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Combo-100
Pulse
Preamplifier		 DC Current
Preamplifier
Sensitivity 160µV 1V/100pA
Max. Repetition Rate 50 MHz  
Input Noise Level 10µV  
Pulse Pair Resolution 20ns  
Min. Output Pulse Width 10ns  
Output TTL DC Voltage
Input Range   100pA to 10µA
Frequency Response at 10µA   400 KHz
Output Range   0 to 2VDC
Output Impedance 50 ohm 100 ohm
Power Requirement +8VDC to +24VDC and -8VDC T0 -24VDC
Input Connector BNC (One connector for both preamplifiers)
Output Connector BNC and 9 pin Mini D 9 pin Mini D
Power Connector 9 pin Mini D 9 pin Mini D
Note: There is one 9 pin Mini D connector for the DC power, analog output, and second TTL output.








  PMT-4L PMT-4V3 PMT-5 PMT-5R
Input Range 10-7 to 10-5 A/V 10-10 to 10-5 A/V 10-11 to 10-6 A/V 10-12 to 10-6 A/V
Range Selection 3 position rotary switch 6 position rotary switch 6 position rotary switch remote by 3 TTL logic lines
Input Impedance 50 ohm 1 k ohm 1 k ohm 1 k ohm
Output Range ±10V ±10V ±10V ±10V
Output Impedance 100 ohm 100 ohm 100 ohm 100 ohm
Power Requirement ±15 VDC, 50 mA ±15 VDC, 50 mA ±15 VDC, 50 mA ±15 VDC, 50 mA
Power Connector 9 pin Mini D 9 pin Mini D 9 pin Mini D 9 pin Mini D
Signal Connectors BNC BNC BNC BNC

 

PMT-4L CURRENT TO VOLTAGE AMPLIFIER SPECIFICATIONS

Range .1 µA/V 1 µA/V 10 µA/V
Bandwidth low cap. input 100 kHz 800 kHz 3 MHz
Equivalent Input noise 1 nAp-p 6 nAp-p 30 nAp-p
  (100 pA rms) (600 pA rms) (3 nA rms)

 

PMT-4V3 CURRENT TO VOLTAGE AMPLIFIER SPECIFICATIONS

Range 100 pA/V 1 nA/V 10 nA/V 100 nA/V 1 µA/V 10 µA/V
Bandwidth 250 Hz 3 kHz 35 kHz 350 kHz 2 MHz 3.5 MHz
Equivalent Input
Noise (RMS)		 0.9 pA 4.5 pA 42 pA 410 pA 700 pA 1.0 nA
Equivalent Input
Noise (p-p) at
20 MHz BW		 6 pA 30 pA .3 nA 3 nA 30 nA 40 nA
Download the PMT-4L data sheet as a PDF file.
Download the PMT-4V3 data sheet as a PDF file.
Download the PMT-5 data sheet as a PDF file.
Download the PMT-5R data sheet as a PDF file.
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