T0780-6CP RF/IF and RFID

Series:	T0780
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
RF Type:	--
Frequency:	800MHz ~ 1GHz
Number of Mixers:	1
Gain:	10dB
Noise Figure:	19dB
Secondary Attributes:	--
Current - Supply:	180mA
Voltage - Supply:	4.75 V ~ 5.25 V
Package / Case:	16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Supplier Device Package:	16-SSOP

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RF Mixers

A RF mixer is a three-port device used to convert RF signals between two different frequencies. Technical analysis and applications of a RF mixer can be done under the following categories:

T0780-6CP Application Field and Working Principle

The T0780-6CP RF mixer is developed for the use in the sophisticated industry systems. It is an ideal driven device for high dynamic range, low spurious level applications.

Structure and Characteristics

This RF mixer develops a device with the standard transistor structure. This device is applied with ceramic resonators and narrow band transformers to confuse the signal. It covers a large band of frequency that varies between 300 to 1 GHz. The typical include loss is 4 dB from the combined source and load impedance which makes it efficient in its task of usage and has a high dynamic range with low spurious level compared to other RF mixers.

Working Principle

The T0780-6CP functions by combining two different frequencies together so they become one and both the frequencies get mixed together. This process is possible because the three port device consists of two main connections to the external signals and one terminal to the ground. The external terminals are coupled with different frequencies while the ground will remain constant and acts as the third port. The source signal is driven through the reactance of the device where the signal is divided into two branches. This is done with the help of the two baluns and the other two resonators.

Hybrid Couplers

Hybrid couplers play an important role in the T0780-6CP’s working structure. They enable the coupling of signals to the two arm circuits, i.e., the transmitter and receiver. The fourth port is disabled to gain the maximum possible out. A high-quality narrowband transformer is used in the place of the fourth port to improve the performance in transmitting a signal.

Microwave Semiconductor Switching

The microwaves are the component that cannot be ignored in the system. These semiconductor switching elements enable the signal with the desired bandwidth, frequency translation, and amplification. These components boost the signal strength further. This RF mixer can be used to overcome the power constraints with the help of microwave semiconductor switching.

Applications

The T0780-6CP mixer is used in various sophisticated industry applications such as telecommunication, radar engineering, development of digital radio networks, etc. It can be also used in the signal transmission by air for the development of the best results.

Conclusion

Since this RF mixer works on two principle devices resonators and baluns which are designed to give a low insertion loss and high isolation at the desired frequency. This structure makes the device suitable for any programmable tasks even if the signal frequency changes. It is indeed an ideal device for high dynamic range and low spurious level applications.

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