Premium Only Content
This video is only available to Rumble Premium subscribers. Subscribe to
enjoy exclusive content and ad-free viewing.

Battery-Drive Single tube AM Transmitter
3 years ago
9
Can tubes work with 10V B+ or around? The answer is 'YES!'. Most of tubes can work with far below the data sheets. Here I show an example as Single tube Amplitude Modulator that works 4 of AA NiH Battery (Heater/B+) and 6F22 006P 9V Dry Battery (B+). This 5BK7A MW Band modulator can output 530-770kHz, 60% modulation depth, Max. 4.5Vpp radio wave with the battery power. If changing the heater voltage, various other double triodes can also work, such as 12BH7A, 9AU7, 8CG7, 6N6P, 4BQ7A, ... etc
--- (c) 2021 Osamu Terao, Allrights reserved ---
Loading comments...
-
41:27
CarlCrusher
20 hours agoThunder Strike Ranch | Path of the Skinwalker | Episode 4
1.04K5 -
DVR
ÆƗŞ ҜΔŁŦ: ƗĐƗØŦ ǤΔΜ€Ř
3 hours agoI need to kill some stuff. Come watch, or don't, whatever.
501 -
26:45
Lacey Mae ASMR
11 hours agoASMR Blind Box Opening! [FNAF, Crystals, Aphmau and More!]
1.74K3 -
9:25
MattMorseTV
17 hours ago $14.54 earnedMayorkas is in HOT WATER.
36.1K133 -
3:49:08
Side Scrollers Podcast
1 day agoSTOP KILLING GAMES CRUSHES GOAL + OUR FINAL SHOW BEFORE SUMMER BREAK | Side Scrollers Live
46.4K4 -
10:39
NikkoOrtiz
18 hours agoCooked TikTok Fails... Part 2
42.4K14 -
17:02
GritsGG
16 hours agoBest Warzone Bundle Ever? Happy 4th of July!
25.6K3 -
LIVE
Lofi Girl
2 years agoSynthwave Radio 🌌 - beats to chill/game to
282 watching -
23:30
The Pascal Show
18 hours ago $2.90 earned‘I FEAR FOR MY LIFE!’ Diddy’s Ex-Chef Speaks Out After Explosive Verdict!”
17.3K5 -
5:45:57
MyronGainesX
18 hours ago $19.74 earned7/4 Merch Drop, Iran Checkmates US? HasanAbi Big Beautiful Bill MELTDOWN And More!
51.4K29