I found the comment about Sony's belief that NPN transistors are superior to PNP very interesting.
Posts
4 hours ago
Saturday, September 7, 2024
Subscribe to:
Post Comments (Atom)
Serving the worldwide community of radio-electronic homebrewers. Providing blog support to the SolderSmoke podcast: http://soldersmoke.com
Smoke! Solder Smoke!
Thanks to Dino KL0S
Sponsor SolderSmoke!
Donate to SolderSmoke!
WANTED BY THE FBI
Listen to Past Episodes
Just go to http://soldersmoke.com. On that archive page, just click on the blue hyperlinks and your audio player should play that episode.
http://soldersmoke.com
A book about life overseas
Click on the image!
SolderSmoke Store
Click on the mug!
SolderSunSpots
Solar and Geophysical Activity Summary
Frank Jones, W6AJF
TOPIC INDEX
- "The Art of Electronics" (8)
- 10 meters (15)
- 12 meters (7)
- 15 Meters (10)
- 15-10 Transceiver (20)
- 160 meters (14)
- 17 meters (47)
- 1712 Rig (13)
- 2 meters (4)
- 20 meters (15)
- 20meters (1)
- 2200 and 630 meters (1)
- 30 meters (2)
- 40 meters (88)
- 6 meters (2)
- 60 meters (8)
- 75 meters (10)
- AA1TJ (51)
- AA7EE (2)
- Adams -- Chuck (9)
- aeronautical mobile (1)
- Africa (12)
- AGC (1)
- AI (9)
- aircraft (32)
- Alaska (8)
- All American Five (2)
- AM (75)
- Amateur Television (16)
- amplifier theory (47)
- Anguilla (1)
- Antarctica (7)
- antennas (126)
- Antuino (13)
- April 1 (17)
- Arduino (124)
- arduinos (1)
- Argentina (10)
- Armstrong -- Neil (1)
- Armstrong -E. Howard (18)
- ARRL (8)
- astronomy (117)
- audio amplifiers (15)
- Aurora (9)
- Australia (120)
- Austria (1)
- Azores (30)
- balloon (23)
- Bamford --Dave (6)
- Bangladesh (1)
- Barbados (9)
- beacon (22)
- Belgium (9)
- Beverage--Harold (4)
- bicycle (10)
- Billy (2)
- biology (1)
- bitx (9)
- BITX DIGI-TIA (42)
- BITX20 (168)
- BITX40Module (76)
- BITX60 (2)
- boats (6)
- book (78)
- books (138)
- Bose-JC (1)
- Botswana (1)
- Brazil (13)
- Brazil. Australia (1)
- Brazil. Belgium (1)
- broadcast radio (4)
- Budlong -- Merrill (1)
- Burdick -- Wayne (12)
- California (22)
- Campbell-Rick (22)
- Canada (48)
- Canary Islands (1)
- Carlson -- Mr. (10)
- Carney-Todd (8)
- Carr -- Joseph (2)
- cartoons (28)
- CB (6)
- CBLA (7)
- Cebik-L.B. (3)
- Central America (1)
- ceramic resonators (11)
- Chile (6)
- China (43)
- Cicadas (1)
- climate change (4)
- clocks (1)
- Cloud Chamber (3)
- Clubs (50)
- Collins -- A. Frederick (2)
- Collins -- Art (8)
- Colombia (1)
- computer history (40)
- construction techniques (9)
- COVID (2)
- Crane-Bob (11)
- Croatia (3)
- crystal radio (32)
- Cuba (24)
- CW (106)
- CW. (3)
- Cyprus (1)
- Czech Republic (2)
- Darlington--Paul (1)
- DC Receiver Build (10)
- DDS (31)
- DeMaw--Doug (74)
- Denmark (2)
- DiFX (6)
- digital logic (10)
- digital modes (20)
- Dilbert (3)
- direct conversion (133)
- Disaster Relief (1)
