WJ-772-33 WATKINS-JOHNSON Noise Solid Amplifier

Review WATKINS-JOHNSON Low Noise Solid State Amplifier

The Watkins-Johnson WJ-772-33 Noise Figure Solid State Amplifier is a high-performance device designed for RF and microwave applications that require excellent noise figure and linearity. This amplifier is part of Watkins-Johnson's YFA series, which is known for its exceptional quality and reliability.

The WJ-772-33 is a solid-state amplifier, which means it uses semiconductor devices to amplify signals as opposed to vacuum tubes or other types of tubes. This technology offers several advantages, including higher efficiency, longer lifetime, and improved stability.

As a noise figure amplifier, the WJ-772-33 is designed to minimize the noise contributed by the amplifier itself. Its noise figure, which is a measure of the noise added by the amplifier relative to the input signal, is typically less than 3.5 dB. This makes it an ideal choice for use in applications where low noise is critical, such as in communication systems and satellite ground stations.

The WJ-772-33 is a dual-channel amplifier, meaning it can amplify two signals independently. Each channel has a maximum output power of 1.5 watts, and the amplifier can operate over a wide frequency range of 3.6 to 8.4 GHz. The amplifier is also temperature stable, which means its performance remains consistent over a wide temperature range.

The WJ-772-33 is built to military-grade specifications and features high ruggedness, making it suitable for use in harsh environments. It also has an easy-to-use front panel interface, which allows users to monitor and adjust various parameters, such as output power, gain, and temperature. Additionally, the amplifier comes with built-in protection circuits to prevent damage from overvoltage, overcurrent, or temperature excursions.

Overall, the Watkins-Johnson WJ-772-33 Noise Figure Solid State Amplifier is an excellent choice for RF and microwave applications where low noise and linearity are essential. Its solid-state design, wide frequency range, and rugged construction make it a reliable and high-performing solution for a variety of applications.

WJ-772-33 Noise Figured Amplifier: A Comprehensive Analysis of Its Advantages and Disadvantages

The WJ-772-33 amplifier, manufactured by Watkins-Johnson, is a noise figure solid-state microwave amplifier designed for various applications, including satellite communication, radar systems, and test equipment. In this analysis, the focus will be on the advantages and disadvantages of this component for potential users.

1. Low Noise Figure: The most significant advantage of the WJ-772-33 amplifier is its exceptionally low noise figure. It produces only 0.33 dB of noise figure at 14 GHz, which makes it an ideal choice for applications that require high sensitivity and low noise levels, such as satellite communication and test measurements.

2. Large Output Power: With a maximum output power of 22 W and typical output power of 20 W, the WJ-772-33 amplifier offers significant output power to accommodate various downlink applications.

3. Extended Operating Temperature: This amplifier can operate at high temperatures, with a maximum recommended temperature of 70 C and an operating temperature range of -55 C to 70 C. This broad operating temperature range makes it suitable for various applications in harsh environments.

4. Low Input and Output Return Loss: The WJ-772-33 amplifier boasts low input (S11) and output (S22) return loss, which enables high isolation and minimal signal reflection to maintain efficient power transfer and preserve system performance.

5. Compact Size: Despite its robust features, the amplifier is relatively compact, which makes it easier to integrate into a system and reduces the requirement for additional space.

1. Power Consumption: The amplifier has a high power consumption of approximately 22 W maximum and 18 W typical, which can contribute significantly to overall system power requirements, leading to increased operational costs.

2. Size and Weight: Although it is compact for its power and performance specifications, the WJ-772-33 amplifier can still be relatively large and heavy compared to alternative solutions, which can add complexity and cost to system integration.

3. High Cost: Given its exceptional performance and advanced features, the WJ-772-33 amplifier comes at a premium price, making it a more expensive choice for some applications.

The WJ-772-33 noise figured amplifier from Watkins-Johnson offers a unique combination of a low noise figure, large output power, extended operating temperature range, and excellent return loss. Its compact size and rugged construction make it a versatile option for various applications. However, its high power consumption, size, and weight, as well as its relatively high cost, might deter some potential users from considering this option.

The WJ-772-33 amplifier's unmatched noise figure and output power highlight its strengths, making it an ideal choice for applications requiring high sensitivity and a low noise floor, such as satellite communication systems and demanding test equipment applications. However, users who prioritize minimal power consumption, size, weight, or cost should consider alternative, less powerful noise figured amplifiers or explore other amplifier architectures, such as low noise amplifiers or power amplifiers, depending on their specific application requirements.

Details:

Watkins-johnson low noise solid state amplifier WJ-772-33 power 20vdc freq 2.2-2.3 GHz tested, works. This item has been inspected and it is in good condition. Condition: used.

specifications genpurrelays:

• brand: Watkins-johnson
• mpn: Wj-772-33
• application: Industrial
• features: Auto-off
• type: Power Relay
• weight: 2.0000

seller genpurrelays:

• # reviews: 22125
• city: ventura, california
• rating: 99.7%

shipping genpurrelays:

• service: fedex ground or fedex home delivery, usps priority mail
• transit: 2-6 days
• type: calculated
• class: standard, expedited
• carrier: fedex, usps

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• paid by: buyer
• method: money back
• policy: returns accepted
• time: 30 days

offer genpurrelays:

• best offers: true
• options: ship-to-home
• in stock #: 1
• sold #: 27
• availability: in stock
• started: november 19, 2024
• price: $27.94
• item condition: Used

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general genpurrelays:

• category: Business & Industrial > Electrical Equipment Supplies > General Purpose Relays