#339: Basics of a Super-heterodyne Receiver - how it works, and a peek at the signals
w2aew
•
October 14, 2021
w2aew
View ChannelAbout
Mostly videos on hobby electronics, test & measurement, ham radio, and other stuff. The site is mainly geared towards the hobbyist. Be sure to let me know if there's a similar topic that you'd like to see a video on! With big thanks to long-time subscriber Dino (KL0S), I've now got an index to all of the videos (arranged numerically and by topic) - see the link at the lower right corner of the channel's head graphic.
Latest Posts
Upgrade Your Mobile Photography
AI-recommended products based on this video
Loading...

BASESAILOR iPhone 16 16e Car Charger Adapter 3Pack,USB to USBC Connector Type C Female to A Male Cable Converter for iPhone 15 14 Pro Max Plus,Apple Watch 10,Airpods 4,iPad mini 7,Samsung Galaxy S25
(7,876)
$11.99
FREE delivery Sat, Jun 14 on your first order
500+ bought in past month
Loading...

URVNS 240W USB C Car Charger, Super Fast Charging 4-Ports PD3.1 140W/PD3.0 100W PPS 45W QC65W Type-C Car Adapter for MacBook Pro Laptop iPhone 15 14 Max iPad Samsung Galaxy S24/23/22 Pixel etc
(114)
$57.36$49.99
Prime$5.48 delivery Mon, Jun 16
Loading...

UGREEN 130W Car Charger USB C Fast Charger PD3.0 QC4.0 PPS Fast Charging Car Adapter with 100W USB C Cable Compatible with Dell XPS, MacBook, iPhone 16 15 14 Pro Max, Galaxy S25 S24 Ultra, iPad Pro
(4,725)
$31.99
500+ bought in past month
Loading...
![VANMASS [85+LBS Strongest Suction & Clip] 2025 Upgrade Car Phone Holder [Patent & Safety Certs] Cell Phone Mount Truck Stand for Dashboard Windshield Vent for iPhone 16 Pro Max 15 14 13 12 Samsung](https://m.media-amazon.com/images/I/71bHSP1cRkL._AC_UL960_FMwebp_QL65_.jpg)
VANMASS [85+LBS Strongest Suction & Clip] 2025 Upgrade Car Phone Holder [Patent & Safety Certs] Cell Phone Mount Truck Stand for Dashboard Windshield Vent for iPhone 16 Pro Max 15 14 13 12 Samsung
(54,882)
$32.25
FREE delivery Mon, Aug 25 on your first order
1K+ bought in past month
Loading...

Wireless Charger for Samsung - NANAMI 3 in 1 Charging Station for Multiple Devices,Fast Charger Stand Dock for Galaxy S25 S24 S23 Ultra S22 S21 S20 Z Flip Fold,Galaxy Watch 5/5 Pro/4/3,Galaxy Buds Pro
(2,272)
$43.99
PrimeFREE delivery Sat, Jun 14
200+ bought in past month
Loading...

45W Super Fast Charger USBC Charger, 2Pack 10FT Samsung Charger Fast Charging Cord Cable& Samsung Type C Charger Block for Galaxy S25 S24 S23 S22 S21 Ultra/Plus, Tab S10 S9 S8 S7,iPad,Android Phone
(52)
$22.79
FREE delivery Fri, Oct 3 on your first order
1K+ bought in past month
Loading...

SmallRig ZV-E1 Camera Baseplate for Sony ZV-E1, Built-in Cold Shoe Mount and QR Plate (for Arca) Quick Switch Between Tripod and Stabilizer for DJI RS 2 / RSC 2 / RS 3 / RS 3 Pro - 4314
(3)
$44.99
FREE delivery Thu, Jun 19
Loading...

SmallRig Baseplate for Sony Alpha 6700, Bottom Mount Plate Built-in Quick Release Plate for Arca, Supporting Quick Switch Between Tripod and Stabilizer (for DJI RS 2 / RSC 2 / RS 3 / RS 3 Pro) - 4338
(85)
$38.24
FREE delivery Thu, Jun 19
Loading...

NEEWER a6700 L Plate Compatible with Sony Alpha 6700, Quick Switch Aluminum Extendable Side Plate & Anti Twist Baseplate Compatible with Arca Swiss QR System DJI RS 2 RSC 2 RS 3 Pro Gimbals, CA048
(24)
$25.99
FREE delivery Thu, Jun 19 on your first order
Loading...

