Keysight B1505A Configuration and Connection Guide 5-15Connection Guide for Wafer Prober and Your Own Test FixtureTo Connect High Voltage R-BoxTable 5-9 To Connect N1262A OutputVoltage drop caused by the R-box must be subtracted from the measurement result asfollowing.Vdut = Vout - Rs Imeaswhere, Vdut: Voltage after correction, Vout: Source output voltage, Rs: Resistance of theseries resistor, and Imeas: Measurement currentTo Use Universal R-BoxTo install your desired resistor, see the following simple instruction.•tRequired parts:wire, adequate rating, length, and quantityyour desired resistor, adequate ratinghexlobe (torx type) screwdriver T-10label, for noting resistance value• Instruction:1. Remove the cover of the universal R-box.2. Solder the resistor and wire as shown below.To prevent discharge and any accident, make enough space between the resistorleads and the shield or chassis. For example, make space of about 1 mm from theleads for maximum 200 V output, 6 mm for 3000 V, and 32 mm for 10 kV.Case 1: N1262A-020/021, see Figure 5-1.• Connect a wire between a terminal and the center conductor of its nearconnector.• Connect a wire between the other terminal and the center conductor of the otherconnector.• Connect the resistor between the terminals.Options Required cables/Description Connect toN1262A-001 Coaxial cable with SHV(plug) connector. DUT terminal(ex: drain)N1262A-002 Coaxial cable with SHV(plug) connector.N1262A-010 Triaxial cable with Triaxial(m) connector. DUT terminal(ex: gate)N1262A-011 Coaxial cable with SHV(plug) connector.N1262A-020 Triaxial cable with Triaxial(m) connector.N1262A-021 Coaxial cable with SHV(plug) connector.N1262A-023 Coaxial cable with UHV(plug) connector.