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gu tube
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about gu tube on dxzone.com
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Antennas : W3DZZ
- Making the W3DZZ Video
- A video guide of how to make a high performance,low cost HF multiband antenna for the radio amateur and shortwave enthusiast.
Fantastic performance and low cost.
Video made by Mike (M0RRQ)
[Hits: 2640 | Votes: 5 | Rate: 5.40] Antennas : WiFi
- DirectionalWaveguide - Seattle Wireless
- Waveguide antenna is a type of DirectionalAntenna and is a modified waveguide. A waveguide is simply a tube, either rectangular or cylindrical in cross-section, that will carry a microwave radio signal with very low signal loss
[Hits: 4169 | Votes: 3 | Rate: 6.00] Antique Radios : Collections
- Vintage Radios
- Purveyor and Collector of Antique/Vintage Radios, Valves (Tubes) and Service Data for many radios.
Alba Bush Champion Cossor Dansette Decca Defiant Eddystone Ekco Emerson Etronic Eveready Ferguson Ferranti GEC Grundig HMV Invicta Kolster-Brandes Lissen Marconi Masteradio McMichael Mullard Murphy Pam Perdio Philco Philips Pilot Pye Regentone RGD Roberts Sobell Sony Stella Strad Ultra Vidor
[Hits: 9622 | Votes: 6 | Rate: 4.00] Antique Radios : Repair and Restoration
- Theoldradiofixerupperguy
- The guy is dedicated to the restoration of vintage tube-type radios. Restoration of broken Bakelite cabinets is his specialty.
[Hits: 1002 | Votes: 0 | Rate: 0.00] Internet and Radio : Video Manufacturers : Accessories
- Penninger Radio
- The home of the TIPPER a portable base system & the
CLAMP-IT series of mast clamps & the SNAP TUBES series of snap together mast tubes, Snap Tube Joiner, Guy Slip Ring.
[Hits: 704 | Votes: 2 | Rate: 10.00] Manufacturers : Tubes & Semiconductors
- Greenstone USA
Priority listing
- Manufacturer & distributor of vacuum tubes for all applications, we guarantee best service,pricing & delivery and we also guarantee sameday shipping.
[Hits: 549 | Votes: 4 | Rate: 10.00] Shopping and Services : Microwave
- TestParts Sales Company
- TestParts.com carries RF Microwave WiFi Coaxial Attenuators Coax Adapters Dummy Loads Waveguide Oscilloscope Probe Leads DMM Manuals RF Switch Relay SurplusSales Bristol Spline Pocket Toner Tubes Digicon Heliax RF Parts Oldaker Test Leads Silver PL-259s
[Hits: 526 | Votes: 4 | Rate: 8.00] Shopping and Services : RF Tubes
- Tubes for amplifiers
- Sales tubes for amplifiers like GS-23B,GS-31B,GS-35B,GU-34B,GU-43B,GU-74B,GU-84B. Include links to aplifier homebrew projects
[Hits: 1652 | Votes: 4 | Rate: 1.00] Technical Reference : Amplifiers
- Duncan's Amp Pages
- This is an internet resource for those interested in guitar amplifiers, vacuum tubes, and design tools such as SPICE modelling.
[Hits: 698 | Votes: 5 | Rate: 6.80] - Tuning up a tube-type amplifier properly
- This guide is primarily written for those who are new to HF tube-type amps, or anyone who wishes to get the most out a Linear amplifier.
[Hits: 528 | Votes: 2 | Rate: 10.00] - GU-43b Tetrode
- The GU-43B tetrode is used for wideband power amplification at frequencies up to 100 MHz in RF equipment. This tube is generally considered analogous to the 4CX1000.
[Hits: 290 | Votes: 0 | Rate: 0.00] - How to select a tube HF amplifier
- Excellent article and guide to choose the best RF power amplifier that fit your needs by ON4SKY
[Hits: 146 | Votes: 0 | Rate: 0.00] Technical Reference : Amplifiers : HF Amplifiers
- Ameritron AL-1200 to gs35b Conversion
- The Ameritron AL-1200 Amplifier is in current production. In its factory configuration it uses a single 3CX1200A7 (triode) tube, grounded grid configuration. Re-tubing the AL-1200 with a GS-35b with success.
[Hits: 1726 | Votes: 2 | Rate: 4.00] Technical Reference : Amplifiers : VHF Amplifiers Technical Reference : HF Radios
- 6L6 Transmitter
- 40 meters band 5 watts transmitter, uses a 6L6 with a 6X5 rectifier and a 0D3 voltage regulator tube on the screen.
[Hits: 502 | Votes: 0 | Rate: 0.00] Technical Reference : Vacuum tube
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