1. Ham, Amateur Radio Communication For Sale
  2. sku: 619729325504381
  3. JOHNSON 250-38

JOHNSON 250-38 Swr Meter Directional Coupler 250-37

250-38 Johnson Swr Meter Directional Coupler

( Brand: Johnson ), ( Manufacturer Part Number: 250-38 ), ( Country/region Of Manufacture: United States ), ( Type: Swr Meter )

Review JOHNSON Swr Meter Directional Coupler

The 250-37 Johnson 250-38 SWR Meter Directional Coupler is a high-quality, versatile component designed for use in various RF applications. This directional coupler is designed to provide accurate and reliable measurements of the standing wave ratio (SWR) and forward power in RF systems.

The 250-37 Johnson 250-38 SWR Meter Directional Coupler is a 4-port device, with two ports used for the input and output signals, and two additional ports for the measuring and reference signals. The coupler is designed to provide a high isolation between the input and output ports, ensuring that the measurement is not influenced by any reflections from the load.

The coupler is rated for a frequency range of 250 MHz to 3 GHz, making it suitable for use in a wide range of RF applications, including wireless communication systems, satellite systems, and microwave links. The coupler is also designed to handle high power levels, with a maximum input power rating of 37 dBm.

The 250-37 Johnson 250-38 SWR Meter Directional Coupler is made from high-quality materials, including ceramic and metal, to ensure durability and reliability in harsh RF environments. The coupler is also designed to be easy to use, with a compact and lightweight design that makes it easy to install and integrate into RF systems.

Overall, the 250-37 Johnson 250-38 SWR Meter Directional Coupler is a powerful and versatile tool for measuring SWR and forward power in RF systems. Its high power rating, wide frequency range, and high isolation make it suitable for a wide range of applications, while its compact and durable design make it easy to use and integrate into existing RF systems. Whether you're working in a wireless communication system, a satellite system, or a microwave link, this directional coupler is an essential tool for ensuring accurate and reliable RF measurements.

Pros of buying a 250-37 Johnson 250-38 SWR meter directional coupler:

1. Accurate measurements: The coupler is designed to provide accurate and reliable SWR (Standing Wave Ratio) measurements, which is essential for optimizing the performance of antenna systems.

2. Wide frequency range: The coupler has a wide frequency range of 250 MHz to 3800 MHz, making it suitable for a wide range of applications, including amateur radio, broadcasting, and wireless communication systems.

3. Durable construction: The coupler is made of high-quality materials and is designed to withstand harsh environmental conditions, ensuring long-term reliability and durability.

4. Easy to use: The coupler is easy to use and install, with clear instructions and easy-to-read displays.

5. Affordable price: The coupler is competitively priced, making it an affordable option for hobbyists and professionals alike.

Cons of buying a 250-37 Johnson 250-38 SWR meter directional coupler:

1. Limited bandwidth: While the coupler has a wide frequency range, it may not provide the same level of accuracy at the edges of the range as it does in the middle.

2. Requires calibration: Like any SWR meter, the coupler requires regular calibration to ensure accurate measurements.

3. May not be suitable for high-power applications: The coupler is not designed for high-power applications, and using it with high power can damage the device.

Conclusion:

The 250-37 Johnson 250-38 SWR meter directional coupler is a reliable and affordable option for measuring SWR in a wide range of applications. Its wide frequency range, durable construction, and easy-to-use design make it a popular choice among hobbyists and professionals. However, it is important to note that it may not provide the same level of accuracy at the edges of its frequency range, and it is not suitable for high-power applications. Therefore, it is essential to consider the specific requirements of your application before making a purchase.

Recommendation:

If you are looking for an affordable and reliable SWR meter directional coupler with a wide frequency range, the 250-37 Johnson 250-38 SWR meter directional coupler is a good option to consider. However, it is essential to ensure that it meets the specific requirements of your application and to follow the manufacturer's instructions for use and calibration to ensure accurate measurements.

