What's on your Workbench?

[VK5ZD]

47GHz Transverter

Simple arrangement using an I3OPW mixer.

[VK5KK]

TNX for the 47 GHz "QSO" this evening, working well!

Cheers

David VK5KK

[VK5TX]

Where did you guys get the mixers?

Sent from my D5833 using Tapatalk

[VK5KK]

Hi Ben,

Just google "I3OPW" and go to the "47 GHz mixer", uses MA4E1318 Anti parallel diode usually -7dbm per sideband on 47 GHz output. Alternative if you like gluing diodes that are 0.6mm x 0.3mm to PCB's google 47 GHz & DL2AM

Cheers

David VK5KK

[VK5TX]

Cool. I looked at his sit but it didnt look like he was selling anything. Looks like I am moving back so I need to get the gear working again.

Sent from my D5833 using Tapatalk

[VK5KK]

You will find a link somewhere on the website (in Italian) for his price list, else I can email it to you

Cheers

David Vk5KK

[VK4UH]

Hand soldered smd construction slowly starting to improve

W6PQL latching coax relay driver controller

[VK5ZD]

47GHz.jpg

Simple arrangement using an I3OPW mixer.

First distance test successful - 32km contact with Dave, VK5KK.

[VK5KK]

Very good signals on 47 GHz from Iain over 32 km, interestingly when a heavy rain band went between us nearly -20 db drop in signals but still readable!

The two 47 GHz systems, BTW the system on the right is the 10 GHz EME system. 3 initials yesterday on 10 GHz JT4f EME (G3WDG, OK1KIR & OZ1LPR)

Cheers

David VK5KK

[VK3MEG]

The two 47 GHz systems, BTW the system on the right is the 10 GHz EME system. 3 initials yesterday on 10 GHz JT4f EME (G3WDG, OK1KIR & OZ1LPR)

WOW David awesome work

[VK3ZAZ]

Now this is a work bench/shop

if you are up to it John Goodalls bench should produce some MFJunk all for auction this Sunday
AR7 AR88 BC348 BTM BC etc
To see what is there go to:

https://www.dropbox.com/sh/hgstbdq6w94e ... 8a5Ea?dl=0

[VK3ALB]

Now this is a work bnech

if you are up to it John Goodalls bench should produce some MFJunk all for auction this Sunday
AR7 AR88 BC348 BTM BC etc
To see what is there go to:

https://www.dropbox.com/sh/hgstbdq6w94e ... 8a5Ea?dl=0

Where is there?

[VK3YE]

Where is there?

Maybe one needs ESP to work it out? However if the seller is an amateur the ACMA database may give a clue - in VK2?

[VK5TX]

Just abit of plumbing. Plaining to make a penny feed on 10Ghz for 400mm dish

[VK5ZD]

Just abit of plumbing. Plaining to make a penny feed on 10Ghz for 400mm dish

Your workbench is clean, too clean.....

PS: A 20c piece works for the feed.

[VK5TX]

Got any ideas / photos of how to attach the feed to these dishes

[VK3YE]

The effect of adding a 1 transistor Q-multiplier to a crystal set.

https://www.youtube.com/watch?v=4ix5gNrJy2E

[VK5TX]

Tuning up the PA stage in my back pack VK3XDK 23cm transverter

[VK5ZD]

Gathering parts for a 122GHz transverter.

[VK5KK]

The other end of the spectrum ... I finally found a morse key small enough to fit in the portable rucksack