膽機搭棚時有一些好有趣的問題

1. diy膽機一定有noise?  示波器見唔到都可以收貨
// Yes, but need to define the noise value or in S/N ratio.  Use AC voltmeter to measure.

2. 最好唔好落地...
// YES. Read it carefully.  
http://www.hypex.nl/docs/earth.pdf

3. 用晒貴料就靚晒
// YES.

4. 膽機啲零件(包括線)唔一定要盡貼底板/ 機箱...原子粒先要
// Except for Power resistor.

5. 除了他表 / 示波器, 都唔洗用咩check?
// Need to use Clamp meter to measure the start up and operating current.

6. 還有, 零件包上熱縮通一定衰聲
// Yes, for power resistor, it will affect the heat dissiaption. Thermal noise happen.
Therefore no dum dum is good.

又係果句,當年幫友台砌了—部超高S/N 的普通零件机,事後仲被人屌完全無噪音吾似膽机添
所以各處鄉村各處例,自己老婆梗話係最好的

KK.

2. 篇又吾係咁意思,你睇多幾次份PDF, 吾該

3. L, 又稱inductor, 中文叫電感,又有人叫線圈
如果你塊PCB無線路既地方係鋪左銅,越近PcB越好
線圈可接收或發射頻率,有個金鐘罩封住再接Gnd就乜都收/射吾到

6. 吾知你講乜

看來要借本RF 書你睇,$6XX ,要還