- Dobbs-George (33)
- Dominican Republic (63)
- Drake 2B (70)
- Drake TR-3 (1)
- Drones (1)
- DSB (95)
- Dubai (5)
- DX-100 (17)
- DX-390 (2)
- DX-40 (3)
- earthquake (4)
- Echolink (3)
- Ecuador (1)
- Edison -- Thomas (4)
- Einstein -- Albert (12)
- El Salvador (1)
- Elecraft (7)
- election (3)
- Electric Radio magazine (9)
- electrolytic capacitors (1)
- Ellsworth -- Jeri (6)
- Elser-Mathes Cup (1)
- EM Waves (9)
- EME (12)
- Emergency Power (5)
- EMRFD (13)
- enclosures (4)
- ET-2 (14)
- Europa (1)
- Evans-- Grayson (20)
- Faraday -- Michael (4)
- Farhan (245)
- Farnsworth--Philo (5)
- Faroe islands (2)
- FCC (3)
- FDIM (1)
- feedback (2)
- Fessenden -- Reginald (2)
- Feynman -- Richard (6)
- Field Day (9)
- Filters (110)
- Finland (1)
- Finnland (1)
- Fish Soup 10 (4)
- Fishpool -- Tony (15)
- Florida (3)
- FM (8)
- France (43)
- Franklin Oscillator (3)
- frequency counter (27)
- Fried--Limor (3)
- Friedrichs -- HP (1)
- FT-8 (5)
- Fusion (3)
- Gale -- Todd (5)
- Germany (61)
- Gilbert Cell (4)
- Glue Sticks (3)
- Google (2)
- GQRP (18)
- greece (3)
- Green -- Wayne (8)
- Guapo (1)
- Guatemala (1)
- Guth -- Eric (11)
- h (1)
- Haiti (3)
- Hall-Douglas (1)
- Hallicrafters (66)
- Ham Radio Workbench (1)
- Hamel--Armand (19)
- hamfest (9)
- Hamfests and Flea Markets (66)
- Hammarlund (25)
- Harden-Paul (3)
- Harper -- Rex (16)
- Harris -- Frank (5)
- Hawaii (3)
- Hayward--Wes (83)
- HB2HB (30)
- heathkits (62)
- heatsinks (3)
- Heaviside -- Oliver (1)
- Heil -- Bob (4)
- Herring Aid 5 (34)
- Hex Beam (3)
- Hodgepodge rig (10)
- homebrew (10)
- homebrew hero (17)
- homebrew transistors (9)
- Honduras (1)
- Hong Kong (2)
- HP8640B (8)
- HQ-100 (10)
- Hungary (8)
- Hunkin -- Tim (2)
- HW-101 (8)
- HW-7 (7)
- HW-8 (23)
- IBEW (2)
- Iceland (2)
- ICs (7)
- Idaho (1)
- IGY (7)
- impedance matching (1)
- India (124)
- Indonesia (7)
- integrated circuits (14)
- Interference (6)
- Ireland (15)
- IRF510 (3)
- Israel (24)
- Italy (85)
- Jaguey (2)
- Jamaica (2)
- Japan (41)
- JBOT (17)
- Jean Shepherd (55)
- Jim Williams (4)
- Job Opportunities (2)
- John Edwards (2)
- Jones -- Frank (17)
- Jordan (2)
- JT65 (2)
- Judica Cordiglia (4)
- Juliano -- Pete (289)
- Jupiter (10)
- K1JT (9)
- K5WDW (1)
- Kang- KPS (1)
- Karl and Jerry (1)
- keyers (5)
- Keyser -- Ian (5)
- Kits (49)
- KL7R (12)
- kludge (9)
- Knack Stories (174)
- Kraus -- John (1)
- Lady Ada (5)
- Lafayette HA-600A (21)
- Large Hadron Collider (2)
- Laser (15)
- Lebanon (1)
- LED (8)
- LEDs (2)
- Lewallan -- Roy (6)
- Lewallen --- Rick (1)
- lexicon (7)
- Light Beam Telephony (7)
- Light Bulbs (3)
- Lightning (6)
- Linux (12)
- Lithuania (1)
- LM373 (1)
- Long Delayed Echo (2)
- LtSpice (30)
- M0NTV (3)
- Macdonald -- Copthorne (4)
- Madagascar (1)
- Mafalda (1)
- magazines (39)
- MAKE (5)
- Malaysia (1)
- Marconi (1)
- Marconi-Guglielmo (19)
