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document.write('    	<td height="18" bgcolor="#EDECE9">·[] 发表评论于 2011/9/9 7:51:05</td>');
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document.write('    	<td style="line-height:24px;font-size:14px;">&nbsp;那位大侠能否给一张pcB线路板图谢谢：</td>');
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document.write('    	<td height="18" bgcolor="#EDECE9">·[] 发表评论于 2011/9/4 20:06:33</td>');
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document.write('    	<td style="line-height:24px;font-size:14px;">&nbsp;如果要改成4V，晶体管的偏置电阻需要改变，发射功率也会缩短，发射距离也会变短。</td>');
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document.write('    	<td height="18" bgcolor="#EDECE9">·[] 发表评论于 2011/9/2 17:18:21</td>');
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document.write('    	<td style="line-height:24px;font-size:14px;">&nbsp;大侠供电能否改成4v的？如何改动？发射距离会不会变?</td>');
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document.write('    	<td height="18" bgcolor="#EDECE9">·[] 发表评论于 2011/8/29 22:55:41</td>');
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document.write('    	<td style="line-height:24px;font-size:14px;">&nbsp;这个电路真的有用吗？有没有人用过？</td>');
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document.write('    	<td height="18" bgcolor="#EDECE9">·[] 发表评论于 2011/8/14 16:38:15</td>');
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document.write('    	<td style="line-height:24px;font-size:14px;">&nbsp;不用，VT2工作在丙类状态</td>');
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document.write('    	<td height="18" bgcolor="#EDECE9">·[123] 发表评论于 2011/8/14 14:00:33</td>');
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document.write('    	<td style="line-height:24px;font-size:14px;">&nbsp;vT2基极不用提供直流偏置吗？</td>');
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document.write('    	<td height="18" bgcolor="#EDECE9">·[] 发表评论于 2011/8/14 13:58:39</td>');
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document.write('    	<td style="line-height:24px;font-size:14px;">&nbsp;vT2基极不用偏置电压吗？</td>');
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