Delay Measuring example

Delay Measuring example 560/2=280ns 316/2=158ns Transmitter 224/2=112ns R3 R4 672/2=336ns Integrus Tech Delay Measuring

Step 1 Disconnect cables from HF Outputs Integrus Tech Delay Measuring

Step 2 Measure Signal Delay to Radiator 1 316 R1=316/2=158ns Integrus Tech Delay Measuring

Step 3 Measure Signal Delay to Radiator 2 560 R1=316/2=158ns R2=560/2=280ns Integrus Tech Delay Measuring

Step 4 Measure Signal Delay to Radiator 3 224 R1=316/2=158ns R3=224/2=112ns R2=560/2=280ns Integrus Tech Delay Measuring

Step 5 Measure Signal Delay to Radiator 4 672 R1=316/2=158ns R3=224/2=112ns R2=560/2=280ns R4=672/2=336ns Integrus Tech Delay Measuring

Step 6 Determine Maximum Signal Delay R1=316/2=158ns R3=224/2=112ns R2=560/2=280ns R4=672/2=336ns Integrus Tech Delay Measuring

7 5 0 2 Step 7 Calculate Delay Switch Positions (336 – 158) / 33 = 5.39 (336 – 112) / 33 = 6.78 Switch Position = (Max. Signal Delay – Delay Rx) / 33 (336 – 280) / 33 = 1.69 (336 – 336) / 33 = 0 Integrus Tech Delay Measuring

Delay Measuring example End of section Integrus Tech Delay Measuring

Delay Measuring example

Delay Measuring example

Presentation Transcript

Measuring Delay with APRICOT 2009 February 20 Hervey Allen

Measuring propagation delay over a coded serial communication channel using FPGAs

Delay Jitter

Delay Calculations

Delay

Tom DeLay

Hamlet’s Delay

Measuring Exhaustion Response: Example using Vagal Variance

Delay

LANGUAGE DELAY

Big Delay !

Unnecessary Delay

Measuring Delay with PacNOG 6 Nadi, Fiji hervey@nsrc

DELAY

Character Device Driver (Delay Routine with CMOS RAM example)

Signal Delay

Cable measuring example

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LANGUAGE DELAY

Propagation Delay