#PSU

Release of version 1.2 of ABS solution for QMX+ (Automatic internal antenna tuner, internal battery and internal speaker with audio amp) 12 повідомлення
To all who are asking about being part of a new group buy of the ABS add-on for the QMX+: Cal and I have you on our list for a potential new group buy of the ABS boards and components. Sorry for the d
Від Stan Dye ·
Update on ABS for QMX+ (Automatic internal antenna tuner, battery and speaker) 2 повідомлення
Correction: The voltage drop in to be released Companion Board v1.3 does not exceed 0.3V. -- 73, Sardar (AC8L, 4K6SA, VA3DUA).
Від Sardar (AC8L) ·
QMX 5V SMPS Smoking 2 повідомлення
On Mon, Dec 2, 2024 at 10:42 AM, Hudson Spillers KL4LJ wrote: disconnecting the 5v SMPS board and powering up the QMX without it Hudson, no switch on without the 5V SMPS board (see schematics page 1 a
Від @Ludwig_DH8WN ·
ABS for QMX+. Battery/charger design improvements over version 1.1 67 повідомлення
Sardar, Dirk, I'm planning to order 5 rev. 1.3 Companion boards today so Stan and I can evaluate them. We think it's worthwhile to delay the big group buy so builders will not need to add large wires
Від Cal (AD8Q) ·
QMX+ABS field tests
For the past two days I have been on the air as VA3DUA on a beautiful Canadian weather (2C/34F) from Toronto. QMX+ and ABS v1.1-beta (ATU Board v1.1, Companion Board v1.2). ATU tunes as expected, batt
Від Sardar (AC8L) ·
ABS for QMX+. Battery/charger design improvements over version 1.1
Hi Dave, somehow your post created a new thread with identical title, maybe this one can be deleted? I answered your initial question in the main thread. KR Dirk
Від Dirk ·
Linear bench PSU 11 повідомлення
This is what I settled on from Circuit Specialists. https://www.circuitspecialists.com/bench-power-supply-csi1802x It seems by appearance to be the same as one offered by Amazon for a higher price. Bu
Від Jim VE4BWG ·