Wilder Technologies SATA 2.5 Test Adapter Uživatelský manuál stáhnout pdf (Strana 45)

Basic Receiver Testing

16-JUL-2013

45

At the simplest level, receiver

testing is composed of:

1. Send impaired signal to the

receiver under test

2. The receiver decides

whether the incoming bits

are a one or a zero

3. The chip loops back the bit

stream to the transmitter

4. The transmitter sends out

exactly the bits it received

5. An error counter compares

the bits to the expected

signal and looks for

mistakes (errors)

Pattern Generator

with Stress

1.

2.

3.

4.

5.

Error Counter

1 2 ... 40 41 42 43 44 45 46 47 48 49 50 ... 91 92

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