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Re: GLG1 tape?
Cory KD9INL wrote... Thanks for your reply, but I wasn't referring to what I assume is double-sided tape on the patch antenna. The clear tape I'm asking about is is the RF Module YIC51612. PS - your
By Keith VE7GDH · #19145 ·
Re: GLG1 tape?
Hi Keith The reason for the tape is that it provides some additional protection during shipping - both the bulk shipment from the manufacturer to the warehouse, and from the warehouse to you. What
By Hans Summers · #19144 ·
Re: GLG1 tape?
Bob ZL1RS wrote... Yes, that is the RF Module that I'm referring to.I have two GLG1 GPS receivers. Both had some clear tape over the YIC51612 RF Modules. I was just curious what reason was. See
By Keith VE7GDH · #19143 ·
Re: Overhauling my first and second U3s. PA bias and power output with (3) BS170 transistors question(s)
Answering my own question. Set the bias per the manual. The high setting for PA voltage is a little over 7V. I could go higher but it's a weak signal beacon not VOA. The OCXO wasn't drifting because
By Michael Lloyd · #19142 ·
Overhauling my first and second U3s. PA bias and power output with (3) BS170 transistors question(s)
I've had the U3s on the left in the photo below for quite a while (at one time it had the relay board installed). It was my first one and I bought the OCXO version. The first time that I put the
By Michael Lloyd · #19141 ·
Re: GLG1 tape?
Mechanical rigidity, so the patch antenna isn't held to the board just by the center pin. [email protected]> wrote:
By Cory Clemmer · #19140 ·
Re: GLG1 tape?
On 6/12/2017 1:50 PM, Keith VE7GDH wrote: Does anyone know if there’s any special reason why there is tape on the GPS module in the GLG1? TIA. ... on the GPS
By Bob ZL1RS · #19139 ·
GLG1 tape?
Does anyone know if there’s any special reason why there is tape on the GPS module in the GLG1? TIA. -- 73 Keith VE7GDH
By Keith VE7GDH · #19138 ·
Re: Heat sink for Q1-3, non metal case
Have a look here: https://www.qrp-labs.com/ultimate3/u3mods.html Item 13, shows a nice heat sink solution... Use heasink plaster (glue) to stick the mosfets into the hoel. Nick.
By Nick VK4PP · #19137 ·
Re: Heat sink for Q1-3, non metal case
Have you considered using metallic copper tape? It’s very adhesive and conducts well.
By Guy N7BIR <sgbridge@...> · #19136 ·
Re: QCX Build in a ALU case
Now I was contemplating building one of the QRP Guys paddles for the KX3 and modding it to fit into and on top of the key jack on the right... Or just building a DIY paddle from some double sided
By Nick VK4PP · #19135 ·
Re: QCX, 20m Bandpass modified, T37-6 cores out of tolerance
Not knowing the origin of the cores in question that were reported to be out of tolerance, while waiting for my own QCX20 to ship (#2179), I got out my stock of cores.? All of mine were purchased
By Jim Sheldon · #19134 ·
Re: W9PDS - New U3 On the air.
Thanks for all the kind words folks. ? I added the relay board last night, and am now QRV on 20, 17, and 15 meters. ? The relay board is working great, and I am getting great performance on all
By Patrick Skerrett · #19133 ·
Re: low power for qcx
Ok Hans no worries I embedded in my coffet alu a small headphones of 25mm 24 ohms and it works very well sometimes I am obliged to lower the gain, for me it's perfect, thank you for this indication I
By Joel Fournol <f6cht@...> · #19132 ·
Re: Heat sink for Q1-3, non metal case
** Search "heatsink plaster" on eBay.
By TrueBlue · #19131 ·
Heat sink for Q1-3, non metal case
How can a heat sink be attached, glue? Bob KIOG? Sent from Yahoo Mail for iPhone
By Bob Cutter · #19130 ·
Re: QCX, 20m Bandpass modified, T37-6 cores out of tolerance
The document you refer to has different value caps and inductors, plus an extra Cap C4, so its not the same circuit. I think the number of turns being the same is a co-incidence. 73 Mike G0CVZ
By Mike Bowthorpe · #19129 ·
Re: Shipping update huge jump
Hi all Not all orders have been shipped out chronologically. I selected a block of 200 orders for my additional Tokyo helper to ship out, necessarily simpler orders for practical reasons (it's the
By Hans Summers · #19128 ·
Re: low power for qcx
OH! That's why my "normal" headphones have low(er) volume. Thanks for the info Hans. Very good to know. 73 NE5U Mike
By Michael Lloyd · #19127 ·
Re: low power for qcx
Hi Joel, all The question came up a few times. The LM4562 output of the QCX is designed for the usual 32-ohm type earphones that are ubiquitous everywhere from last year's smartphone etc. If people
By Hans Summers · #19126 ·