
Input impedance 1 M ohm, 50 ohm for single-ended
1 M ohm, 100 ohm for differential
Filter Through, 150 kHz, 500 kHz, 1.5 MHz, 3.25 MHz
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