PXI Measurement Instrumentation GX2475 Marvin Test

PXI Measurement Instrumentation
Model: GX2475 
Hãng: Marvin Test

The GX2475 provides two differential inputs providing the ability to make low level measurements in the presence of common mode or noisy signals. The inputs can also be configured for single-ended operation. Each channel supports AC or DC coupling. Each channel can also add an offset to the input signal, providing the ability to maximize the A to D's dynamic range. 

Both channels offer three, 3-pole, low pass, butterworth filters offering the ability to band limit signal noise and minimize aliasing effects. The filters and also be bypassed to take advantage of the input amplifier's full bandwidth. 

Clocking of the digitizer is provided by an external input or an internal 10 MHz, 50 MHz or 70 MHz clock which can be divided by 1 to 256. Each channel can be independently triggered to start a measurement from an external or internal source.

Thông số kỹ thuật

HARDWARE
Input Channels	4 analog (A+, A-, B+, B-) 1 external clock, 1 external trigger
Input Connectors	SMB
Format	PXI, 3U single slot
A/D CONVERTER
Resolution	14 bits
Sampling Rate	500 KS/s to 70 MS/s
Clock Source	External or Internal
Internal Clock	70 MS/s, or 50 MS/s, ±100 ppm
Clock Divider	1 to 256
Memory	512K samples per channel

ANALOG INPUT CHANNELS
Input Configuration	Differential or single-ended
Input Range	150 VPP, 300 VPP, 600 VPP
Maximum Input	±350 Vp, (input + common mode)
Common Mode Range	±350 V for 75 Vp, 150 Vp, 300 Vp ranges
DC Offset	±347 V for 75 Vp, 150 Vp, 300 Vp
Input Impedance	1 MΩ
Resolution	1 Hz
Accuracy	±(50 mV + 0.2% of range) for 150 VPP, 300 VPP, 600 VPP
Relative Accuracy	±0.025% of range
Bandwidth	> 30 MHz
Frequency Response   (no filter) Referenced to 500 kHz	±0.5 dB, DC to 10 MHz ±2 dB, 10 MHz to 30 MHz
Low Pass Filters	3-pole Butterworth, selectable: None, 6 MHz, 15 MHz, 30 MHz
Channel Crosstalk	< 80 dB at 1 MHz
SFDR	80 dB, 1 MHz input 72 dB, 10 MHz input (50 MS/s, 2 VPP signal)
SINAD	68 dB, 1 MHz input 64 dB, 10 MHz input (50 MS/s, 2 VPP signal)
EXTERNAL CLOCK
Connector	Front panel SMB
Input Impedance	50 Ω nominal
Maximum Frequency	100 MHz, divisible by 1 to 256
Threshold Level	TTL
Output Impedance	50 Ω
Output Level	V Lo < 0.5 volts, V Hi > 4.5 volts, no load

TRIGGERING
Connector	Front panel SMB
Impedance	10 KΩ nominal
Threshold Level	TTL
Sources	Front panel, PXI trigger 0 - 5, PXI Star trigger, software trigger, input signal
Modes	Positive / negative level or edge, Positive / negative edge continuous
GENERAL
Current Consumption (Maximum)	+5 V @ 650 mA +12 V @ 40 mA -12 V @ 40 mA +3.3 V @ 300 mA
Weight	Approx. 210 g
Size	3U, single slot
Operating Temperature	0 °C to +50 °C
Storage Temperature	0 °C to +70 °C
Humidity (Non-Condensing)	10% to 80%

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