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K4CDN/Cale
Eminent Member
Joined: 1 year  ago
Posts: 36
02/11/2016 5:59 pm  

 

HamRadio 360 Build Project

 

K6BEZ Antenna Analyzer


 

The K6BEZ antenna analyzer will provide VSWR measurements for any antenna from 1 to 30 MHz.  Frequency and VSWR is shown on the built in LCD display.  Data can optionally be sent over the USB cable to a PC running a program that will plot the VSWR on a graphical window display.
The analyzer can be programmed to scan any sub band and has built in ranges for 160m, 80m, 60m, 40m, 30m, 20m, 17m, 15m, 12m, 10m. 
 

Compilation Page Found Here

 

To keep the cost as low as possible, you will need to acquire the parts from multiple sources. This guide explains the parts list and recommended sources. Of course, a well stocked junk box might contain most everything you need so you can buy whatever you need.

 

 

PCB and germanium diode kit

 

The custom PCB has been designed with the free version of the Eagle PCB design software. We made a bunch of blank PCBs and are making them available through the HamRadio 360 web site. Go to this link and buy an Antenna Analyzer PCB kit. This partial kit contains one blank PCB and 2 germanium diodes. We found a stash of these special diodes at a great price and will include two with each PCB partial kit.

 

Link: To Purchase Board

 


 

 

Common Parts

 

There are several common resistors, capacitors, switches, IC’s, and mechanical parts that are available from Digikey and other suppliers. You may also have these in your junk box. You can order some or all of these parts from Digikey (link to BOM)

K0EDF shared a CSV File of Parts on Git-Hub


Type

Part

Description

Value

Digikey Part #

 

 

 

 

 

Connector

CON1

Right angle BNC connector

 

A97569-ND

Connector

J1

DC power jack 2.1mm

 

CP-102AH-ND

 

 

 

 

 

Capacitor

C1

0.1" spaced dipped mono 10%

0.01

399-4260-ND

Capacitor

C2

0.1" spaced dipped mono 10%

0.1

BC1084CT-ND

Capacitor

C3

Electrolytic capacitor 25v

1uf

493-10461-1-ND

Capacitor

C4

Electrolytic capacitor 25v

10uf

P980-ND

Capacitor

C5

Electrolytic capacitor 25v

10uf

P980-ND

Capacitor

C6

0.1" spaced dipped mono 10%

0.1

BC1084CT-ND

Capacitor

C7

0.1" spaced dipped mono 10%

0.01

399-4260-ND

Capacitor

C8

0.1" spaced dipped mono 10%

0.01

399-4260-ND

 

 

 

 

 

Resistor

R1

1/4 Watt 5%

49.9

49.9XBK-ND

Resistor

R2

1/4 Watt 5%

10k

10KQBK-ND

Resistor

R3

1/4 Watt 5%

49.9

49.9XBK-ND

Resistor

R4

1/4 Watt 5%

49.9

49.9XBK-ND

Resistor

R5

1/4 Watt 5%

649

649XBK-ND

Resistor

R6

1/4 Watt 5%

33k

33KQBK-ND

Resistor

R7

1/4 Watt 5%

10k

10KQBK-ND

Resistor

R8

1/4 Watt 5%

100k

100KQBK-ND

Resistor

R9

1/4 Watt 5%

649

649XBK-ND

Resistor

R10

1/4 Watt 5%

33k

33KQBK-ND

Resistor

R12

1/4 Watt 5%

100k

100KQBK-ND

Resistor

R13

1/4 Watt 5%

10

10QBK-ND

Resistor

R14

1/4 Watt 5%

10k

10KQBK-ND

Resistor

R15

1/4 Watt 5%

649

649XBK-ND

Resistor

R16

1/4 Watt 5%

10k

10KQBK-ND

Resistor

R17

1/4 Watt 5%

10k

10KQBK-ND

 

 

 

 

 

Switch

S1

Tactile pushbutton switch

 

450-1650-ND

Switch

S2

Tactile pushbutton switch

 

