Oscilloscope bandwidth tested using rise time – #076
Another method of estimating bandwidth.
See W2AEW’s video which explains the principals:
https://youtu.be/Ly5pmYopEfU
A good selection of test gear and tools here:
https://kaiweets.com?sca_ref=1358197.WQbc45IA3a
Use coupon code LE10 and help support the channel!
Hantek DSO5102P review – https://youtu.be/uSxSuNBnVEM
Hameg HM307 review – https://youtu.be/TCYLMDqf8c4
Fnirsi 1013D review – https://youtu.be/kBH5WO9IOMU
DSO138 mini – https://youtu.be/4Mc0G6LmM1g
Lab equipment
Oscilloscope (Analog) – Hameg HM 307
https://youtu.be/TCYLMDqf8c4
Oscilloscope (Digital) – Siglent SDS 1104X-E
https://www.telonic.co.uk/SIGLENT-SDS1104X-E-Super-Phosphor-Oscilloscope-p/sds1104x-e.htm
Function Generator – Siglent SDG 1032X
https://www.telonic.co.uk/SIGLENT-SDG1032X-Function-Generator-p/sdg1032x.htm
Signal Generator – Rapid Electronics 85-1200
https://youtu.be/SuyP9ZOJ0PM
Spectrum Analyser – Siglent SSA 3021X Plus
https://www.telonic.co.uk/SIGLENT-SSA3021X-PLUS-Spectrum-Analyser-p/ssa3021x-plus.htm
Bench Multimeter – East Tester ET3240
http://www.easttester.com/a/Product_introduction/Precise_Digit_Multimeter/2018/0611/123.html
Yaesu FT-60R DualBand Handheld 5W VHF/UHF Amateur Radio Transceiver - Dual Band
5% OffDual Band VHF/UHF 2 Meter & 70cm Amateur Radio. 5 Watt Output, ctcss/dcs (PL & DPL), DTMF, AlphaNumeric Display, Lighted Keypad, Scan modes. Receives 108-520Mhz and 700-999.99Mhz MHz (less cell), Transmits 144-148Mhz & 430-450Mhz. One Thousand memory... read more
Tri-Band Yaesu VX-6R Submersible Amateur Ham Radio Transceiver (144/222/440)
$324.90 (as of September 16, 2024 03:57 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)Compact, Mil-Spec, Waterproof & Submersible Tri Band Ham Radio! Transmits the 144, 220 & 430Mhz Amateur Ham Radio Bands, & receives 0.5-999Mhz! Output Power is 5 Watts on 2 meter & 70cm, & 1.5W on 222Mhz, with multiple lower power settings! Additiona... read more
FT-2980R FT-2980 | Original Yaesu 144 MHz Single Band Mobile Transceiver | 80 Watts | 3 Year Manufacturer Warranty
9% OffMassive Heatsink guarantees 80 Watts of RF Power with No Cooling Fan Needed (Four selectable power output levels are provided: 80/30/10/5 Watts) - Loud 3 Watts of Audio Output for noisy environments - Large 6 Digit Backlit LCD ensure excellent visibi... read more
FT-891 FT891 Yaesu Original FT-891 HF/50 MHz All Mode Analog Ultra Compact Mobile/Base Transceiver - 100 Watts - 3 Year Warranty
22% OffStable 100 Watt Output! Compatible With ATAS-120A Automatic Tune Antenna! All Mode Operation - AM - FM- USB - LSB - CW
Yaesu Original FT-991A HF/50/140/430 MHz All Mode Field Gear Transceiver - 100 Watts (50 Watts on 140/430MHz) - 3 Year Warranty
Dynamic Real-Time Spectrum Scope *NEW! Multi-Color Waterfall Display *NEW! 160 Meters through 70 Centimeters - SSB/CW/FM/C4FM Digital/AM 100 Watts (2 Meter / 70 Centimeter: 50 Watts) of Solid Output Power Performance 3.5 inch TFT Full-Color Touch Pan... read more
Motorola Solutions Talkabout T475 Extreme Two-Way Radio Black W/Yellow Rechargeable Two Pack
19% OffWith an IPx4 rating, the T475 is weatherproof - able to withstand the harshest environments. 22 Channels Each with 121 Privacy Codes: With 22 channels and 121 privacy codes, totaling 2,662 combinations, it’s easy to find an available channel. Know th... read more
