|
Mods for V6 - ATU,PA,LPF,SDR
#v6
#ubitx
#sdr
I just got the uBitx V6, added Nextion display tested it with external N7DDC ATU, made SSB and FT8 QSOs and already became enthusiastic :-) I have on my desk an assembled and tested "Chinese 70W PA ki
I just got the uBitx V6, added Nextion display tested it with external N7DDC ATU, made SSB and FT8 QSOs and already became enthusiastic :-) I have on my desk an assembled and tested "Chinese 70W PA ki
|
By
Zvi Segal
· #86103
·
|
|
uBitx v6 linear amp
#ubitx
TD, I bought a DIY 70Watt amp on eBay. I have had a number of issues, so do not recommend it. I have since gone into other things, so have not gone back to find a good amp. Sorry I can only provide th
TD, I bought a DIY 70Watt amp on eBay. I have had a number of issues, so do not recommend it. I have since gone into other things, so have not gone back to find a good amp. Sorry I can only provide th
|
By
Evan Hand
· #85868
·
|
|
uBitx v6 linear amp
#ubitx
The hfpacker amp is well regarded and well supported. https://groups.io/g/hfprojects/messages?expanded=1 It is also quite a bit more expensive than the ebay kits. Many people have trouble getting the
The hfpacker amp is well regarded and well supported. https://groups.io/g/hfprojects/messages?expanded=1 It is also quite a bit more expensive than the ebay kits. Many people have trouble getting the
|
By
Jerry Gaffke
· #85866
·
|
|
uBitx v6 linear amp
#ubitx
hello all, I have an uBITX v4, I didn't mount the microphone connector, and it's QRP. Interesting the option of installing a PA at the exit, as it is sometimes necessary to use it. Do not forget to us
hello all, I have an uBITX v4, I didn't mount the microphone connector, and it's QRP. Interesting the option of installing a PA at the exit, as it is sometimes necessary to use it. Do not forget to us
|
By
Rubens Kamimura
· #85863
·
|
|
uBitx v6 linear amp
#ubitx
Just snoop on Ebay. Granted you'll need to add filtering, be cautious setting bias voltages, and add a heat sink... but that's what makes it fun!
Just snoop on Ebay. Granted you'll need to add filtering, be cautious setting bias voltages, and add a heat sink... but that's what makes it fun!
|
By
Viktors Miske
· #85862
·
|
|
uBitx v6 linear amp
#ubitx
Anyone?
By
TD
· #85860
·
|
|
uBitx v6 linear amp
#ubitx
I have the uBitx v6 and would like to add a linear amplifier for voice/phone operation. Can you guys recommend either a kit or assembled amplifier? Thanks TD
I have the uBitx v6 and would like to add a linear amplifier for voice/phone operation. Can you guys recommend either a kit or assembled amplifier? Thanks TD
|
By
TD
· #85822
·
|
|
uBitx v4 Component Values D15 and D16
#ubitx
#ubitx-help
#v4
Congraturation -- 73's PY2PVB Em qua., 13 de jan. de 2021 às 11:39, Gary.ingle via groups.io <Gary.ingle@...> escreveu:
Congraturation -- 73's PY2PVB Em qua., 13 de jan. de 2021 às 11:39, Gary.ingle via groups.io <Gary.ingle@...> escreveu:
|
By
Rubens Kamimura
· #85358
·
|
|
uBitx v4 Component Values D15 and D16
#ubitx
#ubitx-help
#v4
Repair done with 1N4148 and working. Thank you ALL
Repair done with 1N4148 and working. Thank you ALL
|
By
Gary.ingle@...
