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229a [2007/10/06 19:23] n5na created |
229a [2008/05/02 01:35] n5na |
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====== Antenna Tuner Model 229A ====== | ====== Antenna Tuner Model 229A ====== | ||
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+ | ===== Description ===== | ||
+ | Adjustable reactive network used for matching the unbalanced 50 ohm output impedance of transmitters and transceivers to a variety of loads, either balanced or unbalanced. Covers 1.8 to 30 MHz. Provision for selecting one of four antennas or for bypassing the matching network. A dual range power and SWR meter is included. | ||
+ | |||
+ | ===== Mods & Tips ===== | ||
+ | *[[http://n6ie.com/Ten_Tec_238.html|N6IE High Power Improvement Mod]] | ||
+ | |||
+ | ===== Additional Information ===== | ||
+ | *[[t_vs_l|Explanation of "L" Network vs. "T" Network]] by Scott Robbins, W4PA | ||
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+ | |||
+ | ===== Specifications ===== | ||
+ | ***Circuit Type:** Modified "L" Network | ||
+ | ***Maximum RF Power:** 2000 watts | ||
+ | ***Frequency Range:** 1.8 to 30 MHz | ||
+ | ***Output Matching Range:** At least 10:1 SWR, any phase angle, 1.8 to 30 MHz. 3000 ohms maximum at full power. | ||
+ | ***Maximum Balanced Load (through the balun):** 500 ohms | ||
+ | ***Input Impedance:** 50 ohms, nominal | ||
+ | ***Capacitor Voltage Rating:** 3.5 kV | ||
+ | ***Inductor:** 18 uh silver plated roller inductor | ||
+ | ***Finish:** Dark painted front and rear, textured sides and top | ||
+ | ***Size:** HWD 5.5" x 13" x 11", overall | ||
+ | ***Weight:** 9 lbs |