450-1650-ND

Switch

S3

Tactile pushbutton switch

 

450-1650-ND

 

 

 

 

 

Integrated Circuit

U3

MCP 6002 Dual OpAmp

 

MCP6002-E/P-ND

Integrated Circuit

U4

5v DC / DC converter OKI-78SR-5/1.5-W36H-C

811-2692-ND

 

 

 

 

 

Mechanical

X1

10 pin female header

 

S7043-ND

Mechanical

X2

10 pin female header

 

S7043-ND

Mechanical

X3

16 pin male header 0.1" pitch

 

S1011EC-16-ND

Mechanical

X4

4-40 Hex standoff 1/4" long, 3/16" diameter

36-1891-ND

Mechanical

X5

4-40 Hex standoff 1/4" long, 3/16" diameter

36-1891-ND

Mechanical

X6

4-40 Hex standoff 1/4" long, 3/16" diameter

36-1891-ND

Mechanical

X7

4-40 Hex standoff 1/4" long, 3/16" diameter

36-1891-ND

Mechanical

X8

4-40 Hex standoff 1/4" long, 3/16" diameter

36-1891-ND

Mechanical

X9

4-40 Hex standoff 1/4" long, 3/16" diameter

36-1891-ND

Mechanical

X10

4-40 Hex standoff 1/4" long, 3/16" diameter

36-1891-ND

Mechanical

X11

4-40 Hex standoff 1/4" long, 3/16" diameter

36-1891-ND

Mechanical

X12

4-40 1/4" pan head philips screw

 

36-9900-ND

Mechanical

X13

4-40 1/4" pan head philips screw

 

36-9900-ND

Mechanical

X14

4-40 1/4" pan head philips screw

 

36-9900-ND

Mechanical

X15

4-40 1/4" pan head philips screw

 

36-9900-ND

Mechanical

X16

4-40 hex nut

 

36-4694-ND

Mechanical

X17

4-40 hex nut

 

36-4694-ND

Mechanical

X18

4-40 hex nut

 

36-4694-ND

Mechanical

X19

4-40 hex nut

 

36-4694-ND

Mechanical

X20

4-40 1/2" pan head philips screw

 

36-9902-ND

Mechanical

X21

4-40 1/2" pan head philips screw

 

36-9902-ND

Mechanical

X22

4-40 1/2" pan head philips screw

 

36-9902-ND

Mechanical

X23

4-40 1/2" pan head philips screw

 

36-9902-ND

Mechanical

X24

8 pin DIP socket

 

AE9986-ND

 

 

 

Link to BOM via DigiKey

 


 

 

Arduino Pro Micro

 

This is the microcontroller board that controls the antenna analyzer. Make sure you buy the right board. It’s called an Arduino Pro Micro. They are available from at least two sources: Sparkfun or Deal Extreme.

 

Sparkfun Link

 

Deal Extreme Link

 

Note that the Sparkfun version is $20 and the Deal Extreme version is only $6. Sparkfun is the safe bet as a reliable supplier. Deal Extreme is always cheaper and they seem reliable but if there are problems you are on your own. We recommend the Deal Extreme version because you are only risking $6 if there are any problems.

 

 


 

 

DDS Synthesis Chip Module

 

The synthesis chip module is sold by multiple vendors on Ebay. Search Ebay for “DDS AD9850 Signal Generator Module Signal Sine Square Wave 0-40MHz”

 

Here are some links to the right modules…

 

Link 1

 

Link 2

 

 


 

 

 LCD Display

 

This is a garden variety “type 1602” 16 character x 2 line Character LCD Display Module with an HD44780 controller chip and yellow black lighting. You can buy compatible displays from many sources and Ebay is a great place to get them on the cheap. The display at the link below is about $4 shipped. Any 16 x 2 LCD display with the same controller chip should work. Some are white letters on a dark background. The one we recommend here is black characters on a yellow backlighted panel.

 

Link

 

 

 

 

 

 

Edited: 4 months  ago

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