- Mars (49)
- Mate for the Mighty Midget (23)
- math (1)
- mathematics (16)
- Maxwell -- James Clerk (8)
- McCoy -- Lew (22)
- Mercury (1)
- metal work (12)
- meteors (7)
- Mexico (7)
- MFJ Cub (2)
- Michigan Mighty Mite (103)
- microcontrollers (43)
- Microphone (25)
- military radios (9)
- Mims -- Forrest (5)
- Minima (17)
- minimalist computing (23)
- minimalist radio (101)
- mixer theory (87)
- Mixers (3)
- mongolia (1)
- Montana (3)
- Montenegro (2)
- moonbounce (13)
- Morris -- Charlie (8)
- movie review (1)
- Moxon (18)
- Muppet Boards (1)
- Murphy -- Mike WU2D (8)
- Murphy -- Steve (7)
- museum (2)
- music (28)
- Mythbuster (42)
- Namibia (1)
- nano UK. New Zealand (1)
- NanoVNA (25)
- NE602 (16)
- Nepal (3)
- Netherlands (37)
- Netherlands. (4)
- New York City (24)
- New Zealand (27)
- noise (2)
- Norway (17)
- Novice Station (2)
- nuclear power (1)
- Numbers stations (3)
- Old radio (295)
- Old Smoke (12)
- OLED (8)
- oscilloscope (35)
- Other homebrews (1)
- Pakistan (1)
- Panama (1)
- parachute (8)
- Paraguay (1)
- Parasets (7)
- Parent -- Allison (5)
- Parfitt-- Dale (9)
- Parker--Peter (58)
- Parts suppliers (59)
- Penson-Chuck (3)
- Pete (1)
- Phase Locked Loop (1)
- Phase Noise (4)
- phasing (10)
- Phasing Rigs (40)
- Philippines (3)
- photography (6)
- Physics (47)
- poetry (11)
- Poland (4)
- Polyakov--Vladimir (13)
- Portugal (4)
- Project Gutenberg (1)
- propagation (66)
- PTO (16)
- Puerto Rico (6)
- PY2OHH (1)
- Qatar (1)
- QCX (3)
- QRP (150)
- QRP. Germany (1)
- QRSS (75)
- QST (5)
- Quarantine (33)
- R-390 (4)
- R/C plane (11)
- radio astronomy (49)
- radio history (255)
- Rainey -- Michael (55)
- Raspberry Pi (31)
- Reber--Grote (3)
- regen (15)
- Regens (75)
- reggie (1)
- repair (19)
- resonance calculations (1)
- Reunion Island (1)
- Reverse Beacon Network (13)
- Rider -- John (1)
- ro (1)
- Roberts--Steven (1)
- robot (2)
- rockets (29)
- Rockey -- C.F. (3)
- Romania (6)
- RTTY (1)
- Rudy Severns (1)
- Russia (45)
- S-38E (12)
- San Francisco (1)
- Sardinia (2)
- satellites (159)
- Saturn (8)
- sBITX (11)
- Schwartz-Eric (1)
- science fiction (9)
- Scotland (11)
- Scott-- Richard N3FJZ (2)
- SDR (145)
- SETI (22)
- Shannon -- Claude (1)
- Short Wave Listening (74)
- Si5351 (85)
- Sicily (3)
- sideband inversion (4)
- Sierra Leone (1)
- Silver -- McMurdo (1)
- Silverman -- Steve (11)
- simulators (1)
- Singapore (3)
- Slovakia (3)
- Smith--Steve (13)
- software (25)
- solar cycle (44)
- Solar power (25)
- solder (9)
- SolderSmoke Podcast (204)
- SolderSmoke Shack South (3)
- SolderSmoke store (2)
- SolderSmoke Videos (2)
- SOTA (11)
- Souleles -- Dean (40)
- South Africa (13)
- South Korea (1)
- Soviet Union (4)
- space program (162)
- Spain (26)
- Sparks -- Ron (2)
- sponsor (2)
- SPRAT (68)
- SSB (199)
- SSDRA (21)
- SST (5)
- SSTV (6)
- static electricity (3)
