CIRCUIT RESEARCH LABS INC
EXHIBIT 10.2
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<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B>Exhibit&nbsp;10.2</B>
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<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><U><B>DEMAND NOTE</B></U>
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    <TD align="left" valign="top"><B>$475,000.00</B>
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    <TD>&nbsp;</TD>
    <TD align="right" valign="top"><B>March&nbsp;31, 2006</B></TD>
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Circuit Research Labs, Inc. will pay upon demand the sum of Four Hundred Seventy-Five Thousand
Dollars ($475,000.00) in cash with and upon demand by Jayson Russell Brentlinger.
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Terms are: 30&nbsp;day Demand Note Right of Conversion into Common Stock at $0.50 per share;
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Or
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Preferred Shares at $100.00 per Share with 11.5% coupon also Convertible into Common Shares at
$0.50 per share.
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Interest on Demand Note will be 11.5% until converted or paid in full.
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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Right of Conversion shall apply even if Note is repaid for a period of one year from this
date. This right of Conversion shall become options to purchase Common Stock at $0.50 per share
for up to 950,000 shares of Common Stock.
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    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">C. Jayson Brentlinger
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    <TD align="left" valign="top">Jayson Russell Brentlinger</TD>
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    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">President, CEO, Chairman</DIV></TD>
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    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Orban/CRL</DIV></TD>
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<P align="center" style="font-size: 10pt">1
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