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Author Topic: ANALOG VS DIGITAL  (Read 4766 times)
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« Reply #20 on: May 25, 2008, 09:28:21 AM »

may alam ba kayong R&D ba sa pinas specialized on RF? Hirap yata hanapin ang experienced RF engineer. May project kami dati nagfail dahil nagfail ang RF portion. Di kami nakapaghunt ng matinding RF engineer. Meron may mga masters pa pero di ganun extensive experience, ayun nagfail:(
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« Reply #20 on: May 25, 2008, 09:28:21 AM »

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« Reply #21 on: May 25, 2008, 09:45:54 AM »

dun sa pinanggalingan ko dating company, paghahanap din ng RF engineer para sa DECT products ang isa naming problem... kaya in the end bumili na lang kami ng ready-made na solution kasi dahil sa mga failures, mas costly siya pero 100% sure na gagana.
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« Reply #22 on: August 26, 2008, 04:22:37 PM »

magkakaroon na daw po ng RF R&D outfit dito sa pilipinas...bale foreign company sya tas partly filipino owned....mahal kasi sweldo ng RF Engineers sa US kaya yun....hehehe

meron akong alam sa eastwood na ok yung RF facilities for testing. kya lang power related, bale tinetest nila against RF yun mga power supply....
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« Reply #23 on: August 26, 2008, 05:03:36 PM »

We do RF here in the company I have worked.
Now mostly, 2.4GHz radio and FM band.  We do tests before sending the protos for Bluetooth, FCC and CE approvals.
Before we do 3-30MHz, 27MHz, VHF and UHF radios.
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« Reply #24 on: August 26, 2008, 05:11:08 PM »

...
meron akong alam sa eastwood na ok yung RF facilities for testing. kya lang power related, bale tinetest nila against RF yun mga power supply....
EMI testing Roll Eyes (EMC)
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« Reply #25 on: August 26, 2008, 05:22:02 PM »

yup! hehehe, meron pang anechoic chamber...
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« Reply #26 on: August 26, 2008, 08:24:24 PM »

sa Cebu meron din daw merong anechoic chamber (ipapagawa pa lang nung nabalitaan ko). ang alam daw nila sila lang meron dito pero meron na ang power company sa eastwood. Grin
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« Reply #27 on: August 26, 2008, 08:52:25 PM »

We don't have anechoic chamber. Sad
We have no need of it as of now and is expensive.
It should have been nice to have one for testing antennas.
What we have is a Faraday cage for testing in a low rf noise environment.
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« Reply #28 on: August 27, 2008, 11:23:51 AM »

^kami merong Faraday cage sa lab....hahaha

bulok na network analyzers namin huhuhu
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« Reply #29 on: August 27, 2008, 03:00:00 PM »

ang nakita ko pa lang 'yung sa ASTI na Faraday Cage. noong nasa loob ako, naka-receive 'yung kasama ko ng text (hindi nakasara maigi 'yung pinto). hehehe.
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« Reply #30 on: August 27, 2008, 03:27:36 PM »

may alam ba kayong R&D ba sa pinas specialized on RF? Hirap yata hanapin ang experienced RF engineer. May project kami dati nagfail dahil nagfail ang RF portion. Di kami nakapaghunt ng matinding RF engineer. Meron may mga masters pa pero di ganun extensive experience, ayun nagfail:(

Sir, ano applications, operating Frequencies? 

May chain of expert RF specialist (with friends)  formerly from V-tech and NS, mga pinoy sila pero wala sa pinas ngayon (ok lang ba)?

Kaya kakaunti ang mga magagaling na RF dito ay dahil kukunti ang nakaka-kapag setup up ng logical equipment (wala pa akong nabalitaan na complete setup pero hobby lang).  Napakamahal kasi ang Invenstment sa equipment


dun sa pinanggalingan ko dating company, paghahanap din ng RF engineer para sa DECT products ang isa naming problem... kaya in the end bumili na lang kami ng ready-made na solution kasi dahil sa mga failures, mas costly siya pero 100% sure na gagana.
.

Heheheh DECT is 1.8~1.9GHz  - TDMA/TDD  like GSM, balita ko kasi, ang mga magagaling na RF engineer (niyo dati) lumipat sa DECT factory sa China - doon sila naka-develop ng mga RF modules for Europe DECT and USA DECT - kapag pasadu ang Government Approval nila (CE or FCC), hehehehe magdamagan KTV iyan, nakikisali lang ako (ooopsss).

Dati mga Korean and Japanese ang mga nandiyan (sila lang maalam), 5 years ago replaced na by Filipino, ngayon kaya na ng mga locals.



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« Reply #31 on: September 13, 2008, 02:45:27 AM »

for me eh gusto ko pareho dhl w/out analog input there is no digital output.correct me if i'm wrong....thanks.....
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