- stickers (7)
- Stoll -- Cliff (1)
- Sub-Harmonic mixer (1)
- Summers-Hans (43)
- Sun (12)
- Superhet receivers (94)
- surface mount (10)
- Swan 240 (4)
- Sweden (9)
- Switzerland (4)
- Tasmania (7)
- Taylor -- Joe (3)
- Taylor -- Paul (9)
- telescope (2)
- telescopes (29)
- teletype (1)
- Television (3)
- Temperature Compensation (3)
- Terman --- Frederick (1)
- Tesla -- Nikola (3)
- test gear (185)
- Thailand (5)
- The Knack (7)
- Tibet (1)
- Time (1)
- TinySA (12)
- TJ DC RX (44)
- tools (1)
- Toroids (4)
- Trastevere (3)
- TRGHS (1)
- Trivial Electric Motor (2)
- troubleshooting (135)
- tube (3)
- Tubes (209)
- Tubes. tube (1)
- Tuna Tin 2 (25)
- Turkey (12)
- Twain -- Mark (2)
- UAE (2)
- uBITX (50)
- UHF (17)
- UK (227)
- Ukraine (3)
- uSDX (1)
- Van Vark -- Tatjana (1)
- Vatican Radio (1)
- Venezuela (2)
- venus (4)
- VFO (78)
- VHF (20)
- vide (1)
- video (217)
- Vienna Wireless Society (9)
- Vietnam (8)
- VK4KA (1)
- W1PID (2)
- W7ZOI (7)
- WA6ARA (4)
- WA7MLH (9)
- Walford Electronics (5)
- Washington D.C. (5)
- WD-40 (1)
- weather (8)
- web sites (44)
- Weber-Steve (4)
- Weiss--Ade (5)
- Williams -- Jim (3)
- wind power (2)
- wolke -- Alan (40)
- Woodpecker (1)
- woodworking (10)
- workbench (111)
- workshop (26)
- Wozniak -- Steve (9)
- WSPR (75)
- Yates--Alan (8)
Help SolderSmoke -- Use this Paid Ad from Amazon -- Click on Image!
Click on the Amazon image above to buy ANYTHING from Amazon
Our Sponsor! Click on the Logo!
PartsCandy -- The Best Test Leads
Help SolderSmoke! Shop E-Bay from this site
Our Sticker (we need a new one!)
Hardware for the Homebrewer
Click on the logo!
People Watching the Blog Around the World
Join the CBLA Today!
Translate
SolderSmoke -- The Book
Click on the Book Cover!
SolderSmoke - The Book!
"SolderSmoke -- Global Adventures in Wireless Electronics" is now available as an e-book for Amazon's Kindle.
Here's the site:
http://www.amazon.com/dp/B004V9FIVW
Bill's OTHER Book (Warning: Not About Radio)
Click on the image to learn more
Where are the readers of SolderSmoke Daily News?
Pete Juliano N6QW
SolderSmoke Co-Host and Master Homebrewer
Dean Souleles KK4DAS
With beret and with a Michigan Mighty Mite in hand
SolderLinks
- SolderSmoke's Facebook Page
- Bill's Blog About Politics and Foreign Affairs
- Pete N6QW's site
- SolderSmoke/Gadgeteer Books
- Pete's Old Blog
- N2CQR's Web Site (radios, kites, rockets...)
- All the SolderSmoke Podcast Episodes
- Mike KL7R (SK) Archived Web Site
- SolderSmoke YouTube Video Channel
- Pete's New Blog
- Dean KK4DAS's Blog
- Farhan VU2ESE's Site
SAW Filter -- Lapel pin symbol of the FMLA
Blogs and Websites and Groups
-
Linux Mint, QRP, & C / C++ Compilers - Greetings: On the bench I'm studying PLL techniques using a sample & hold detector + VHF circuitry. Currently, I've got nothing to post RF-wise. Another...