SanDisk 64GB Extreme PRO SDXC UHS-I Memory Card - C10, U3, V30, 4K UHD, SD Card - SDSDXXU-064G-GN4IN
(71,074)
$21.99$16.59
FREE delivery Sun, Aug 10 on your first order
500+ bought in past month
Loading...

Best Seller
SanDisk 128GB Extreme PRO SDXC UHS-I Memory Card - C10, U3, V30, 4K UHD, SD Card - SDSDXXD-128G-GN4IN
(71,074)
$29.99$26.61
FREE delivery Sun, Aug 10 on your first order
4K+ bought in past month
Loading...

SanDisk 4TB Extreme Portable SSD - Up to 1050MB/s, USB-C, USB 3.2 Gen 2, IP65 Water and Dust Resistance, Updated Firmware - External Solid State Drive - SDSSDE61-4T00-G25
(77,138)
$379.99
FREE delivery Tue, Jun 17
100+ bought in past month
Loading...
![Spigen Case for Galaxy S25 Case, Tough Armor (Ai) MagFit [Wireless Charging] Compatible with MagSafe - Black](https://m.media-amazon.com/images/I/71dL2NiwINL._AC_UL960_FMwebp_QL65_.jpg)
Spigen Case for Galaxy S25 Case, Tough Armor (Ai) MagFit [Wireless Charging] Compatible with MagSafe - Black
(2,126)
$28.99
FREE delivery Sat, Jun 14 on your first order
500+ bought in past month
Loading...

Spigen Case for iPhone 16 Case, Tough Armor Designed for Apple iPhone 16 - Black
(126)
$22.99
FREE delivery Sat, Jun 14 on your first order
50+ bought in past month
Loading...
![Spigen Case for iPhone 16 Pro Case, Tough Armor [MagFit] Compatible with MagSafe - Black](https://m.media-amazon.com/images/I/61rMnLID99L._AC_UL960_FMwebp_QL65_.jpg)
Spigen Case for iPhone 16 Pro Case, Tough Armor [MagFit] Compatible with MagSafe - Black
(341)
$32.99
FREE delivery Sat, Jun 14 on your first order
Loading...
![Spigen Case for iPhone 16 Plus Case, Tough Armor (AI) [MagFit] Compatible with MagSafe - Black](https://m.media-amazon.com/images/I/61Ygh697e4L._AC_UL960_FMwebp_QL65_.jpg)
Spigen Case for iPhone 16 Plus Case, Tough Armor (AI) [MagFit] Compatible with MagSafe - Black
(818)
$29.99
FREE delivery Sat, Jun 14 on your first order
Loading...

Otterbox Commuter Series case for iPhone XR - Frustration Free Packaging - Black
(5,871)
$29.95
FREE delivery Sat, Jun 14 on your first order
50+ bought in past month
Loading...

Otterbox Commuter Series Case for iPhone 11 - Bespoke Way (blazer Blue/Stormy Seas Blue)
(9,305)
$29.47
FREE delivery Sat, Jun 14 on your first order
200+ bought in past month
Loading...

soundcore by Anker P20i True Wireless Earbuds, 10mm Drivers with Big Bass, Bluetooth 5.3, 30H Long Playtime, IPX5 Water-Resistant, 2 Mics for AI Clear Calls, 22 Preset EQs, Customization via App
(61,759)
$29.99
FREE delivery Sat, Jun 14 on your first order
4K+ bought in past month
Loading...

soundcore by Anker Q20i Hybrid Active Noise Cancelling Headphones, Wireless Over-Ear Bluetooth, 40H Long ANC Playtime, Hi-Res Audio, Big Bass, Customize via an App, Transparency Mode, Ideal for Travel
(39,496)
$52.99
FREE delivery Sun, Oct 19
3K+ bought in past month
Loading...

soundcore by Anker Q20i Hybrid Active Noise Cancelling Headphones, Wireless Over-Ear Bluetooth, 40H Long ANC Playtime, Hi-Res Audio, Big Bass, Customize via an App, Transparency Mode, Ideal for Travel
(30,156)
49.98
PrimeFREE delivery Saturday, June 14
500+ bought in past month
Loading...

Amazon's Choice
soundcore by Anker Q20i Hybrid Active Noise Cancelling Headphones, Wireless Over-Ear Bluetooth, 40H Long ANC Playtime, Hi-Res Audio, Big Bass, Customize via an App, Transparency Mode, Ideal for Travel
(30,156)
49.97
PrimeFREE delivery Saturday, June 14
3K+ bought in past month

