Overview
The HMC641LC4 is a broadband non-reflective GaAs pHEMT SP4T (Single Pole Four Throw) switch manufactured by Analog Devices Inc. This component is housed in a compact 4x4 mm ceramic package and operates across a wide frequency range from DC to 20 GHz. It is designed to offer high isolation, low insertion loss, and on-chip termination of isolated ports, making it an ideal choice for various high-frequency applications.
Key Specifications
| Parameter | Frequency Range | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| Insertion Loss | DC - 12 GHz | 1.6 | 2.1 | 2.8 | dB |
| Insertion Loss | DC - 20 GHz | 2.3 | 3.0 | 3.5 | dB |
| Isolation (RFC to RF1 - RF4) | DC - 12 GHz | 30 | 35 | 42 | dB |
| Isolation (RFC to RF1 - RF4) | DC - 20 GHz | 30 | 35 | 40 | dB |
| Return Loss “On State” | DC - 12 GHz | 18 | - | - | dB |
| Return Loss “On State” | DC - 20 GHz | 17 | - | - | dB |
| Return Loss “Off State” | DC - 20 GHz | 13 | - | - | dB |
| Input Power for 1 dB Compression | 0.05 - 0.25 GHz | 10 | - | 15 | dBm |
| Input Power for 1 dB Compression | 0.25 - 20 GHz | 20 | - | 23 | dBm |
Key Features
- Broadband performance from DC to 20 GHz
- High isolation: up to 42 dB at 12 GHz
- Low insertion loss: 2.1 dB at 12 GHz
- On-chip termination of isolated ports
- Integrated 2:4 TTL decoder, reducing the number of required logic control lines from four to two
- Controlled with 0/-5V logic
- Fast switching speed and low DC current consumption
- Compact 4x4 mm ceramic package
Applications
- Telecom Infrastructure
- Microwave Radio & VSAT
- Military & Space Hybrids
- Test Instrumentation
- SATCOM & Sensors
Q & A
- What is the frequency range of the HMC641LC4 switch?
The HMC641LC4 operates from DC to 20 GHz. - What is the typical insertion loss of the HMC641LC4 at 12 GHz?
The typical insertion loss is 2.1 dB at 12 GHz. - What is the isolation of the HMC641LC4 at 12 GHz?
The isolation is up to 42 dB at 12 GHz. - How is the HMC641LC4 controlled?
The HMC641LC4 is controlled with 0/-5V logic. - What is the package size of the HMC641LC4?
The component is housed in a compact 4x4 mm ceramic package. - What are the typical applications of the HMC641LC4?
Typical applications include telecom infrastructure, microwave radio & VSAT, military & space hybrids, test instrumentation, and SATCOM & sensors. - Does the HMC641LC4 have an integrated decoder?
Yes, it includes an integrated 2:4 TTL decoder. - What is the return loss of the HMC641LC4 in the “On State” at 12 GHz?
The return loss in the “On State” is 18 dB at 12 GHz. - What is the input power for 1 dB compression at 0.05 - 0.25 GHz?
The input power for 1 dB compression is 10 dBm at 0.05 - 0.25 GHz. - Is the HMC641LC4 available in die form?
Yes, it is also available in die form as the HMC641.
