V Input V Output Kelvin Monitor Points Input power +12 volts Output / Test Load Carrier Board Plug In Card ASIC Chips Load Keep Short Leads Cable Yale.

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Presentation transcript:

V Input V Output Kelvin Monitor Points Input power +12 volts Output / Test Load Carrier Board Plug In Card ASIC Chips Load Keep Short Leads Cable Yale University October 20, 2009

Model 250 Yale University May 22, 2008 Relay Current Out Vout/ Load Current IN Voltage IN Input Power 0.5 Ohms 0.05 Ohms Output Power To Keithley Instruments 2701 Scanning Voltmeter with 7706 Card A Board: Channels B Board: Channels C Board: Channels D Board: Channels R Red Orange BK/O Black Blue Green Blue/Y or Black Yellow Power Cable Colors Molex 9 pin Female Molex 9 pin Male DC-DC Evaluation Board 8 Fly Wires Solder to Eval Board 5 ft Length Can Add Extender Cable DAC: 123, 124 DIO : 121, CHANNEL Numbers

Yale University April 09, 2009 Model 2151_Max8654 Yale University April 09, 2009 Power Out Power IN Enable / Disable Power Good Out Kelvin points for Vin & Vout

Model 2151_IR8431 Yale University April 09, 2009 Kelvin points for Vin & Vout Power IN Enable / Disable Power Good Out Power Out

PCB embedded Coil Copper Coils Solenoid

Power Supply VInput 5.5 V max to prevent damage. GND Buck Regulator Eval Board Size = 3 inch x 3.5 inch Banana Jacks / Solder Wires Satish Dhawan, Yale University Load Resistor = 0.3 to 1.5 Ώ Line Drop ~ amps in each Leg ??? Twisted Pair Preferred V Input Monitor. 2 Wire Differential V Output Monitor 2 wire Differential Agilent 34970A & Multiplexer 33901A to Monitor I & V April DC-DC Regulator Setup for Radiation Exposure GND V Output = 1.5 V. 1 to 5 Amps. ~ 0.5 Amps. V out > 5 – 20 Volts 4 Wire Current shunt V Output Monitor 2 wire Differential 4 Wire Current shunt V Output Monitor 2 wire Differential DC-DC Converter Voltage ratio = 8/10 Load: Rated Current or maximum without cooling ~ 1 amp Setup for 4 EVAL Boards Measure Bias Current with Load disconnected Solder all wires ???? Switch on/off

Load GND – Negative Side High – Positive Side Control Vin: Negative Side Control Vin: Positive Side Fault Output GND +5 Vcc Electronic Load 2 amps/ volt May 17, 2008 Datel DTL22A-LC 20 amps/100 Watt Electronic Load 2 amps / Volt Trimpot 20 KOhms Set maximum current Helipot 10 KOhms GND