4448-30L

DC Resistance (DCR) - Parallel:	696 mOhm Max
Height:	0.310" (7.87mm)
Size / Dimension:	0.530" L x 0.530" W (13.46mm x 13.46mm)
Package / Case:	Nonstandard
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 125°C
Ratings:	--
Shielding:	Unshielded
DC Resistance (DCR) - Series:	2.784 Ohm Max
Series:	4448
Current Rating - Series:	320mA
Current Rating - Parallel:	640mA
Tolerance:	±15%
Inductance - Connected In Series:	600µH
Inductance - Connected In Parallel:	150µH
Number of Coils:	2
Part Status:	Active
Packaging:	Tape & Reel (TR)

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Arrays

A 4448-30L array is a network of array elements, providing electrical boundary measurements, which can be used to detect and measure signals within the frequency range of 0-30MHz. The array is designed to be used in both commercial and industrial radio frequency (RF) applications, including tests for antenna systems, base station propagation measurements, antenna pattern performance testing, and radar systems.The 4448-30L array consists of multiple antenna elements spaced at constant intervals to form an equidistant antenna array. It is built with an open circuit boundary (OCB) structure, meaning that RF currentflows through the antenna array one way. This ensures that the measured signals are not distorted, as the same currentwill enter and exit the array during the entire measurement process. The antenna elements are also designed with a precise specification, so that each element will contribute to the overall performance of the array.

Signal Transformers

The 4448-30L array is used with signal transformers to provide a reliable and accurate measuring system. Signal transformers provide an efficient and safe way to measure RF signals, allowing them to be accurately amplified and converted to be more easily interpreted by data analysis software.Signal transformers work by changing the electric current in one direction, allows a safe way to measure signals without introducing any noise. By connecting the signal transformer to the 4448-30L array, the individual antenna elements of the array transmit the signal as an electric current. This current is then converted into a digital format, allowing it to be analyzed by data analysis software.Signal transformers are also used to introduce isolation between the 4448-30L array and the system being tested. This ensures that the measurement environment does not become affected by any external interference and that the array can accurately measure the desired RF signals.

Working Principle

The 4448-30L array has a working principle that is both simple and reliable. The antenna elements are connected in an OCB configuration, meaning that the same current will flow through the array from the first element to the last. When an RF signal is applied to the array, it flows through each element of the array and is then converted into a digital format. This digital format can then be analyzed by data analysis software, which allows the signal to be accurately measured and monitored.The signal transformer is also connected to the array, allowing the signal to be isolated from any external interference. The signal is then amplified and converted into a more easily interpreted format, while ensuring that the measured signal is not distorted by any external interference.In conclusion, the 4448-30L array is a reliable and accurate measuring system that is designed for commercial and industrial RF applications. It is built with an OCB configuration, allowing RF signals to be accurately measured without introducing any noise. Additionally, signal transformers provide an efficient and safe way to measure RF signals, allowing them to be accurately amplified and converted to be more easily interpreted by data analysis software.

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