
( Brand: Inrad ), ( Manufacturer Part Number: CWFILTER ), ( Country/region Of Manufacture: United States ), ( Type: Filter )
The INRAD 98 CW Filter, specifically modeled as the Ts120-130-430-440-180-820, is a high-performance, 8-pole crystal filter designed for continuous wave (CW) applications. This filter is optimized to operate at a center frequency of 400 MHz with a bandwidth of 8830 kHz, making it ideal for various communications and radio frequency (RF) applications.
The Ts120-130-430-440-180-820 CW Filter features a 50 ohm impedance, ensuring compatibility with standard RF equipment and coaxial cables. Its 8-pole design provides excellent selectivity and rejection of out-of-band signals, resulting in improved signal-to-noise ratio (SNR) and overall system performance.
The filter is constructed using high-quality quartz crystals, ensuring long-term stability and reliability. The crystals are precision-cut to ensure precise resonance frequencies and bandwidth, ensuring excellent filter performance. The filter housing is made of durable materials, designed to withstand harsh environmental conditions and provide robust protection for the internal components.
The INRAD 98 Ts120-130-430-440-180-820 CW Filter is a versatile solution for a wide range of CW applications, including amateur radio, military communications, and scientific research. Its high performance, stability, and durability make it a reliable choice for professionals and hobbyists alike.
The Inrad 98 400Hz 8830kHz CW 8-pole Crystal Filter (TS120-130-430-440-180-820) is a specialized piece of equipment used in radio communication, particularly in CW (continuous wave) operations. Let's analyze its pros and cons:
Pros:1. High Q Factor: The 8-pole design of this filter provides a high Q factor, which means it has a narrow bandwidth and high selectivity, making it ideal for CW operations.
2. Frequency Coverage: The filter covers a wide range of frequencies (120-180 MHz, 430-440 MHz, and 820 MHz), making it versatile for various CW applications.
3. Precision: Inrad is known for its precision in manufacturing, ensuring that the filter's specifications are met to a high degree of accuracy.
4. Durability: Inrad filters are known for their durability, with a long lifespan and resistance to harsh environmental conditions.
Cons:1. Cost: The filter is relatively expensive compared to other filters due to its high Q factor and wide frequency coverage.
2. Size: The filter may be larger than some other filters due to its 8-pole design, which could be a disadvantage for portable or handheld applications.
3. Complexity: The 8-pole design might be more complex to tune and adjust than simpler filters, requiring more expertise to use effectively.
Conclusion:The Inrad 98 400Hz 8830kHz CW 8-pole Crystal Filter (TS120-130-430-440-180-820) is a high-quality, versatile filter suitable for CW operations. Its high Q factor, wide frequency coverage, and precision manufacturing make it a valuable tool for radio enthusiasts and professionals. However, its cost, size, and complexity might be drawbacks for some users. If these factors do not pose significant issues, this filter is an excellent choice for its performance and durability.
This unit is in excellent condition and warranted fully functional. Inrad 98 400hz 8830 khz cw 8 pole crystal filter - ts120 820 an excellent narrow for a lot of ken wood radios. Solder in filter - will work the 180s, 430s, 440s, 530s, 830s, r-50 120 series, 130 series and others.
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TN for your interest on this item.