HMC425LP3 Allicdata Electronics
Allicdata Part #:

HMC425LP3-ND

Manufacturer Part#:

HMC425LP3

Price: $ 0.00
Product Category:

RF/IF and RFID

Manufacturer: Analog Devices Inc.
Short Description: ATTENUATOR DGTL 6BIT 3X3QFN
More Detail: RF Attenuator 0.5dB ~ 31.5dB 2.2GHz ~ 8GHz 50 Ohm...
DataSheet: HMC425LP3 datasheetHMC425LP3 Datasheet/PDF
Quantity: 1000
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Series: --
Part Status: Obsolete
Attenuation Value: 0.5dB ~ 31.5dB
Frequency Range: 2.2GHz ~ 8GHz
Power (Watts): --
Impedance: 50 Ohms
Base Part Number: HMC425
Description

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Attenuators are devices used to reduce the power of an electrical signal without introducing distortions, generally by reducing the amplitude of the signal. The HMC425LP3 is a type of attenuator and it is designed to provide precise, adjustable power attenuation in microwave signal processing applications. This device is designed for a wide variety of signal processing applications, from DC to 40 GHz.

The HMC425LP3 provides excellent signal attenuation accuracy and repeatability over temperature. It utilizes three asymmetrically balanced PIN diode attenuator sections and lowpass filters for reducing gain variations due to temperature and source impedance mismatch. Each section consists of a PIN diode attenuator and a thermistor-based matching network which allows for precise control of the signal amplitude.

The HMC425LP3 has three switching states that can be controlled externally via separate logic signals. The output power can be adjusted using one of two logic signals. It also has a manual control pin that can be used to manually adjust the attenuator level. Since the manual control pin is passive, it can be used without having to make adjustments on the logic signals.

The HMC425LP3 is well suited for applications where precise attenuation control is required, such as satellite communications, point-to-point digital radio, and base station RF systems. The device can be used to fine-tune the RF signal for optimal performance and signal integrity. It can also be used in applications where a wide range of linearity is required, such as RF modems, mobile base station architectures, and other high-performance wireless system architectures.

The HMC425LP3 is a three-section attenuator designed for signal power reduction up to 30dB. Its working principle is based on the Principle of Maximum Power Transfer. According to this principle, the maximum power transfer between two systems occurs when the impedance of the source is matched to the impedance of the load. The HMC425LP3 is designed to minimize reflections and unwanted power losses due to mismatches in impedance between the source and load.

The HMC425LP3’s three sections employ PIN diodes for precise control of the signal power, low-pass filters to prevent unwanted oscillations and distortions, and thermistors for temperature and source impedance mismatch compensation. The device is designed to provide an input—output isolation of 50 dB and a net group delay flatness of ±1 ns. It supports an operating temperature range of –40°C to +85°C.

The HMC425LP3 is a versatile device with a wide range of applications. It is an ideal choice for a variety of signal processing applications, from DC to 40 GHz. The device can be used to optimize signal integrity and minimize reflections in high-performance wireless systems. It is also well suited for applications in satellite communications, point-to-point digital radio and base station RF systems.

The specific data is subject to PDF, and the above content is for reference

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