-
Re: How to calculate the output impedance matching circuit of a balanced Class E amp - 12 MOSFETs... If you are going to run, say, 45V @ 12A (as an example), you could use something like 3.5uH to 4uH of inductance, and I would use a 1000pF va...13 hours ago
-
-
Perfect Gift or Holiday Read: Tales of a Vagabond DXer by Don Moore - Last week, I had the pleasure of posting the latest installment of Don Moore’s “Photo Album” series on the SWLing Post. Don has contributed numerous Photo ...15 hours ago
-
6474km TEP contact on 144 MHz from Argentina to a ship off the coast of Florida - 9th Dec 2024 - Over the last few years, I've reported on many *Trans-Equatorial Propagation* (TEP) contacts from South America to the Caribbean on the *144 MHz* band......
17 hours ago -
-
December 11, 2024. We take things for granted. - We often take things for granted! You know, you snap on your homebrew rig or appliance box, and it comes alive. Or that if you want a fresh salad, there is...
20 hours ago -
Prototype 2el Yagi for 146MHz Fox Hunting – measurement - This article describes VK4MQ’s (Bruce) build of the antenna and documents measurement of the prototype two element Yagi for Fox Hunting / portable directio...20 hours ago
-
From Competition to Communication: BBC World Service Explores Morse Code - Many thanks to David (K2WNW) and Pete Polanyk, who share this brilliant documentary from the BBC World Service: Morse code: Ready to transmit The Documenta...22 hours ago
-
-
-
-
-
Partial Restoration of a Vintage Tube Radio – the Westinghouse H-130 - It’s not too often that I post about projects which are incomplete, but this one has reached a stage where, although I’m not sure if I will fully finish it...
6 days ago -
-
MeSQUAREs alternative - 1/32" board - MeSQUAREs are excellent. I've purchased them from QRPme in the past and used them with great success. I get through them very quickly and find it a bit unf...
1 week ago -
Frequency response of the RX-888 SDR at the high and low ends (above 30 MHz and below 1.5 MHz) - *Figure 1:* The RX-888 Mk2. The RX-888 Mk 2 *(hereafter referred to as the RX-888 or '888) *is a versatile device, essentially providing a means by which...
1 week ago -
HRWB 224 - 2024 Holiday Shopping Show - In this episode we give you the buyer's guide to holiday cheer. The team put their heads together to come up with many suggestions for the workbench, ha...1 week ago
-
-
-
-
WA2JMG - Episode 524 - Charles “Pete” Corp - WA2JMG Charles “Pete” Corp, WA2JMG, operates simple rigs into wire antennas, using low power. His primary operating mo...3 weeks ago
-
-
The November - December 2024 SARC Communicator - *Another BIG issue* The final issue of the year. The November-December Communicator, digital periodical of Surrey Amateur Radio Communications is now avail...5 weeks ago
-
Your LF Station's Best Friend - The Scopematch PT.II - As mentioned in Part I, my construction of the MØBMU-designed Scopematch has proven to be the most valuable piece of test gear in my LF station. If you...
1 month ago -
Hollow-State Design, 3rd Edition - Hollow-State Design, 3rd Edition is available from: Lulu Press: tinyurl.com/hollowstatedesign3 eBay: search for “hollow-state design” Electric Radio bookst...2 months ago
-
-
I Finally Bought My Dream Airplane - Aviation has been a love of mine since I was a very little person. Living in Nevada, seeing posters and ads for the Reno Air Races, specifically the Texa...2 months ago
-
2000 47pF Caps ... - An unexpectged package arrive in the mail today. Did you ever wonder what 2000 47pF NP0 capacitors look like? Thanks to John, AB2XT I will never run ...
