HMC547LP3E

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HMC547LP3E is a high-isolation RF switch that has been designed to operate over frequencies of DC to 4000MHz. It operates with a low-power CMOS or TTL input utilizing a power off control. The HMC547LP3E provides 3 dB of isolation from 0 to 2500 MHz. This high-frequency RF switch is often used in sensitive wireless communication applications, specifically for switching RF or IF signals in frequency up or down from a moderately high frequency range.

The HMC547LP3E is especially suitable for use in military and aerospace applications, such as avionics, radar, and satellite communications. Due to its low-power operations, it can be included in prime-power surveillance or communication devices. The HMC547LP3E is also suitable for use in public safety, medical, and industrial applications.

The HMC547LP3E switch is made up of a RF input, a RF output, a control line, and an enable/disable pin. The input voltage and current is optimized to reduce the power consumption, making it suitable for battery-operated applications. The control line is used to either enable or disable the switch from the RF signal source. The enable/disable pin is used to control the power to the switch.

The HMC547LP3E uses one small integrated silicon die with RF input, RF output, and bias pins. This die structure allows it to be easily integrated into any system that requires a high performance miniaturized switch. It also has superior performance in terms of insertion loss and low output power compared to other switches.

The working principle of the HMC547LP3E is based on a three-terminal PIN diode configuration. A bias connection is used to switch the PIN diode from a low impedance to a high impedance state, thus blocking/passing the RF signal. The PIN diode is driven by a RF input signal, so the state of the switch can be changed quickly and reliably without the need for a separate power control. The bias connection also provides power control to reduce current consumption when the switch is in a disabled state. The device utilizes a bypass capacitor to reduce the insertion loss from the first-order harmonic.

The HMC547LP3E RF switch is an invaluable device in a variety of applications. Its low power operation, excellent RF performance, and small size make it ideal for use in many cases. It is suitable for numerous applications such as wireless communications, communications systems, radar systems, avionics, and satellite communications systems. The HMC547LP3E is a reliable and cost effective solution for RF applications.

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