Cq Bitx Site

Hi all Bitx Version 3 enthusiast and kit builders.  It has been now quite a long journey since 2002 when the Cq Bitx Blog was published. The Moto was to provide update on activities of the Bitx Version 3 Kit and start providing PCB and Coils for the Bitx.

The aim has been achieved quite satisfactorily as close to one thousand Bitx Pcb and Kits have been shipped to members from this site and my Ebay shop.

I do agree my site is a bit difficult to navigate and at times confusing.There are many reasons for this. First of all I am not a good website developer, hi hi.    Secondly many kits I introduced found a way on cqbitx blog, because most of the kits are add one for Bitx, but some kits are quite different from the Bitx, like the Bingo or Avala.   But most of my old customers do know that I sell all these also. New persons on my site are sometimes confused to see so many different items and I do agree.

I will be improving on this site to make it better for navigation .  I would invite feedback so that I could know
what is required from my end to make this site better for a new person looking for info on Bitx .

Best of 73's 

Donate Bitx Project

The success Bitx has had as a QRP TCVR  is just amazing. Radio Amateurs spanning the Globe
have made a Bitx .  Many students have made it as a Engineering College Project.

The simple and innovative design makes the Bitx the best choice for a kit build project.
The Bitx Group on Yahoo has been a great help for the Bitx builders. With a fantastic support
and with new ideas and and solutions the Bitx has emerged as a winner.

We have launched a Donate Bitx Project.   We invite you to use the Button Donate Bitx Kit with a minimum
of 11 Euros.
The Donation is done on the Ubiee Platform where we have an account.
The cause of Bitx is associated with Ubiee Plans for a Cleaner and Greener Earth.

We will look for people who really are in need of a equipment . Please so not send any request for a free kit as this is not appreciated. We only Donate a kit to the out most needy HAM, and not to people who can afford it.  This project is for people who are Radio Amateurs and who may be disabled and poor to afford a kit.

What ever contributions come through the project will only be given as Donation.

Connecting Bitx VFO with FLL

Here are the details for connecting the Bitx VFO  with the FLL

Kindly Note that you can just remove the Vfo coil and tunning capacitor in Bitx Vfo, if you are using the FLL VFO.

Connecting Bitx With DDS

Om Tony Fletcher has sent in details of connecting the DDS with Bitx.
Thanks Tony!  As Tony is using the DDS with the Bitx, he has found it working 100% Ok

BItx Complete Kit & Case

  COMMING UP!

BITX VERSION 3 TCVR KIT WITH CASE

Complete Kit with LCD Frequency Counter -Components and Case

About Bitx

Bitx is an easily assembled ssb transceiver for all bands and for the Amateur Radio Operator-Hams, with very clean performance.Hams can home-brew the QRP TCVR by Using ordinary electronic components.



                                        Bitx Components

                              Bitx Connectors and heat sinks

                                              Bitx Coils

                                                                  Bitx Front View

                                                                 Bitx Rare View

                                           Bitx Side  View

                                                          Bitx Case Inside View

                                                           Bitx Case

Size :
Length 9.5 Inches
Width 8.5  Inches
Height 4    Inches

LIST Of Parts With Bitx Case

2 10K POTS
2 100K POTS
MIC CONNECTOR MALE
FEMALE HEAD PHONE JACK
CHROME LED HLODERS
RIT SWITCH
4 SMALL KNOBS & 1 LARGE ONE
SPEAKER
POWER SWITCH
FUSE HOLDER

LIST OF COMPONENST FOR BITX KIT

CAPACITORS
0.001u 2
0.1u 44
100p 3
10p 2
15p 2
2.2p 2
220p 5
560p 3
39p 3
elec 1u 2
elec 50u 6
elec 220uf 2
elec 2200uf 50v 2
var 22p 3
var50pf 1

RESISTORS 1/4W
6.2 1
10 9
22 3
56 1
100 13
220 14
470 3
47K 1
10k 4
120k 2
1k 14
220k 1
2k2 11
4k7 3 1
lin 10k 2

XTAL
10MHz 5

TRANSISTOR
2N3904 14

IRF510 1
2N2219 1

IC
LM386-N1 1

DIODES
zener 36V 1
zener 9.1V 1
zener 5.6V 1
1N4148 13

TRANSFORMERS
INDUCTORS

T37-6 3
T37-43 7
Ferrite Beads 1
Band Pass Coils 3 Metal 2 extra sent for using as cover in mixer and BM

OTHER
Microphone 1
Loudspeaker 8ohm 1
Relay 12V 3 vie

Complete Parts for a Frequecy Counter IK3OIL FLL

With LCD .Pic 16f628 And Parts

FLL FReq counter

YOU GET PARTS AND PCB FOR FRQ COUNTER

 

                                                     The delivery time is 7 to 10 days


                 The Complete Kit is sent by Registered Parcel By

                                   Indian Postal Services

Bitx In Japan & Brazil

In the last two months there was a lot of interest developed by Japanese Hams for the Bitx Version 3 Kit, and a few kits were shipped. I would be anxious to have any updates and post them on CQ BITX
Our friend from Brazil Om Celso is a very keen home brewer and has already started his Bitx. I congratulate PY2FDX Celso from Brazil and posting some pictures which he has been kind in sending.

15 Watts With Bitx Vr 3 Linear

Om Farhan had posted some interesting details on increasing the power output in the
Linear of Bitx Version 3. More info can be found out by viewing post on 15 watts linear
in Yahoo Bitx forum.

The present mod is very simple and with a 12 V battery that is effectively 13.5 volts
would give a output of 15 watts. With a 24 V DC supply the output may be higher .
The circuit with mods is being published here for Bitx members.

Kindly make the mods and give your feedback.