2 months ago -
-
January 13, 2024. Just Technical Stuff Today. - https://n6qw.blogspot.com Our New Home!10 months ago
-
-
New QRP Cluster From OM0ET and OM6APN - By DX EXPLORER DX EXPLORER Paul OM0ET and Peter OM6APN recently launched a new cluster dedicated to QRP operations. Have a look and I hope you will enjoy...1 year ago
-
Daylight Again – An all Analog Radio - What’s all this? In 10 seconds, A high performance, 7MHz, 5 watt SSB rig Draws just 24 mA of current 90 dB dynamic range, 80 dB close-in dynamic range 3D ...2 years ago
-
New post: A “Walkie-Talkie” SSB transceiver for 14MHz or the higher RF bands - To access this article, please click link: A “Walkie-Talkie” SSB transceiver for 14MHz or higher rf bands2 years ago
-
Other Electronic Projects • Re: Can I normalize both Mono Amp Outputs? - radm49 wrote: ↑ Mon Apr 25, 2022 3:56 am qmavam wrote: ↑ Thu Apr 21, 2022 8:57 pm Yes, you can use a wall wart for power, you might need to add a capacit...2 years ago
-
Digi-chirp! Digital synthesis of ‘nostalgic’ CW - The bottom ends of 80, 40 and 20m are not what they used to be. For starters, the busiest part is the digital segment where computers talk to computers – l...3 years ago
-
SMA Torque Wrench for the NanoVNA (uncalibrated) - I have been using SMA connectors on most of my projects, and have occasionaly gotten a slightly different reading than I had expected. Using the NanoVNA, ...
4 years ago -
40m SSB Tramping Rig - Please see my YouTube channel for details of the build. http://www.youtube.com/c/CharlieMorrisZL2CTM *2N3904 Antenna Amplifier (initial)* Voltage gain is ...
5 years ago -
Modifications to the Dayton/FDIM-2019 Antuino - The Dayton Antuino has sub-optimal performance. This is a short note on improving it to an 80 db range of measurements. The trouble with Antuino 2.0 (the o...5 years ago
-
-
Raduino as NBFM TX - Here is a neat, 30 minute hack for your Raduino to turn the Si5351 into a pretty stable, solid NBFM transmitter. The hack is to add a varactor diode in ...
7 years ago -
QRP Labs shop! - [image: Shop] All QRP Labs kits may be ordered online securely at the shop, with PayPal payment. *Click here to visit the shop!* *Click!* *Shop! Order...9 years ago
-
Hans Summers Homebrew Radio, Electronics and Computing - Radio, Electronics and Computing Projects by Hans Summers I make no claims for technical accuracy, good design, or necessarily even originality for the co...15 years ago
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
E. Howard Armstrong on a Czech Stamp
Blog Archive
-
▼
2024
(182)
-
▼
September
(19)
- Homebrew Receiver -- AG5VG's 20 Meter "Mythbuster"...
- Fernando's Rigs -- Vintage Ham Radio Receivers
- SolderSmoke Artificial Intelligence -- Where the ...
- AI Podcast #2: Here is Another Short Podcast ABOUT...
- AI Podcast #1 -- A new (experimental) Podcast Abou...
- A Clean Vintage Ham Radio Transmitter: The Collins...
- Ham Radio -- How To Build Stable Oscillators
- AG5VG's Homebrew 20 meter Superhet (with a CW rig ...
- Vulnerable MOSFETS in NASA's Europa Clipper
- "QRP Classics" The Book that Got Me Started in H...
- Sherwood: "It's Time to Clean Up our Transmitters"
- IMD in Transmitters -- Splatter? Or Signal Strength?
- The Surprising Difficulty of Analog Circuit Chip D...
- Sony and the Transistor
- IMD and Splatter
- Ham Radio in the 1970s (and earlier, with some coo...
- Excellent New Video from Grayson KJ7UM on his Ther...
- Who can tell us more about Lovelock's homebrew sho...
- CuriousMarc Visits Cape Canaveral -- Lots of Space...
-
▼
September
(19)
SolderStats
Radio Inventor Stamps
On Page 39 of the Nov-Dec 2024 SARC newsletter "The Communicator"
Yes, Jon Y at Asianometry crushes it again! Always interesting, informative and perfectly narrated. See also the one on Micron.
ReplyDeleteNPN had the electron mobility and ft advantage, whereas PNP had a slightly lower audio NF advantage--all things considered equal. But it matters much less now with the planar process.