|
Fast delivery of FETs from China
Well that was a surprise! DHL just delivered a parcel of MRFE6S9160 LDMOS FETs and IRFPC50 MOSFETs which I ordered from UTSource on Monday night UK time and were despatched *YESTERDAY* from Shenzhen,
Well that was a surprise! DHL just delivered a parcel of MRFE6S9160 LDMOS FETs and IRFPC50 MOSFETs which I ordered from UTSource on Monday night UK time and were despatched *YESTERDAY* from Shenzhen,
|
By Neil Smith G4DBN
·
|
|
News and Photos for DUBUS Microwave Europe column
The deadline for the next European Microwave News column is approaching. I would be very grateful for any news and photos to include - it all seems to have been rather quiet of late. Items for inclusi
The deadline for the next European Microwave News column is approaching. I would be very grateful for any news and photos to include - it all seems to have been rather quiet of late. Items for inclusi
|
By John Quarmby
·
|
|
Semiconductor switch. 28 messages
All, I just paid a UK supplier £5.99 Chinese made unfortunately, but needs must) for the following pack of two: High Power DC 5V-36V 15A 400W MOSFET Trigger Switch Drive Module ( 133549042395 ) Pack o
All, I just paid a UK supplier £5.99 Chinese made unfortunately, but needs must) for the following pack of two: High Power DC 5V-36V 15A 400W MOSFET Trigger Switch Drive Module ( 133549042395 ) Pack o
|
By Colin Ranson
·
|
|
Eltek Flatpack2 Touchscreen Controller Kit
Hi all, Seeing all the discussion about using the ELTEK's I remembered that one of our VK chaps has made a nice touch screen controller. You can see that here... https://vk4ghz.com/product/eltek-flatp
Hi all, Seeing all the discussion about using the ELTEK's I remembered that one of our VK chaps has made a nice touch screen controller. You can see that here... https://vk4ghz.com/product/eltek-flatp
|
By Tim, VK2XAX
·
|
|
Wideband 70cms racket 8 messages
This spread spectrum racket has appeared today from 433.0 to 434.7 - you can see the usual keyfobs at 433.92. Anyone recognise this? - Phil G3YPQ
This spread spectrum racket has appeared today from 433.0 to 434.7 - you can see the usual keyfobs at 433.92. Anyone recognise this? - Phil G3YPQ
|
By Phil Williams
·
|
|
Bert Modderman PE1RKI 2 messages
Has anybody reading had contact with Bert recently? I placed an order before Christmas and paid by Paypal the amount Bert asked for. I have had no confirmation that he has received payment etc. Today,
Has anybody reading had contact with Bert recently? I placed an order before Christmas and paid by Paypal the amount Bert asked for. I have had no confirmation that he has received payment etc. Today,
|
By david656179
·
|
|
January SHF UKAC 18 messages
I'll attempt 3cm and 6cm SSB from home, for the January SHF UKAC. Will have KST, Zello and 144.390MHz SSB. Not holding out for many QSO's, but we shall see. Hopefully the snow will have melted by then
I'll attempt 3cm and 6cm SSB from home, for the January SHF UKAC. Will have KST, Zello and 144.390MHz SSB. Not holding out for many QSO's, but we shall see. Hopefully the snow will have melted by then
|
By G1DFL
·
|
|
ADF4351 Output power 2 messages
Last night i discovered that all of my ADF4351 boards have their outputs returned to supply volts via a 50R resistor, i suppose to make one size fit all needs and if you want you can change it. Not ha
Last night i discovered that all of my ADF4351 boards have their outputs returned to supply volts via a 50R resistor, i suppose to make one size fit all needs and if you want you can change it. Not ha
|
By geoffrey pike
·
|
|
Eltek Flatpack2 PSU 3KW set to 48V or whatever you want
Brand new supply as marked if anyone is interested bought for sspa and never used Mike GD6ICR IO74PF73TW
Brand new supply as marked if anyone is interested bought for sspa and never used Mike GD6ICR IO74PF73TW
|
By Mike GD6ICR
·
|
|
Jan SHF
Quite a poor night here. Many thanks to those who actually replied to my meeps, nice to work you and sorry for ones we did not complete, mainly northerly, a bad direction for me. Had to resort to CW w
Quite a poor night here. Many thanks to those who actually replied to my meeps, nice to work you and sorry for ones we did not complete, mainly northerly, a bad direction for me. Had to resort to CW w
|
By militaryoperator
·
|
|
HP141 4 messages
