Keysight Technologies USB data capturing module U2331A Input: 3 MS/s, output: 1 MS/s U2331A OPT 902 + ABD 用户手册
产品代码
U2331A OPT 902 + ABD
4
U2300A Series DAQ Service Guide
1
Characteristics and Specifications
General Purpose Digital Counter
Model Number
U2351A | U2352A | U2353A | U2354A
Maximum count
(2³¹-1) bits
Number of channels
Two independent up/down counter
Compatibility
TTL
Clock source
Internal or external
Base clock available
48 MHz
Maximum clock source frequency
12 MHz
Input frequency range
0.1 Hz to 6 MHz at 50% duty cycle
Pulse width measurement range
0.167 µs to 178.956 s
Analog Trigger
Model Number
U2351A | U2352A | U2353A | U2354A
Trigger source
All analog input channels, External analog trigger (EXTA_TRIG)
Trigger level
±Full Scale for internal; ±10 V for external
Trigger conditions
Above high, below low and window (software selectable)
Trigger level resolution
8 bits
Bandwidth 400
kHz
Input Impedance for EXTA_TRIG
20 k
Ω
Coupling
DC
Overvoltage Protection
Continuous for ± 35 V maximum
Digital Trigger
Model Number
U2351A | U2352A | U2353A | U2354A
Compatibility
TTL/CMOS
Response
Rising or falling edge
Pulse width
20 ns minimum
Calibration
[3]
Model Number
U2351A | U2352A | U2353A | U2354A
On board reference voltage
5 V
Temperature drift
±2 ppm/°C
Stability
±6 ppm/1000 hours