Home Digital Delay/Pulse Generator SRS DB64 Coax Delay Box

SRS DB64 Coax Delay Box

Availability: In stock


Product Code:
22697
Manufacturer: Stanford Research Systems
Special Price £692.58 £831.10 Regular Price £856.80
  • Switch controlled time delays
  • 0 to 63.5 ns delay range
  • 0.5 ns resolution
  • Low reflections and feed-through

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The Stanford Research Systems 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 Ω 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.

Connectors BNC
Characteristic impedance 50 Ω
Delay line cable RG58A/U (Belden 8259)
Insertion delay 2.5 ns
Delay range 0 to 63.5 ns
Delay resolution 0.5 ns
Delay error  
Signal reflection  
Switch feed through <0.8 pF
Maximum voltage 250 Vrms
Maximum current 2 A
Dimensions 8.3” × 1.5” × 8.0” (WHL)
Weight 2 lbs
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