27
ASK demodulation analysis
Instruction
Key strokes
Connect the signal generator to the RF IN
connector and turn on the signal generator’s
ASK and RF output.
Turn on the ASK demodulation analysis
function.
[MODE], rotate the knob to highlight
Demodulation Analysis, [ENTER], {ASK}
Set the carrier frequency.
{Carrier Freq}, [100], {MHz}
Set the symbol rate.
{Symbol Rate}, [10], {ksps}
Set the filter type.
{Filter Setup}, {Ref Filter}, {Nyquist},
{Return}
Set the attenuation state to auto.
{More 1 of 3}, {More 2 of 3}, {Attenuation
{Auto}}, {More 3 of 3}
Set the Y scale.
{Y Scale}, {Auto Scale}, {Return}
Set the ASK depth limit and turn on the limit
function.
{More 1 of 3}, {Limits}, {ASK Depth UP},
[71], {%}, {ASK Depth Low}, [70], {%},
{Limits on)}, {Return}
View the eye diagram.
{More 2 of 3}, {More 3 of 3}, {View}, {Eye
Diagram}
Figure 18. ASK eye diagram
Section 12
ASK/FSK Demodulation Analysis (continued)
