
( Brand: Mossman ), ( Manufacturer Part Number: 972800-1 ), ( Part Type: Attenuator )
The 972800-1 355B VHF Attenuator, manufactured by Mossman, is an exceptional piece of equipment designed for use with Hewlett-Packard 500 series high power amplifiers, specifically the HP 50 HP model. This attenuator is a crucial component in any radio frequency (RF) system, allowing for precise control and regulation of input signal strength.
The 355B VHF Attenuator is a 50-watt unit, capable of handling high power levels without compromise. Its construction is robust and reliable, featuring a durable aluminum alloy housing that ensures heat dissipation and resists corrosion and damage. The attenuator is designed with a high-quality, ferrite-cored toroidal transformer, which provides excellent attenuation accuracy and stability over a wide frequency range, typically between 144 MHz and 155 MHz.
The 972800-1 355B VHF Attenuator offers a wide attenuation range, allowing for precise control of RF signals. It is calibrated in 1 dB steps, providing excellent precision and repeatability. The attenuator features a robust and easy-to-use rotary control knob, which allows for simple and accurate adjustments.
The unit is designed for easy installation and integration into any RF system. It features a standard 50 impedance, ensuring compatibility with a wide range of equipment. The attenuator is also equipped with a safety relay, which disconnects the input signal in the event of an overvoltage condition, protecting both the attenuator and the connected equipment.
In summary, the 972800-1 355B VHF Attenuator is a high-quality, reliable, and precise RF signal control device. Its robust construction, wide frequency range, accurate attenuation, and easy installation make it an excellent choice for those requiring a reliable solution for high power VHF applications, such as in ham radio, broadcasting, or military communications.
The Hewlett-Packard (HP) 500 VHF Attenuator with model number 972800-1 355B, manufactured by Mossman, is a high-power device designed for use in various radio frequency (RF) applications. Here are some pros and cons to consider before making a purchase:
Pros:1. High Power Rating: With a 50 HP rating, this attenuator can handle high power levels, making it suitable for use in commercial and industrial applications.
2. Wide Frequency Range: The attenuator supports a wide frequency range of 20 MHz to 1 GHz, making it versatile for use in various VHF applications.
3. Calibrated and Precise: The attenuator is calibrated and provides precise attenuation levels, ensuring accurate signal loss measurements.
4. Built to Last: HP and Mossman are known for their high-quality products, and this attenuator is no exception. The device is built to withstand harsh environmental conditions, ensuring reliable performance over time.
Cons:1. High Cost: Due to its high power rating and wide frequency range, this attenuator is more expensive than lower-power alternatives.
2. Size and Weight: As a high-power device, the attenuator is larger and heavier than lower-power models, which may make it less portable.
3. Requires Expert Installation: Due to its high power rating and precision requirements, the attenuator should be installed by a trained professional to ensure safe and proper operation.
Conclusion:The HP 500 VHF Attenuator is a high-quality, high-power device suitable for use in various RF applications. Its wide frequency range, precision, and robust build make it a reliable choice for professionals. However, its high cost and size may make it less suitable for hobbyists or those with limited budgets or space constraints. If you require a high-power attenuator for commercial or industrial applications, this device is worth considering. If you have less demanding needs or a tighter budget, lower-power alternatives may be more suitable.
Hewlett packard vhf attenuator 355B. 5 watt, 50 ohm, dc 500mc unit is untested.