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Old 06-26-2012, 08:25   #1 (permalink)
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Help 8530 ic PA SKY77451-14

Do u have trick to jumper this IC ... SKY77451-14 ??

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Old 07-31-2012, 20:57   #2 (permalink)
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ora ono,la piye sa iki?
google translate not work
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Old 11-30-2012, 20:17   #3 (permalink)
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Originally Posted by cal_guy View Post
NNooooooooo way to jumper PA
CDMA PA-Duplexer Module; SE Input with Coupler ( based IS95/98/CDMA2000/EVDO REV A) 800 Mhz / CELL CDMA

1. SKY77451-14 from Skyworks
2. TQM 613031 from TriQuint ( tritum II fam ily)

both of this components is a fully matched CDMA cellular band PA-Duplexer module for use in mobile phones as part of TriQuints Tritium II product family. The module is designed with a focus on size, current consumption and phone layout simplicity. Within a compact area of only 28mm2, the module integrates a single-ended transmit filter, duplexer, high efficiency PA die, RF power coupler, matching and built in voltage regulator functionality eliminating the need for external switch circuitry. With an RF power output up to 25dBm the TQM613029 meets the strict ACPR/ALTR requirements of multi-band, feature-rich CDMA2000 handset designs.
The module will provide the lowest overall current consumption available in the market based on the current sub-urban CDG (CDMA Development Group) curve by providing a 3 Gain state amplifier. In Low-Power mode operation a quiescent current of only 5mA will allow the module to achieve an overall average current of less than 50mA.

in a blackberry 8530 and 9330 you will se this part as U208, PA ( power amplifer ) and Duplexer module for 800 Mhz band.

in many country, Cdma networks use 800 Mhz band, maybe in your country use it too, so you can pay attantion to this part ( U208 )

now we are back to the question, can we make jumper to this stuff ? yes, but cant be act like a normal phones. signal strength ( RX and TX ) still cant be stable, since we dont use any amplifier stuff in our phones

but if a network coverage from BBS is a strong enaugh in your area, so you still can enjoy your phones without U208

make a wire ( red lines ) like shown in picture :


Yongky Felaz
Attached Images
File Type: jpg PA 8530 - 9330.JPG (56.3 KB, 1351 views)
File Type: jpg jumper.JPG (48.9 KB, 1317 views)
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Old 12-01-2012, 22:47   #4 (permalink)
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the picture in the last post, not the only one i will send 3 varian of components layout and the tricks to bypass them maybe some will be match to your problems, contact me via PM.

the result :

8530 jumper PA - YouTube


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Old 01-01-2013, 14:29   #5 (permalink)
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I have a different solution to deal with it

data & voice smooth
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File Type: jpg IMG-20130101-00260.jpg (439.3 KB, 1049 views)
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Old 01-02-2013, 02:17   #6 (permalink)
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Originally Posted by justinside View Post

I have a different solution to deal with it

data & voice smooth
Can you give me detail solution? Like see the jumper.
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Old 02-13-2013, 08:29   #7 (permalink)
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try it ,, tested

ty 4 justininside + micro media

btw ; wong indon kabeh seng koment
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