74129 Allicdata Electronics
Allicdata Part #:

74129-ND

Manufacturer Part#:

74129

Price: $ 0.69
Product Category:

RF/IF and RFID

Manufacturer:
Short Description: IC MIXER 5-18GHZ SMA CONNECTORS
More Detail: RF Mixer IC General Purpose SMA Connectors 5GHz ~ ...
DataSheet: 74129 datasheet74129 Datasheet/PDF
Quantity: 1000
1 +: $ 0.63000
Stock 1000Can Ship Immediately
$ 0.69
Specifications
Series: --
Packaging: Tape & Reel (TR) 
Part Status: Active
RF Type: General Purpose
Frequency: 5GHz ~ 18GHz
Number of Mixers: 1
Gain: --
Noise Figure: --
Secondary Attributes: SMA Connectors
Current - Supply: --
Voltage - Supply: --
Package / Case: --
Supplier Device Package: --
Description

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The 74129 is a type of RF mixer that is designed to convert radio frequency (RF) signals from one frequency to another. It is typically used in telecommunications and broadcast systems to enable signals to be transmitted or received on different frequencies. The main function of an RF mixer is to combine signals from two different frequency sources, resulting in an output signal with components at frequencies that are the sums and differences of both input sources. This type of mixer is also known as a translation mixer, or amplitude modulator.

The 74129 RF mixer is a balanced, double-balanced diode mixer. It is configured as a three-terminal, dual diode device, with an additional voltage control terminal. The mixer uses two active and two passive elements to convert a desired input frequency to an output frequency. The active elements, called signal ports, are where the input signal is connected. The passive elements are used to control the mixing operation.

The mixer consists of two pairs of identical diodes that act as the active elements. The diodes are usually constructed from a gallium arsenide material, as it is capable of supporting high frequency signals while still having low-noise characteristics. Each pair of diodes is connected to a control port. The control ports are typically configured using a DC voltage or current source to control the diode bias. This bias determines the amount of mixing between the two signal ports.

In operation, the two signal ports are connected to the two different input signals. The control ports are then biased in such a way that the two pairs of diodes are alternately switched between their two possible states. This switching causes the current through each diode to also switch, which in turn produces an RF signal at the output. The resulting output signal is a mix of the two input signals, and is at a different frequency than either input signal.

The output frequency can be controlled by adjusting the bias on the control ports. Increasing the bias voltage or current will increase the amount of mixing between the two input signals, and thus increase the frequency of the output signal. Conversely, reducing the bias voltage will reduce the amount of mixing and thus decrease the frequency of the output signal.

Due to its versatility and low-noise characteristics, the 74129 RF mixer is used in a wide range of applications in the telecom and broadcast industries. It is often used in repeaters and base stations to amplify low signal levels and increase the signal to noise ratio. Additionally, the mixer can be used to generate a wide range of frequencies for use in broadcasting, modulating, and demodulating signals.

In summary, the 74129 is a type of RF mixer that is used to convert radio frequency signals from one frequency to another. It is a balanced, double-balanced diode mixer that uses two pairs of diodes connected to control ports. The mixer is used in broadcasting and telecommunications applications to amplify low signal levels and generate a variety of frequencies. It is highly versatile and has low-noise characteristics, making it ideal for use in a wide range of applications.

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

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