Details:

Meter is untested estate find. Vintage used Johnson swr meter with directional coupler.

5 inches diameter, 38 cable to coupler.

part #: 25038 prices

  • $45.00-$80.00

specifications hamamateuradio:

  • brand: Johnson
  • mpn: 250-38
  • country/region of manufacture: United States
  • type: Swr Meter

Returns hamamateuradio:

  • policy: no returns

General hamamateuradio:

  • condition: Used
  • in stock: Yes
  • consumer electronics > radio communication electronics > ham amateur radio communication

Ratings:

  1. Recommend 08-29-18
  2. Great communication. A pleasure to do business with. 08-28-18
  3. Tested 70/100 Precision 612 tube tester. Looking forward to doing business w/you 08-29-18
  4. Quick response and fast payment. Perfect! THANKS!! 08-28-18

Offer hamamateuradio:

  • quantity: 1
  • Started: August 29, 2018, 11:11 am
  • bids: 0
  • best offer: true
  • Sold: 0

Payments hamamateuradio:

  • PayPal

Shipping hamamateuradio:

  • type: Flat
  • handling: 1 days
  • cost: $12.5

Seller hamamateuradio:

  • zipcode: 97504
  • city: Medford, Oregon
country/region of manufacture: united states, type: swr meter,
category: electronics > radio communication electronics > ham amateur radio communication, sku: 619729325504381,
Review#1 Recommend ()
Review#2 Great communication. A pleasure to do business with. ()
Review#3 Tested 70/100 Precision 612 tube tester. Looking forward to doing business w/you ()
Review#4 Quick response and fast payment. Perfect! THANKS!! ()
Johnson 250-38 Is Similar To:
  • (74.3% similar) These items are probably 50 years old and were acquired at a ham radio flea market ham fest. E f Johnson directional coupler with Amoco Bi meter. These are used together to determine swr. These items will only be sold together. E f Johnson matchbox tuners use this device as a sensor in their swr ...(July 26th, 2016)
  • (31.9% similar) Please look at all pictures closely before purchasing. I am not an operator and don't have the knowledge to fully test myself. I do a lot of business with them and they always have well cared for gear. Photos are the best. Everything you see in the pictures is what included this lot. Not saying it ...(November 2nd, 2024)
  • (34.7% similar) Let me know if theres something in particular you'd like to see listed. Used panel meter assembly in good condition, as shown. Two shipping options are available. Johnson part number 22.939-2; viking ranger item m1 panel meter with 23.1004-3 CH12 shield and attached indicator capacitor components...(December 4th, 2024)
  • (37.6% similar) Johnson part number 22.847-2; viking ranger item SW5. Two shipping options are available. Used meter switch pulled from equipment. Let me know if theres something in particular you'd like to see listed...(December 6th, 2024)
  • (38.9% similar) Original box has moderate shelf wear.: appears to be new old stock, not used. 250-24 swr bridge 52 ohms in original box. Johnson catalog no. This accessory came from an SK estate. Please view photographs of the actual item for sale and read condition. Includes instruction manual has folds...(February 6th, 2025)
hamamateuradio logo
4 offers $45.00–$80.00 USD
  • Used. Offer #1 priced at $45.00 + $15.10 shipping estimate = $60.10* total. Notice some scratches on lens. Used.+$15.10 shipping
  • Used. Offer #2 priced at $80.00 + $16.45 shipping estimate = $96.45* total. Would be idea as replacements to fix an old Johnson KW antenna tuner as well. Both the meter and the directional coupler work.+$16.45 shipping
  • Open box. Offer #3 priced at $65.00 + $0.00 shipping estimate = $65.00* total. Each will come just as seen in the photos E.F.FREE SHIPPING
  • Used. Offer #4 priced at $65.00 + $0.00 shipping estimate = $65.00* total. 07 Vintage EF Johnson Power/Station Wave Ratio Meter Part Number .FREE SHIPPING

Copyright © hamamateuradio.com