ADL5356ACPZ-R2

更新时间： 2024-02-25 07:56:31

品牌	Logo	应用领域
亚德诺 - ADI		放大器
页数	文件大小	规格书
24页	399K
描述
1200 MHz to 2500 MHz, Dual-Balanced Mixer, LO Buffer, IF Amplifier, and RF Balun

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ADL5356ACPZ-R2 数据手册

ADL5356

The performance of this amplifier is critical in achieving a

high intercept passive mixer without degrading the noise floor

of the system. This is a critical requirement in an interferer rich

environment, such as cellular infrastructure, where blocking

interferers can limit mixer performance. The bandwidth of the

intermodulation performance is somewhat influenced by the

current in the LO amplifier chain. For dc current sensitive

applications, it is permissible to reduce the current in the LO

amplifier by raising the value of the external bias control resistor.

For dc current critical applications, the LO chain can operate

with a supply voltage as low as 3.3 V, resulting in substantial

dc power savings.

LO SUBSYSTEM

The LO amplifier is designed to provide a large signal level to

the mixer to obtain optimum intermodulation performance.

The resulting amplifier provides extremely high performance

centered on an operating frequency of 1700 MHz. The best

operation is achieved with either low-side LO injection for RF

signals in the 1700 MHz to 2500 MHz range or high-side injection

for RF signals in the 1200 MHz to 1700 MHz range. Operation

outside these ranges is permissible, and conversion gain is

extremely wideband, easily spanning 1200 MHz to 2500 MHz,

but intermodulation is optimal over the aforementioned ranges.

The ADL5356 has two LO inputs permitting multiple synthesizers

to be rapidly switched with extremely short switching times

(<40 ns) for frequency agile applications. The two inputs are

applied to a high isolation SPDT switch that provides a constant

input impedance, regardless of whether the port is selected, to

avoid pulling the LO sources. This multiple section switch also

ensures high isolation to the off input, minimizing any leakage

from the unwanted LO input that may result in undesired IF

responses.

In addition, when operating with supply voltages below 3.6 V, the

ADL5356 has a power-down mode that permits the dc current

to drop to <300 μA.

The logic inputs are designed to work with any logic family that

provides a Logic 0 input level of less than 0.4 V and a Logic 1

input level that exceeds 1.4 V. All logic inputs are high impedance

up to Logic 1 levels of 3.3 V. At levels exceeding 3.3 V, protection

circuitry permits operation up to 5.5 V, although a small bias

current is drawn.

The single-ended LO input is converted to a fixed amplitude

differential signal using a multistage, limiting LO amplifier. This

results in consistent performance over a range of LO input power.

Optimum performance is achieved from −6 dBm to +10 dBm,

but the circuit continues to function at considerably lower levels

of LO input power.

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与ADL5356ACPZ-R2相关器件

型号	品牌	描述	获取价格	数据表
ADL5356ACPZ-R7	ADI	1200 MHz to 2500 MHz, Dual-Balanced Mixer, LO Buffer, IF Amplifier, and RF Balun	获取价格
ADL5356-EVALZ	ADI	1200 MHz to 2500 MHz, Dual-Balanced Mixer, LO Buffer, IF Amplifier, and RF Balun	获取价格
ADL5357	ADI	500 MHz to 1700 MHz Balanced Mixer, LO Buffer, IF Amplifier, and RF Balun	获取价格
ADL5357ACPZ-R7	ADI	500 MHz to 1700 MHz Balanced Mixer, LO Buffer, IF Amplifier, and RF Balun	获取价格
ADL5357ACPZ-WP	ADI	500 MHz to 1700 MHz Balanced Mixer, LO Buffer, IF Amplifier, and RF Balun	获取价格
ADL5357-EVALZ1	ADI	500 MHz to 1700 MHz Balanced Mixer, LO Buffer, IF Amplifier, and RF Balun	获取价格

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