Cobra 29 LTD Classic AM/FM Professional CB Radio - Easy to Operate, Emergency Radio, Instant Channel 9, 4-Watt Output, Full 40 Channels, Adjustable Receiver and SWR Calibration, Black
18% OffClassic CB Design – Cobra’s classic CB radio has been the standard of excellence in professional CB radios for over 50 years. This radio is durable, reliable, and full-featured with 4 watts of power and access to all 40 CB channels. Dual-Mode AM/FM –... read more
Walkie Talkies Long Range for Adults - Rechargeable Walkie Talkies Two Way Radios 22 FRS Channels, NOAA Weather Alerts, 1800mAh Li-ion Battery, LED Flashlight, VOX for Hiking Camping Cruise (4 Pack)
$79.99 (as of September 15, 2024 05:11 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)Walkie Talkies Long Range: These radios walkie talkies typically reach 0.5-1.5 miles in regular conditions, and up to 3 miles in ideal conditions. Actual range varies with terrain and weather. With 22 channels and 121 privacy codes, you get 2,662 sec... read more
Weather Radio Raynic Solar Hand Crank Emergency Radio 5 Ways Powered AM/FM/SW/NOAA Weather Alert Portable Radio with Flashlight, Reading Lamp (Black-LCD Display)
$39.99 (as of September 15, 2024 04:53 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)AUTOMATIC NOAA WEATHER ALERT RADIO - This weather alert radio may save your life! Especially important at night while you are sleeping! It auto-scans for emergency and weather alerts when you turn the device on or in standby mode，and alert you if any... read more
Auto NOAA Emergency Weather Radio, Solar Hand Crank Radio,Portable Battery Operated Emergency Radio with AM FM Shortwave,USB Charger,LED Flashlight,Clock, SOS Alert for Home Outdoors Camping Survival
15% Off【Auto Scan NOAA Weather Alert & AM/FM/SW Radio Play】Upgraded from the CR1009 Version, this CR1009pro 𝗡𝗢𝗔𝗔 𝗪𝗲𝗮𝘁𝗵𝗲𝗿 𝗥𝗮𝗱𝗶𝗼 can get quick access to your favorite am fm band with auto scan function. After preset WX alert and set a timer, it can auto scan ... read more
Emergency Hand Crank Radio with LED Flashlight for Emergency, AM/FM NOAA Portable Weather Radio with 2000mAh Power Bank Phone Charger, USB Charged & Solar Power for Camping, Emergency
29% Off【HOME & OUTDOOR NECESSARY】As reported, we used to experience several times natural disasters per year like hurricanes"Harvey", Wildfire, and so on. The emergency weather Radio will keep your family safe through it all. This Weather Radio can timely r... read more
ROWSHEP (2-Pack) 4.8V 700mAh Ni-MH Battery Replacement for Cisco GA-cm, FA-NICD, Cobra FA-BP FA-CK GA-cm GA-CR GA-CT IXNN4002A
$19.99 (as of September 16, 2024 03:59 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)Replacement for Cobra FA-BP FRS Two Way Radio Battery Voltage: 4.8 Volts, Capacity: 700mAh, Chemistry: NiMH - Nickel Metal Hydride, Dimensions: L 1.58" (40.00mm) x W 1.58" (40.00mm) x H 0.40" (10.00mm) Compatible OEM Part Numbers: CS-MCL110TW, FA-NIC... read more
Sony ICF-P27 Portable Radio with Speaker and AM/FM Tuner
$24.99 (as of September 16, 2024 04:53 GMT +00:00 - More infoProduct prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on [relevant Amazon Site(s), as applicable] at the time of purchase will apply to the purchase of this product.)Integrated AM/FM radio tuner Built-in hand strap for increased portability Dedicated 3.5mm headphone jack for personal listening Play your favorite stations for everyone to hear with the integrated speaker Tune into stations with precision using the ... read more