Repair technician’s hat again. Today a 10GHz PA for tropo and RS.
#RFporn #GHz_bands #hamradio https://t.co/dN4ZLdf41Y
Author Archives: eb3frn
After 24 years I’ve a SGI Indy at home again! ☺️ It is one of the most pretty computer ever made, I love it! 😍 https://t.co/GEBNS3tv2C
After 24 years I’ve a SGI Indy at home again! ☺️
It is one of the most pretty computer ever made, I love it! 😍 https://t.co/GEBNS3tv2C
Today repair guy hat. After recap my @Keysight DC power supply, the issue was in a faulty rectifier. Tnx @ea4eoz fo… https://t.co/zMb66YphBv
Today repair guy hat. After recap my @Keysight DC power supply, the issue was in a faulty rectifier. Tnx @ea4eoz fo… https://t.co/zMb66YphBv
New restauration project! I hope adapt all my transverters to use this nice dish in 10, 24, 47 and 76GHz.… https://t.co/6mGuYXDctu
New restauration project! I hope adapt all my transverters to use this nice dish in 10, 24, 47 and 76GHz.… https://t.co/6mGuYXDctu
Characterizing of multilayer FR4 coplanar transmission line, OK up to 3GHz the limit maybe 5GHz… not bad for a 3euros PCB. https://t.co/4qPyZqL3S9
Characterizing of multilayer FR4 coplanar transmission line, OK up to 3GHz the limit maybe 5GHz… not bad for a 3… https://t.co/4qPyZqL3S9
The wire bonding learning continues! This is the 1st test with the new 8mil gold wire. Now I can get more short bondings.https://t.co/iQYbR4KOLh
The wire bonding learning continues! This is the 1st test with the new 8mil gold wire. Now I can get more short bon… https://t.co/iQYbR4KOLh
Big fail, the die is mounted upside down! I’ve confused the input with the output 😅😅😅 The die is a AMMC-5040 GaAs a… https://t.co/EcnobTQYfo
Big fail, the die is mounted upside down! I’ve confused the input with the output 😅😅😅 The die is a AMMC-5040 GaAs a… https://t.co/EcnobTQYfo
Wirebonding demo at home to Jaume @ea3ne and Jose @ea3hmj very happy to meet-it again after a lot of months of conf… https://t.co/hj5HEJ1VnG
Wirebonding demo at home to Jaume @ea3ne and Jose @ea3hmj very happy to meet-it again after a lot of months of conf… https://t.co/hj5HEJ1VnG
The mesh dish used to receive the video downlink from Falcon9, it is a old Stella Doradus WI-FI antenna. The next i… https://t.co/nlOyjgMW2e
The mesh dish used to receive the video downlink from Falcon9, it is a old Stella Doradus WI-FI antenna. The next i… https://t.co/nlOyjgMW2e
RX of Falcon9 video downlink, just after the launch when passing over Europe. Very good signal at 2272.5 using a 1m… https://t.co/iah9J1YedE
RX of Falcon9 video downlink, just after the launch when passing over Europe. Very good signal at 2272.5 using a 1m
Falcon9 Signals in S-band succefully received. Now looking to decode and get the video downlink🙈 @uhf_satcom @r2x0t https://t.co/wRya43vhOz
Falcon9 Signals in S-band succefully received. Now looking to decode and get the video downlink🙈 @uhf_satcom @r2x0t https://t.co/wRya43vhOz
New antennas for VHF and UHF to track LEO sats, in few days I ill put a dish for L and S band. #hamradio #satellite https://t.co/D1g6x0MxJu
New antennas for VHF and UHF to track LEO sats, in few days I ill put a dish for L and S band. #hamradio #satellite https://t.co/D1g6x0MxJu
This weekend sanitise and repair of a 47GHz @Kuhneelectronic amplifier. The epoxy is corrupted and has damaged the… https://t.co/cNXBsI8Qk0
This weekend sanitise and repair of a 47GHz @Kuhneelectronic amplifier. The epoxy is corrupted and has damaged the… https://t.co/cNXBsI8Qk0
How large is a microstrip probe for X-band compared with one for 47GHz! #ghz_bands #amateurDSN #hamradio https://t.co/FFFhJXqwWR
How large is a microstrip probe for X-band compared with one for 47GHz! #ghz_bands #amateurDSN #hamradio https://t.co/FFFhJXqwWR
Chang’e 5 space probe in 8471.220MHz and Zoom videocall sharing the RX and info with some gangs. TNX @uhf_satcom… https://t.co/cBYOZwv97S
Chang’e 5 space probe in 8471.220MHz and Zoom videocall sharing the RX and info with some gangs. TNX @uhf_satcom… https://t.co/cBYOZwv97S
Amazing, welldone! 👏👏👏👏👍😍 https://t.co/RhUPSSozgp
Amazing, welldone! 👏👏👏👏👍😍 https://t.co/RhUPSSozgp
Epoxy die bonding, firsts tests. #GHz_bands #hamradio https://t.co/o0W3E4LhOx
Epoxy die bonding, firsts tests. #GHz_bands #hamradio https://t.co/o0W3E4LhOx
New epoxy die bonding machine in the lab. I will not use tweezers anymore! 😂😂😂🤣 https://t.co/W2Gwb4Byp9
New epoxy die bonding machine in the lab. I will not use tweezers anymore! 😂😂😂🤣 https://t.co/W2Gwb4Byp9
Another big step for me. I’ve glued and wire-bonded a LPD200 it measures only 0.32×0.26mm! #ghz_bands #hamradio https://t.co/V6SdZZIniz
Another big step for me. I’ve glued and wire-bonded a LPD200 it measures only 0.32×0.26mm! #ghz_bands #hamradio https://t.co/V6SdZZIniz
The wirebonding learning continues, this is a uW amplifier mounted from scratch.🙈🙈 #rfporn #ghz_bands #amateurradio https://t.co/sMzkqHfDQZ
The wirebonding learning continues, this is a uW amplifier mounted from scratch.🙈🙈 #rfporn #ghz_bands #amateurradio https://t.co/sMzkqHfDQZ