Search RFC: |                                     
Please support my efforts by ADVERTISING!
About | Sitemap | Homepage Archive
Serving a Pleasant Blend of Yesterday, Today, and Tomorrow™
Vintage Magazines
Electronics World
Popular Electronics
Radio & TV News
QST | Pop Science
Popular Mechanics
Radio-Craft
Radio-Electronics
Short Wave Craft
Electronics | OFA
Saturday Eve Post
Alliance Test | Isotec
Please Support My Advertisers!
   
   
Aegis Power | Centric RF | RFCT
Empwr RF | Reactel | SF Circuits

Formulas & Data

Electronics | RF
Mathematics
Mechanics | Physics

Calvin & Phineas

kmblatt83@aol.com

Resources

Articles, Forums, Radar, Magazines, Museum, Software
Radio Service Data
Tech Notes, Videos

Artificial Intelligence

Entertainment

Crosswords, Humor Cogitations, Podcast
Quotes, Quizzes

Parts & Services

1000s of Listings
        Software: RF Cascade Workbook | RF Symbols for Office
RF Symbols for Visio | RF Stencils for Visio
Espresso Engineering Workbook <--free
dB Control dB-9006 Magnum Opus Synthesizer - RF Cafe

Amplifier Solutions Corporation (ASC) - RF Cafe

Please Support RF Cafe by purchasing my  ridiculously low-priced products, all of which I created.

RF Cascade Workbook for Excel

RF & Electronics Symbols for Visio

RF & Electronics Symbols for Office

RF & Electronics Stencils for Visio

RF Workbench

T-Shirts, Mugs, Cups, Ball Caps, Mouse Pads

These Are Available for Free

Espresso Engineering Workbook™

Smith Chart™ for Excel
SATNow Satellite Industry Resources Database - RF Cafe

BGA Pad Count Matrix

BGA Pin Counting - RF CafeThis matrix is based on information found on the Emulation Technology website.

To use this table, select the ball grid array size, e.g. 8x8, and then look in the column giving the number of rows of pads; e.g., 2, and the intersecting cell shows the number of balls (or pins). Referring to the drawing to the left, in this example, an 8x8 array with a 2 rows of balls has 16 balls along the top and bottom edges and 8 balls along each side, for a total of 48 balls.

Ball Pitch Code Table (mm)
1 = 1.50 3 = 1.00 5 = 0.50 7= 2.50 9= 0.65
2 = 1.27 4 = 0.75 6 = 0.80 8= 2.54  

SATNow Satellite Industry Resources Database - RF Cafe

About RF Cafe

Kirt Blattenberger - RF Cafe Webmaster

Copyright: 1996 - 2025
Webmaster: Kirt Blattenberger,
   BSEE - KB3UON - AMA92498
   USAF Radar Technician

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a lady's voice announced "You've Got Mail" when a new message arrived...

Copyright  1996 - 2026

All trademarks, copyrights, patents, and other rights of ownership to images and text used on the RF Cafe website are hereby acknowledged.

My Hobby Website: AirplanesAndRockets.com

My Daughter's Website: EquineKingdom