|
Shit stinks.
One of the poorest moderaterated forums I've ever seen. No need to reply, I'm gone.
One of the poorest moderaterated forums I've ever seen. No need to reply, I'm gone.
|
By
...
· #44283
·
|
|
Off-on switches
Something along this line? https://smile.amazon.com/WGCD-SPDT-Momentary-Button-Switch/dp/B07D1HSN56
Something along this line? https://smile.amazon.com/WGCD-SPDT-Momentary-Button-Switch/dp/B07D1HSN56
|
By
...
· #43776
·
|
|
Dealing with QRP Lab 12 volt Coaxial Connectors
Sounds better than Auxilliary Power Plug.
Sounds better than Auxilliary Power Plug.
|
By
...
· #43463
·
|
|
Polyphase RX kit: No output if USB or LSB selected
This is more on the theory of polyphase networks. http://antennoloog.nl/polyphase-networks/ 73 de LauritsF, NT1G
This is more on the theory of polyphase networks. http://antennoloog.nl/polyphase-networks/ 73 de LauritsF, NT1G
|
By
...
· #42194
·
|
|
MSF or DCF clock module instead of GPS
Pretty much self-explantory 1pps pluse generator from a single cell clock.
Pretty much self-explantory 1pps pluse generator from a single cell clock.
|
By
...
· #42013
·
|
|
50w amp... pse excuse my error
Modern lpfs on cqx 'softens' the square wave transmitted. The traditional lpf is much too high in cut off to prevent a 20 M signal from blasting 10m. If the amplifier is a 'linear amplifier'...it need
Modern lpfs on cqx 'softens' the square wave transmitted. The traditional lpf is much too high in cut off to prevent a 20 M signal from blasting 10m. If the amplifier is a 'linear amplifier'...it need
|
By
...
· #41891
·
|
|
50w amp
Traditional lpf were intended to limit TVI...on the transmit. Modern lpfs are used to limit the RF into SDR rxes.
Traditional lpf were intended to limit TVI...on the transmit. Modern lpfs are used to limit the RF into SDR rxes.
|
By
...
· #41889
·
|
|
50w amp ferrite
Won't you have to evaluate the harmonics on 80M to evaluate a 160M lpf/ toroids? 73 de NT1G Merry New Year!
Won't you have to evaluate the harmonics on 80M to evaluate a 160M lpf/ toroids? 73 de NT1G Merry New Year!
|
By
...
· #41713
·
|
|
Feedback limiting Protection Circuit
Ever consider putting AIRBAGS on a motorcycle? Just a thought? Merry New Year!
Ever consider putting AIRBAGS on a motorcycle? Just a thought? Merry New Year!
|
By
...
· #41661
·
|
|
LC-100 L and C meter
I think IF you are just testing inductors or caps... this is what you can use. https://smile.amazon.com/KKmoon-Secohmmeter-Capacitance-Frequency-Inductance/dp/B082VBTM3H Looks indentical to my AADE l/
I think IF you are just testing inductors or caps... this is what you can use. https://smile.amazon.com/KKmoon-Secohmmeter-Capacitance-Frequency-Inductance/dp/B082VBTM3H Looks indentical to my AADE l/
|
By
...
· #41580
·
|
|
LC-100 L and C meter
What makes an AADE LC 'display' better than the ones available today? Soldering/assembly skills? Single point failure? 73 de SkipF, NT1G HO! HO! HO!
What makes an AADE LC 'display' better than the ones available today? Soldering/assembly skills? Single point failure? 73 de SkipF, NT1G HO! HO! HO!
|
By
...
· #41575
·
|
|
New kit: 50W PA for QCX
Thanks! It's now time for me to wind my 'smart watches'; pair of seiko 4R36s. No battery included. Skip, NT1G and a Century22 (still)
Thanks! It's now time for me to wind my 'smart watches'; pair of seiko 4R36s. No battery included. Skip, NT1G and a Century22 (still)
|
By
...
· #41324
·
|
|
New kit: 50W PA for QCX
Oh, yes...and I'm also working with the CORDIC algorithm... AKA the slipstick killer.
Oh, yes...and I'm also working with the CORDIC algorithm... AKA the slipstick killer.
|
By
...
· #41310
·
|
|
New kit: 50W PA for QCX
I've learned it's easier to apologize for any spelling error than it is to fight with a spell checker. And I can still use a dictionary, straight key and sextant. 73 de NT1G
I've learned it's easier to apologize for any spelling error than it is to fight with a spell checker. And I can still use a dictionary, straight key and sextant. 73 de NT1G
|
By
...
· #41306
·
|
|
50 watt PA @20 VDC Power Supply
#pa
I'm using an HP laptop supply to run a 50+50W Bluetooth AUDIO AMP board I bought from 'amazon' for $13. The speakers on my 'tablet' aren't 'hifi' and this board has four screw terminals for 2 speakers
I'm using an HP laptop supply to run a 50+50W Bluetooth AUDIO AMP board I bought from 'amazon' for $13. The speakers on my 'tablet' aren't 'hifi' and this board has four screw terminals for 2 speakers
|
By
...
· #41263
·
|
|
Quadrature modulation: The signal behind digital communications | EDN
https://www.edn.com/electronics-blogs/fun-with-fundamentals/4462467/Quadrature-modulation--The-signal-behind-digital-communications
https://www.edn.com/electronics-blogs/fun-with-fundamentals/4462467/Quadrature-modulation--The-signal-behind-digital-communications
|
By
...
· #41212
·
|
|
Low pass filters
Another list member (me!) want to know...do you have any inductance meter or bridge? I takes a lot of guessing (and doubting) out of the picture. Skip Flem, NT1G Boston-ish
Another list member (me!) want to know...do you have any inductance meter or bridge? I takes a lot of guessing (and doubting) out of the picture. Skip Flem, NT1G Boston-ish
|
By
...
· #41204
·
|
|
yahoo group changes
QRPLABS is NOT a YAHOO group.. It's like driving a Mercedes and Chevrolet says they are dropping your warrentee. Whoop Dee Doo.
QRPLABS is NOT a YAHOO group.. It's like driving a Mercedes and Chevrolet says they are dropping your warrentee. Whoop Dee Doo.
|
By
...
· #41146
·
|
|
New qcx build, and problems
Great news. I have several spools of 'Phelps Dodge' copper products. All HAPTZ (the good stuff). Where did you buy this colored wire? THANKS for the info.
Great news. I have several spools of 'Phelps Dodge' copper products. All HAPTZ (the good stuff). Where did you buy this colored wire? THANKS for the info.
|
By
...
· #41128
·
|
|
New qcx build, and problems
Never seen magnet wire available by color... Perhaps a task for a 'sharpie' marker?
Never seen magnet wire available by color... Perhaps a task for a 'sharpie' marker?
|
By
...
· #41125
·
|