Overview
The HMC253ALC4 is a non-reflective Single-Pole, Eight-Throw (SP8T) switch designed and manufactured by Analog Devices Inc. This component is housed in a leadless, RoHS compliant 4x4 mm ceramic Surface Mount Technology (SMT) package. It features wideband operation from DC to 3.5 GHz, making it highly versatile for various RF and microwave applications. The switch is built with a GaAs Monolithic Microwave Integrated Circuit (MMIC) and includes an integrated 3:8 TTL/CMOS decoder, which simplifies control by requiring only three control lines and a positive bias to select each path.
Key Specifications
| Parameter | Frequency Range | Typical Value | Units |
|---|---|---|---|
| Insertion Loss | DC - 2.0 GHz | 1.1 | dB |
| Insertion Loss | DC - 3.0 GHz | 1.6 | dB |
| Insertion Loss | DC - 3.5 GHz | 1.9 | dB |
| Isolation | DC - 2.0 GHz | 38 | dB |
| Isolation | DC - 3.0 GHz | 34 | dB |
| Isolation | DC - 3.5 GHz | 30 | dB |
| Return Loss (On State) | 0.3 - 3.0 GHz | 13 | dB |
| Return Loss (On State) | 0.3 - 3.5 GHz | 10 | dB |
| Return Loss (Off State) | 0.3 - 3.5 GHz | 10 | dB |
| Input Power for 1 dB Compression | 0.5 - 3.5 GHz | 20 | dBm |
| Input Third Order Intercept | 0.5 - 3.5 GHz | 40 | dBm |
| Switching Characteristics (tRISE, tFALL) | 0.3 - 3.5 GHz | 30 ns | ns |
| Switching Characteristics (tON, tOFF) | 0.3 - 3.5 GHz | 100 ns | ns |
Key Features
- Non-reflective topology ensuring low insertion loss and high isolation.
- Single positive supply voltage of +5V.
- True TTL/CMOS compatibility with 0/+3V control logic.
- Integrated 3:8 TTL/CMOS decoder requiring only three control lines.
- Wideband operation from DC to 3.5 GHz.
- Leadless, RoHS compliant 4x4 mm ceramic SMT package.
- Low switching times: tRISE and tFALL of 30 ns, tON and tOFF of 100 ns.
Applications
- Basestations and Repeaters.
- WiMAX/WiBro and Fixed Wireless Infrastructure.
- Cellular/3G Infrastructure.
- CATV/DBS Systems.
- Military and High-Reliability Applications.
Q & A
- What is the frequency range of the HMC253ALC4 switch?
The HMC253ALC4 operates from DC to 3.5 GHz. - What is the typical insertion loss of the HMC253ALC4?
The typical insertion loss is 1.1 dB at DC - 2.0 GHz, 1.6 dB at DC - 3.0 GHz, and 1.9 dB at DC - 3.5 GHz. - What is the isolation of the HMC253ALC4?
The isolation is typically 38 dB at DC - 2.0 GHz, 34 dB at DC - 3.0 GHz, and 30 dB at DC - 3.5 GHz. - What is the return loss of the HMC253ALC4 in the on state?
The return loss in the on state is typically 13 dB from 0.3 - 3.0 GHz and 10 dB from 0.3 - 3.5 GHz. - What is the input power for 1 dB compression?
The input power for 1 dB compression is 20 dBm from 0.5 - 3.5 GHz. - What is the input third order intercept point?
The input third order intercept point is 40 dBm from 0.5 - 3.5 GHz. - What are the switching characteristics of the HMC253ALC4?
The switching characteristics include tRISE and tFALL of 30 ns, and tON and tOFF of 100 ns. - What is the package type and size of the HMC253ALC4?
The HMC253ALC4 is packaged in a leadless, RoHS compliant 4x4 mm ceramic SMT package. - Is the HMC253ALC4 compatible with TTL/CMOS logic?
Yes, the HMC253ALC4 is compatible with TTL/CMOS logic and operates with 0/+3V control. - What are some typical applications of the HMC253ALC4?
Typical applications include basestations, WiMAX/WiBro, cellular/3G infrastructure, CATV/DBS, and military/high-reliability applications.