Hi guys Im looking for some help regarding the HP141 spectrum analyser and thought the best place to look for some help is here. There is a cable (08443-60009) required to inter-connect the 8443A to t
Hi guys Im looking for some help regarding the HP141 spectrum analyser and thought the best place to look for some help is here. There is a cable (08443-60009) required to inter-connect the 8443A to t
|
By Chris Ruddy MM0KOS
·
|
|
locked
the joys 25 messages
Brexit parcel price shock: 'I had to pay £30 for a gift' Brexit parcel price shock: 'I had to pay £30 for a gift' It's not just shoppers facing surprise costs when EU parcels arrive, but what is behin
Brexit parcel price shock: 'I had to pay £30 for a gift' Brexit parcel price shock: 'I had to pay £30 for a gift' It's not just shoppers facing surprise costs when EU parcels arrive, but what is behin
|
By geoffrey pike
·
|
|
Cherokee Europe 680W 50V PSU connections 4 messages
I have one of these PSUs type PE2114/242. I think it came with a 13cm PA purchase. Googling found another type number of NTQA91HA which seems to be Nortel, pehaps this is an equivalent. Seems to be fo
I have one of these PSUs type PE2114/242. I think it came with a 13cm PA purchase. Googling found another type number of NTQA91HA which seems to be Nortel, pehaps this is an equivalent. Seems to be fo
|
By neil whiting
·
|
|
Gap Waveguides 3 messages
I don't believe gap WGs will have much application in amateur microwaves unless low-cost micromachining becomes available. What is attractive and not currently used in any amateur designs AFAIK is 'Su
I don't believe gap WGs will have much application in amateur microwaves unless low-cost micromachining becomes available. What is attractive and not currently used in any amateur designs AFAIK is 'Su
|
By Chris Bartram G4DGU
·
|
|
ERA-02 as a multiplier 10 messages
Does anyone have experience of using the ERA-02 as a tripler from around 3.5 GHz to around 10.5 GHz? I know they work in triplers up to 3 GHz, but I was wondering whether they have a respectable perfo
Does anyone have experience of using the ERA-02 as a tripler from around 3.5 GHz to around 10.5 GHz? I know they work in triplers up to 3 GHz, but I was wondering whether they have a respectable perfo
|
By Greg - ZL3IX
·
|
|
Are LEDs a noise source 27 messages
I have just built a G4DDK PGA-103 preamp to use for ADSB receive on 1090MHz. The preamp will be mounted up on a pole, directly underneath a PCB antenna, in a plastic tube. I feed 12V up to the preamp
I have just built a G4DDK PGA-103 preamp to use for ADSB receive on 1090MHz. The preamp will be mounted up on a pole, directly underneath a PCB antenna, in a plastic tube. I feed 12V up to the preamp
|
By G8ZHA
·
|
|
cling film? 7 messages
As my uw antennas are all temporary, ie I put then up and down only when needed, akin to portable op's but from the home qth, I noticed after the last 23cm use which was in the rain here, got soaked i
As my uw antennas are all temporary, ie I put then up and down only when needed, akin to portable op's but from the home qth, I noticed after the last 23cm use which was in the rain here, got soaked i
|
By militaryoperator
·
|
|
Snow Scatter 11 messages
A large band of snow cloud heading East from this QTH is producing SS from SEE and PKT . 73 John G0API
A large band of snow cloud heading East from this QTH is producing SS from SEE and PKT . 73 John G0API
|
By John Fell
·
|
|
RGW & GGW 2 messages
I've recently been made aware of substrateless ridge gap waveguide (RGW) and groove gap waveguide (GGW) after reading the publication of "Substrate-less Oscillator Module Realized by Gap Waveguide Tec
I've recently been made aware of substrateless ridge gap waveguide (RGW) and groove gap waveguide (GGW) after reading the publication of "Substrate-less Oscillator Module Realized by Gap Waveguide Tec
|
By Ethan Waldo
·
|
|
Whitebox Oscillator Diode Replacement. 2 messages
I recently bought a whitebox system which arrived in a very poor state. The oscillator 1st stage had several burnt out resistors and the 2nd stage transformer was shorted. All these easily fixed. But
I recently bought a whitebox system which arrived in a very poor state. The oscillator 1st stage had several burnt out resistors and the 2nd stage transformer was shorted. All these easily fixed. But
|
By Mark - M1MPW
·
|