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Re: Fix RF Attenuator
I 'm just wondering how they can made it, thats all.
When i was open this RF attenuator thats a lot of carbon and covered all brass of connector....:?:
How many carbon they must put into it?
The scale of this RF attenuator its about 12x12x12 cm³.
Conn. N (M) to N (M).
Re: RADAR Basic
In my country I cannot find the book you're suggested.
And I don't have enough money to buy a book, especially this book.
Could you find that book or similary them that i can read on my computer?
PDF maybe?
thanks
Re: BUILD a PCB
where i can find multilayer of pcb?
cause in my country there is only have one layer...
i couldn't find it
could anyone can find it?
thanks
deal all
could anyone can give me some advice?
my background from elec&telecom, i had working on my country for about 1 year.
my first month of job as a project management, second as cheaf warehouse, third as QC on Poduction (Test equipment), and last become sales enginner...
What is the right...
i had wondering, does anyone has article or tutorial how to build RF Attenuator?
cause i had seen the phisic of this attenuator.
Material inside of this attenuator, its just a carbon.. :?:
could anyone can find how they calculated it?
thanks
Re: BUILD a PCB
Yes, for double side PCB it it possible to build a PCB.
But how about a single side PCB?
Build A lot of layer / multilayer on single side PCB like on industrial factory.
I wondering, how they can made it?
could we made it at home?
hi, friends
Does anyone has this info, about switching power supply ?
it will be great if you could gave me some schematics examples.
ex.
ac input = 220-230 VAC
ac freq. = 60 Hz
dc output = + 5 VDC
Ampere = 4 Amp.
thanks
Datasheet LNA
Does anyone has these datasheet lna?
The Spec. are :
Manufacture : TITAN
Gain min : min.60 dB
Freq. : 3400 - 4200 MHz
Voltage : 12 - 24 Volt
Flatness : max. 1 dB/500 MHz
max...
Re: Inverter 1 KVA
This is use for telecommunication power system.
When I look up on BTS (Base Transmission System), they using 48 Vdc (input) for power system.
such as Vsat and Microwave Radio.
* The VSAT System are:
Genset --> Battere (48Vdc) --> Inverter (230 Vac) --> Outdoor Unit (ODU /...
Re: Inverter 1 KVA
Hi VSMVDD,
Thank you for the info.
But when i looked at schematics, Output VP3 = 12,93 Vdc not 48Vdc.
And How much power input before BR1 1N4001?
Could you advice me?
Thank you.
Hi All,
Could anyone help me to find this schematic (inverter 1KVA) and the system too?
Input Power : 48 VDC
frequency : 60 Hz - 120 Hz
Output Power : 230 VAC
I wanted to learn all the system and schematics too.
Thank you
yugamart
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