JVS 620 DF Cryoprobe

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			DESCRIPTION The JVS 620 DF Cryoprobe is designed to test programmable JVS chips, using the standard NIST 40-pad JVS configuration. SPECIFICATIONS AND FEATURES - Tests programmable JVS chips. - Uses standard NIST 40-pad JVS configuration. - Up to 20 GHz RF drive frequency. - Stainless steel support tube and drive coax jacket for low helium consumption. - Approximately 1 liter/day liquid-Helium consumption (probe itself, not including dewar consumption). - Precision voltage leads are thermally anchored to copper blocks and a thermally isolated connector box for low thermal voltages (5 to 10 nV typical). - Low drift rate of precision voltage leads (3 nV/hr or less). - Sliding flange to mate with customer’s dewar. - Helium gas check-valve (1 psi) and vent-valve for cooling copper dc-bias lines, and easy recycling of Helium gas. - Note: JVS 620 DF cryoprobe does not include the JVS chip. - Comes boxed for international shipping. PRICE Price/Quote available upon request.