· #85357
·
|
|
static/hash noise from AGC board
#ubitxv6
#ubitx
Did you try a capacitor on the pcb across the leads leading to the meter? Try a 100nf
Did you try a capacitor on the pcb across the leads leading to the meter? Try a 100nf
|
By
Lawrence Galea
· #85326
·
|
|
uBitx v4 Component Values D15 and D16
#ubitx
#ubitx-help
#v4
1N4148 W, This diode is a signal, very common. -- 73's PY2PVB Rubens Kamimura Técnico em Eletrônica e Eletrotécnica - Aposentado CFT/CRT-SP: 80254934820 Cel. +55 (18) 9-9819-2225 WhatsApp Em ter., 12
1N4148 W, This diode is a signal, very common. -- 73's PY2PVB Rubens Kamimura Técnico em Eletrônica e Eletrotécnica - Aposentado CFT/CRT-SP: 80254934820 Cel. +55 (18) 9-9819-2225 WhatsApp Em ter., 12
|
By
Rubens Kamimura
· #85322
·
|
|
uBitx v4 Component Values D15 and D16
#ubitx
#ubitx-help
#v4
Gary, aqui no meu desenho consta como: Here in my drawing it appears as: 1N4148W -- 73's PY2PVB Rubens Kamimura Técnico em Eletrônica e Eletrotécnica - Aposentado CFT/CRT-SP: 80254934820 Cel. +55 (18)
Gary, aqui no meu desenho consta como: Here in my drawing it appears as: 1N4148W -- 73's PY2PVB Rubens Kamimura Técnico em Eletrônica e Eletrotécnica - Aposentado CFT/CRT-SP: 80254934820 Cel. +55 (18)
|
By
Rubens Kamimura
· #85321
·
|
|
uBitx v4 Component Values D15 and D16
#ubitx
#ubitx-help
#v4
If the marking is T4 then it is 1N4148! Raj
If the marking is T4 then it is 1N4148! Raj
|
By
Raj vu2zap
· #85320
·
|
|
uBitx v4 Component Values D15 and D16
#ubitx
#ubitx-help
#v4
Thank you for your quick assistance
Thank you for your quick assistance
|
By
Gary.ingle@...
· #85319
·
|
|
uBitx v4 Component Values D15 and D16
#ubitx
#ubitx-help
#v4
1N4148 should be fine! Raj
1N4148 should be fine! Raj
|
By
Raj vu2zap
· #85318
·
|
|
uBitx v4 Component Values D15 and D16
#ubitx
#ubitx-help
#v4
Hi All While performing a mod on my uBitx v4 I have heat damaged 2 surface mount diodes D15 and D15. I want to replace them but cannot find the component values. On the Schematic it does not state the
Hi All While performing a mod on my uBitx v4 I have heat damaged 2 surface mount diodes D15 and D15. I want to replace them but cannot find the component values. On the Schematic it does not state the
|
By
Gary.ingle@...
· #85317
·
|
|
static/hash noise from AGC board
#ubitxv6
#ubitx
Thanks, I'll give that a try. I appreciate your feedback. Loren
Thanks, I'll give that a try. I appreciate your feedback. Loren
|
By
Loren
· #85314
·
|
|
Calibration - my approach
#ubitx
Hi Dave, On which version of ubitx did you generate your default settings? 73s Jack 2E0GDV
Hi Dave, On which version of ubitx did you generate your default settings? 73s Jack 2E0GDV
|
By
Jack Hunt
· #85309
·
|
|
static/hash noise from AGC board
#ubitxv6
#ubitx
Afternoon Loren! So the S-Meter Tap on this AGC design is also the drive for the MOSFET bias that controls the AGC action. Odds are the analogue meter is just drawing to much current. If you can setup
Afternoon Loren! So the S-Meter Tap on this AGC design is also the drive for the MOSFET bias that controls the AGC action. Odds are the analogue meter is just drawing to much current. If you can setup
|
By
KE2GKB
· #85305
·
|
|
static/hash noise from AGC board
#ubitxv6
#ubitx
It's an old Micronta with D'Arsonval movement with it's regular leads.
It's an old Micronta with D'Arsonval movement with it's regular leads.
|
By
Loren
· #85304
·
|