ECE145A Lab 3
Winter 2007
ECE145A Lab #3
We will use the NEC NE85639 BJT.
Data sheet for NE856 series
PC board layout can be done with the free Windows program from ExpressPCB
ExpressPCB Website
If you are using your own computer for PCB layout, download the component files below.
Copy them into the Program Files\ExpressPCB\PCBComponents_Custom
directory.
Component footprint for NE85639: NE85639.p
Component footprint for board-mounted SMA pad: SMApad.p
You must also read these instructions on how to layout the PCB and how to submit it to Prof. Long
Layout instructions
Data sheets for Coilcraft chip inductors
0603 chip inductor data sheet
0603 chip inductor equivalent circuit ("spice") models
chip inductor models - manufacturer info on use
Here are examples of amplifiers using PCB layout
example 1
example 2
Here is an example of an amplifier using copper tape layout
example of layout. Don't laugh! It worked!
