Overview
The HMC641A, including the HMC641-SX model, is a broadband non-reflective GaAs (Gallium Arsenide) PHEMT (Pseudomorphic High Electron Mobility Transistor) single-pole, four-throw (SP4T) switch chip produced by Analog Devices Inc. This component covers a wide frequency range from DC to 18 GHz, offering high isolation and low insertion loss, making it ideal for various high-frequency applications.
Key Specifications
| Parameter | Frequency Range | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| Insertion Loss | DC - 12 GHz | 1.8 | 2.1 | 2.8 | dB |
| Insertion Loss | DC - 18 GHz | 2.1 | 2.8 | 3.1 | dB |
| Isolation (RFC to RF1 - RF4) | DC - 12 GHz | 39 | 42 | 40 | dB |
| Isolation (RFC to RF1 - RF4) | DC - 18 GHz | 37 | 42 | 40 | dB |
| Return Loss “On State” | DC - 12 GHz | 12 | 15 | 14 | dB |
| Return Loss “Off State” | DC - 18 GHz | 12 | 15 | - | dB |
| Input Power for 1 dB Compression | 2.05 - 18 GHz | 21 | 24 | - | dBm |
| Input Third Order Intercept (IP3) | 500 MHz / 12 GHz | 34 | 41 | - | dBm |
| Bias Voltage (Vss) | - | -5.0 Vdc ±10% | - | - | Vdc |
| Control Voltage Range (A & B) | - | -5 to -4.2 Vdc / -3 to -2.2 Vdc | - | - | Vdc |
| Operating Temperature | - | -55°C to +85°C | - | - | °C |
Key Features
- Broadband frequency range: DC to 18 GHz
- Non-reflective 50 Ω design
- Low insertion loss: 2.1 dB @ 12 GHz
- High isolation: 42 dB @ 12 GHz
- High input linearity: P1dB of 25 dBm typical at VSS = -5 V, IP3 of 41 dBm typical
- High power handling: 24 dBm through path, 23 dBm terminated path
- Integrated 2 to 4 line decoder
- Small size: 1.92 mm x 1.60 mm x 0.10 mm
- RoHS compliant (HMC641A model)
Applications
- Telecom Infrastructure
- Microwave Radio & VSAT (Very Small Aperture Terminals)
- Military & Space Hybrids
- Test Instrumentation
- Broadband Telecommunications Systems
- Military radios, radars, and electronic counter measures (ECMs)
Q & A
- What is the frequency range of the HMC641A?
The HMC641A operates over a frequency range from DC to 18 GHz.
- What is the typical insertion loss of the HMC641A at 12 GHz?
The typical insertion loss is 2.1 dB at 12 GHz.
- What is the isolation of the HMC641A at 12 GHz?
The isolation is typically 42 dB at 12 GHz.
- What is the input power for 1 dB compression of the HMC641A?
The input power for 1 dB compression is typically 24 dBm from 2.05 GHz to 18 GHz.
- Does the HMC641A have an integrated decoder?
Yes, the HMC641A includes an on-chip binary 2 to 4 line decoder.
- What are the control voltage ranges for the HMC641A?
The control voltage ranges are -5 to -4.2 Vdc and -3 to -2.2 Vdc.
- What is the operating temperature range of the HMC641A?
The operating temperature range is -55°C to +85°C.
- Is the HMC641A RoHS compliant?
Yes, the HMC641A is RoHS compliant.
- What are some typical applications of the HMC641A?
Typical applications include telecom infrastructure, microwave radio & VSAT, military & space hybrids, test instrumentation, and broadband telecommunications systems.
- What is the size of the HMC641A?
The size of the HMC641A is 1.92 mm x 1.60 mm x 0.10 mm.
