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标题:
BL54573。M54573。CD54573
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作者:
admin
时间:
2011-6-4 14:13
标题:
BL54573。M54573。CD54573
<P>[attach]6852[/attach]</P>
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<P><STRONG><FONT color=red>8脚封装,电源电压=12～15V,集成电路为调谐器频段译码、驱动器电路、可切换3或4个频段。<BR></FONT></STRONG><BR><BR><BR></P>
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<TABLE class=t_table width="98%">
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<TBODY>
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<TR>
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<TD><BR>
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<TABLE class=t_table style="BACKGROUND-COLOR: #ffffff" width="98%">M54573[td]
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<TBODY>
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<TR>
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<TD>引脚序号</TD>
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<TD>符 号</TD>
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<TD>功 能</TD>
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<TD>直流电压（V）</TD>
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<TD>对地电阻（KΩ）红笔接地</TD>
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<TD>对地电阻（KΩ）黑笔接地</TD>
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<TD>备 注</TD></TR>
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<TR>
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<TD>1</TD>
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<TD>OUT3</TD>
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<TD>输出3</TD>
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<TD>12</TD>
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<TD>1.1</TD>
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<TD>.32</TD>
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<TD>Rx10</TD></TR>
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<TR>
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<TD>2</TD>
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<TD>OUT2</TD>
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<TD>输出2</TD>
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<TD>0</TD>
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<TD>1.5</TD>
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<TD>1.5</TD>
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<TD><BR></TD></TR>
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<TR>
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<TD>3</TD>
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<TD>INA</TD>
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<TD>输入A</TD>
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<TD>.5</TD>
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<TD>22</TD>
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<TD>12</TD>
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<TD><BR></TD></TR>
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<TR>
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<TD>4</TD>
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<TD>INB</TD>
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<TD>输入B</TD>
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<TD>12</TD>
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<TD>22</TD>
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<TD>8.8</TD>
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<TD><BR></TD></TR>
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<TR>
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<TD>5</TD>
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<TD>GND</TD>
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<TD>接地</TD>
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<TD>0</TD>
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<TD>0</TD>
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<TD>0</TD>
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<TD><BR></TD></TR>
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<TR>
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<TD>6</TD>
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<TD>OUT4</TD>
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<TD>输出4</TD>
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<TD>0</TD>
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<TD>∞</TD>
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<TD>9.5</TD>
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<TD><BR></TD></TR>
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<TR>
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<TD>7</TD>
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<TD>OUT1</TD>
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<TD>输出1</TD>
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<TD>0</TD>
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<TD>1.2</TD>
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<TD>1.2</TD>
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<TD><BR></TD></TR>
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<TR>
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<TD>8</TD>
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<TD>Vcc</TD>
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<TD>电源电压</TD>
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<TD>12</TD>
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<TD>0.4</TD>
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<TD>.1</TD>
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<TD>Rx10</TD></TR></TBODY></TABLE></TD></TR></TBODY></TABLE><BR><BR>
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<TABLE class=t_table style="BACKGROUND-COLOR: #ffffff" width="98%">M54573L[td]
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<TBODY>
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<TR>
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<TD>引脚</TD>
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<TD>功能</TD>
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<TD>工作电压（V）</TD>
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<TD>在路电阻（KΩ）_红笔测</TD>
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<TD>在路电阻（KΩ）_黑笔测</TD></TR>
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<TR>
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<TD>1</TD>
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<TD>BL(VHFL)频段控制电压输出</TD>
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<TD>0/12.0</TD>
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<TD>0.5</TD>
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<TD>1.2</TD></TR>
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<TR>
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<TD>2</TD>
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<TD>BH(VHFH)频段控制电压输出</TD>
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<TD>0/12.0</TD>
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<TD>1.8</TD>
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<TD>2.0</TD></TR>
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<TR>
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<TD>3</TD>
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<TD>频段节换控制电压输入</TD>
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<TD>0/12.0</TD>
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<TD>10.0</TD>
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<TD>22.5</TD></TR>
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<TR>
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<TD>4</TD>
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<TD>频段节换控制电压输入</TD>
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<TD>0/12.0</TD>
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<TD>10.0</TD>
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<TD>22.5</TD></TR>
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<TR>
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<TD>5</TD>
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<TD>接地端</TD>
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<TD>0</TD>
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<TD>0</TD>
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<TD>0</TD></TR>
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<TR>
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<TD>6</TD>
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<TD>本机空脚</TD>
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<TD>0</TD>
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<TD>9.5</TD>
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<TD>∞</TD></TR>
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<TR>
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<TD>7</TD>
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<TD>BU(UHF)频段控制电压输出</TD>
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<TD>12.0/0</TD>
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<TD>1.6</TD>
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<TD>1.8</TD></TR>
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<TR>
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<TD>8</TD>
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<TD>12V电源输入端</TD>
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<TD>12.0</TD>
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<TD>0.2</TD>
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<TD>0.4</TD></TR></TBODY></TABLE>
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<P><BR><IMG src="http://www.go-gddq.com//upload/2007_09/07091318303715.gif" border=0></P>
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<P> </P>
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