5

SY88993AV

Micrel, Inc.

M9999-082205

hbwhelp@micrel.com or (408) 955-1690

Output Termination

The SY88993AV outputs must be terminated with a 50Ω

Layout and PCB Design

Since the SY88993AV is a high-frequency component,

performance can largely be determined by board layout

and design. A common problem with high-gain amplifiers is

feedback from the large swing outputs to the input via power

supply.

The SY88993AV ground pin should be connected to the

circuit board ground. Use multiple PCB vias close to the

part to connect to ground. Avoid long, inductive runs which

can degrade performance.

APPLICATION NOTE

Figure 3. LOS

NOTES:

1. Resistor Divider = R2/ (R1 + R2)

2. R1 + R2 ≥ 5kΩ

Figure 2. Differential Output Configuration

Figure 1. Differential Input Configuration

R1

R2

GND

22nF

22nF

ESD STRUCTURE

0.1µF

50Ω

GND

16mA

50Ω

50Ω

50Ω

ESD STRUCTURE