Antenna Tuner Model 229B

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.

• N6IE High Power Improvement Mod

• Explanation of "L" Network vs. "T" Network by Scott Robbins, W4PA

• 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