srs DB64-Coax delay with 0.5 ns resolution

主要指標與說明The SRS Model DB64 Coax Delay Box provides switch-controlled delays from 0 to 63.5 ns with 0.5 ns resolution. Applications include the timing of photomultiplier coincidences, set-up of time-to-amplitude converters, adjustment of signal phase, or any application which requires an adjustable, high-bandwidth analog delay.

DB64 Coax DelaySwitch controlled time delays0 to 63.5 ns delay range0.5 ns resolutionLow reflections and feed-throughDB64 Coax DelayThe SRS Model DB64 Coax Delay Box provides switch-controlled delays from 0 to 63.5 ns with 0.5 ns resolution. Applications include the timing of photomultiplier coincidences, set-up of time-to-amplitude converters, adjustment of signal phase, or any application which requires an adjustable, high-bandwidth analog delay.The interchangeable inputs/outputs are on BNC connectors. Internally, the delay line segments consist of accurate lengths of RG58A/U coax cable with 50 ? characteristic impedance. DPDT switches are used to insert or remove delay segments. Careful component selection, mechanical design, and PCB layout ensure low reflections and low switch feed-through for high speed signals.Two DB64s can be mounted side-by-side in a 19" rack using the RM1U rack mount accessory. A chassis lug is provided on the rear panel as a safety ground.

DB64 Coax DelayConnectors BNCCharacteristic impedance 50 ?Delay line cable RG58A/U (Belden 8259)Insertion delay 2.5 nsDelay range 0 to 63.5 nsDelay resolution 0.5 nsDelay error<100 ps + 0.5 % of delaySignal reflection <3 %Switch feed through <0.8 pFMaximum voltage 250 VrmsMaximum current 2 ADimensions 8.3" × 1.5" × 8.0" (WHL)Weight 2 lbsWarranty One year parts and labor on defects in materials and workmanship

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