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Detailed introduction
Performance
| ADC | Successive approximation type with sliding scale linearization. |
| resolution | 16k: 16,384channels, software selectable16,384、8,192、4,096、2048、1024and512。 |
| Dead time for each event | 2 μsIncludes memory transfer. |
| integral nonlinearity | before the dynamic range99％，<+0.025％。 |
| differential nonlinearity | before the dynamic range99％，<±1%。 |
| gain instability | <+50 ppm/°C。 |
| Dead time correction | The software can be based onGedcke-Halemethod orZDTLive Time Correction Performs an extended live time correction that monitors the count rate and adjusts for dead time for count rate fluctuations. |
| data memory | 512 kb。 |
| USBinterface | PassUSB 2.0Connect toPC. The data transfer speed is480 Mbps。 |
input and output
| Input | Accepts positive unipolar, positive gated integrator, or0to+10 VBipolar analog pulses that are predominantly positive within the dynamic range;+12 V；0.25Arrive30 μsThe semi-Gaussian time constant of3Arrive30 μsthe time constant of the gated integrator shape, or the delay line shape, where the width>0.25 μs。Zin =1kΩ, DC coupled. No internal delays,BNCconnector. |
| ADCdoor | OptionalTTLEnter. The computer can choose conform mode, anti-conform mode, or off. The signal must occur before and exceed the pulse peak0.5-μs；BNCconnector.Zin= 1kΩ。 |
| PUR | Stack rejection input; acceptTTLSignal; the signal must occur before peak detection.Zin= 1kΩ。BNCconnector. |
| busy | Busy input used by the live time correction circuit. acceptTTLSignal; the signal must occur before peak detection.Zin= 1kΩ。BNCconnector. |
| Changer input | 9needle"D" type connector.Zin= 1kΩ。ADC 1The input is the pin1。ADC 2The input is the pin5. Ground is the pin9。 |
| Sample conversion output | 9needle"D" type connector.Zout= 1 kΩ。ADC 1The output is a pin3。ADC 2The output is a pin7. Ground is the pin9。 |
| USB-2.0 | StandardUSBConnection is via the included10ft. of cable implemented. |
indicator
| ADC1 | instructionsADC-1activity. |
| ADC2 | instructionsADC-2activity. |
Software control(Use the includedMAESTROperform operations - See datasheet for details. )
| ADC LLD | The computer can be accessed from0Arrive100% of full scale for control. |
| ADC ULD | The computer can be accessed from0Arrive100% of full scale for control. |
Default
| real time/living time | 20Multiple of milliseconds. |
| area of interest | Peak count/Points counting. |
| Data overflow | When any channel exceeds231-1Data collection will be terminated. |
| peak uncertainty | Acquisition stops when the statistical or counting uncertainty of the user-selected net peak reaches a specified value. |
| nuclideMDA | When the user specifiesMDAThe minimum detectable activity (MDA) value reaches the specified value, data collection will stop. |
| live time correction | Gedcke-Hale，ZDT。 |
| door | Conform, anti-conform, close. |
electrical and mechanical
| Required power supply | +6 V, 250 mA; +12 V, 165 mA; -12 V, 165 mA。 |
| weight | Net weight 0.9Kilogram (2pounds).Shipping weight 2.25Kilogram (5pounds). |
| Size | NIMStandard single width3.43 x 22.13cm (1.35 x 8.714inches) front panel, conforming toDOE/ER0457Trequirements. |
