3D2700 doc # 14022 data delay devices, inc. 1 1/5 /201 5 3 mt. prospect ave. clifton, nj 07013 7 - bit adjustable, high b.w. passive delay line (series 3D2700 ) features package ? delay adjustable in 127 steps ? delay step sizes of 0.5ns to 3 ns available ? fast rise time for high frequency applications ? i/o reversible ? bnc female connectors ? meets or e xceeds mil - d - 23859c functional description the 3D2700 device is a single - input, single - output, passive delay line. t he signal input (in) is reproduced at the output (out), shifted by a time (t d ) which can be adjusted via seven binary - weighted switches . the value of these switches, multiplied by the device dash number, determines the device delay (referenced to the delay with all the switches off) . the device is offered in 50 - ohm and 75 - ohm impedance versions. series specifications ? delay tolerance: 2 % ? minimum delay (all switches off) : 2 ns ? impedance: 50 ? or 75? ? ripple in pass - band: approx. 0.2db ? dielectric breakdown: 1 00 v dc ? operating temp: - 65 ? c to +125 ? c ? temperature coeff: <100 ppm/ ? c ? case dimensions: 4.13 x 2.68 x 1.66 ( 10.5cm x 6.8cm x 4.2cm ) ? pin descriptions in signal input (bnc) out signal output (bnc) dash number specifications part number delay step (ns) delay range (ns) imped - ance ( ? ) 3db b.w. (mhz) 3D2700 - 0.5a 0.5 63.5 50 30 3D2700 - 1a 1.0 127.0 50 28 3D2700 - 1.5a 1.5 190.5 50 26 3D2700 - 2a 2.0 254.0 50 24 3D2700 - 2.5a 2.5 317.5 50 22 3D2700 - 3a 3.0 381.0 50 20 3D2700 - 0.5y 0.5 63.5 75 30 3D2700 - 1y 1.0 127.0 75 28 3D2700 - 1.5y 1.5 190.5 75 26 3D2700 - 2y 2.0 254.0 75 24 3D2700 - 2.5y 2.5 317.5 75 22 3D2700 - 3y 3.0 381.0 75 20 note s : 3db bw measured at maximum delay larger dash numbers are available in larger form factors. please contact factory for details.
3D2700 doc # 14022 data delay devices, inc. 2 1/5 /201 5 tel: 973 - 773 - 2299 fax: 973 - 773 - 9672 http://www.datadelay.com passive delay line test specifications test conditions input: output: ambient temperature: 25 o c ? 3 o c r load : 10m ? input pulse: high = +0.5v typical c load : 10pf low = - 0.5v typical threshold: 50% (rising & falling) source impedance: 50 ? max. rise/fall time: 3.0 ns max. (measured at 10% and 90% levels) pulse width: pw in = 100ns period: per in = 1000ns note: the above conditions are for test only and do not in any way restrict the operation of the device. in out out trig in trig test setup (delay measurements) device under test (dut) oscilloscop e pulse generator 50 ? r out r in r in = r out = z line in test s etup (frequency response) device under test network analyzer (hp 3577a) out in r in a in b gnd in out b 50 - ohm signal divider (hp 35676 - 66301) out r out a coax coax coax coax rf out gnd impedance matching network impedance matching network
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