Antenna Tuner Model 238
Description
Modified, reversible "L" network matches broad range of impedances with no false resonances. Handles 2 KW max. Built-in lighted meter (external 12 VDC required) monitors forward power on 200 or 2000 watt scales and SWR. Four position antenna switch for coax, single wire, or balanced line using built-in balun.
Reviews
Mods & Tips
- Eliminate the Need for 12v or Unlimited Bulb Life!
Additional Information
- Explanation of "L" Network vs. "T" Network by Scott Robbins, W4PA
Brochures
Specifications
- Circuit Type: Modified "L" Network
- Maximum RF Power: 2000 watts with a load impedance of 3000 ohms
- Frequency Range: 1.8 to 30 MHz
- Output Matching Range: At least 10:1 SWR, any phase angle.
- Maximum Impedance, Balanced Feedline: 500 ohms
- Input Impedance: 50 ohms, nominal
- Input/Output Connectors: Input and four antenna coax connectors are SO-239, UHF type. Studs with wing nuts for single wire and balanced feeders.
- Variable CAPACITOR VOLTAGE RATING: 3.5 kV
- Inductance: 28 uh silver plated roller inductor
- Size: HWD (in inches) 5.5 x 13 x 11 (13.9 x 33 x 27.9 cm)
- Weight: 9 lbs (4.1 kg.)