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Re: Gerber %ICAS% Command
Hi fellows,
At the beginning of the file, there are the so called "parameters", each began with % and ends with *%, like %FSLAX23Y23*% or %MOIN*%.
The %ICAS*% is probably a parameter too, but is not documented in any description what I have found till now. I made a...
gerber asaxby
Hi all,
Does any1 know what the %ICAS% command in the Gerber 274X files do?
I haven't found any relevant info in the RS274 specs about this command, also my internet search doesn't lead to any usable information.
Your info is welcomed.
regards,
Al
Re: TMS34010
Hi,
It is definitelly TMS34010 Grafic System Processor. I have to disassembe some old code, that is why I am lookong for some tools. I have not found at TI any usefull information.
Maybe one of you can found something in your old archives.
regards,
Al
Hi fellows,
I am looking for someone who can share his experience with the SV-2000 Visual Inspection Machine. It seems that the manufacturer (SIM Co., Ltd., Japan) is not anymore on the market (or at least I have no information about them).
I have the user manual only for the SV1100 model, and...
how to calculate impedance power meter
Hi,
You can use a slotted line tuner and a power meter at the output of your frequency translating DUT, and tune it for maximum output power. You have to do this at each frequency point which is of interest. After that you can connect the tuner to the VNA...
diy directional coupler
Hi Pit,
Check the links below:
hxxp://www.pollak.sulinet.hu/elektro/hidak/hidak.htm
hxxp://s53m.com/beacon/HA8ET%20merilni%20most.pdf
(replace xx with tt).
The GIE website is not alive anymore, if you need the articles, I will post them here
regards,
Al
Re: A/V tranmitter and receiver
The TDA8722 (also look for the TDA8822), has an output level about 70 dBuV (in a 75 ohm system, it is approx. -37 dBm). This is not too much if you want to transmit it over an antenna. The chip is suitable for (analog) AM modulation for the video carrier, and FM...
Re: Help! SMA connectors
Hi,
You can try some Johnson Components (www.johnsoncomponents.com) SMA end launchers for example :142-0701-851
Digikey partnumber J658-ND (www.digikey.com). You can buy even 4 pcs from them.
regards,
Al
ansoft bias tee design
Hi HOHOH,
For a wide band inpedance match you need a Minimum Loss Pad, which has an acceptable return loss on both (50 and 75 ohm) ports. These devices has a typical insertion loss of 5.7 dB. There are Minicircuits coaxial devices (BMP5075 for example), but they have a...
yig tracking
Hi Pisoiu,
Echo47's solution is simple, cheap, and you can buid it with a few parts from the shelf. There are available VCO's and mixers from Z'comm, Minicircuits and others.
See the link below for a reference.
https://www.qsl.net/n9zia/spec/index.html...
s parameters to z parameters
Hi,
Check the link below, it is a collection of Matlab routines for parameter transformation.
hxxp://www.mathworks.com/matlabcentral/fileexchange/loadFile.do?objectId=6080&objectType=file
rgds,
Al
Re: wideband rf spiltter
Carrier,RFMW,
Sorry, RFMW you recomended the resistor based splitter (this is called resistive power divider, and has 6 dB loss as you mentioned). Carrier says in his last post, that he will use microstrip and no ferrite core. As I know, the microstrip power dividers...
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