Overview
The HMC435AMS8GETR from Analog Devices Inc. is a non-reflective DC to 4 GHz GaAs MESFET Single-Pole Double-Throw (SPDT) switch. This component is packaged in a low-cost 8-lead MSOP8G surface mount package with an exposed ground paddle. It is designed to offer high isolation, low insertion loss, and excellent power handling, making it suitable for various high-frequency applications.
Key Specifications
| Parameter | Frequency Range | Min. | Typ. | Max. | Units |
|---|---|---|---|---|---|
| Insertion Loss | DC - 2.5 GHz | 0.8 | 1.0 | 1.2 | dB |
| Insertion Loss | DC - 3.6 GHz | 1.0 | 1.5 | 1.8 | dB |
| Insertion Loss | DC - 4.0 GHz | 1.2 | 1.8 | 2.0 | dB |
| Isolation (RFC to RF1/RF2) | DC - 1.0 GHz | 56 | 62 | 65 | dB |
| Isolation (RFC to RF1/RF2) | DC - 2.0 GHz | 46 | 52 | 55 | dB |
| Isolation (RFC to RF1/RF2) | DC - 2.5 GHz | 43 | 48 | 50 | dB |
| Isolation (RFC to RF1/RF2) | DC - 3.6 GHz | 37 | 42 | 45 | dB |
| Isolation (RFC to RF1/RF2) | DC - 4.0 GHz | 30 | 40 | 42 | dB |
| Return Loss (On State) | DC - 2.5 GHz | 15 | 23 | 25 | dB |
| Return Loss (On State) | DC - 3.6 GHz | 13 | 17 | 20 | dB |
| Return Loss (On State) | DC - 4.0 GHz | 11 | 14 | 16 | dB |
| Return Loss (Off State) | 0.5 - 4.0 GHz | 16 | 21 | 23 | dB |
| Input Power for 1 dB Compression | 0.5 - 4.0 GHz | 27 | 30 | 32 | dBm |
| Input Third Order Intercept (Two-Tone Input Power = +7 dBm Each Tone) | 0.5 - 1.0 GHz | 48 | 54 | 56 | dBm |
| Input Third Order Intercept (Two-Tone Input Power = +7 dBm Each Tone) | 0.5 - 2.5 GHz | 45 | 53 | 55 | dBm |
| Input Third Order Intercept (Two-Tone Input Power = +7 dBm Each Tone) | 0.5 - 4.0 GHz | 41 | 51 | 53 | dBm |
| Switching Speed | DC - 4.0 GHz | - | tRISE, tFALL (10/90% RF): 40 ns, tON, tOFF (50% CTL to 10/90% RF): 60 ns | - | ns |
Key Features
- High Isolation: Up to 62 dB at 1 GHz and 52 dB at 2 GHz.
- Low Insertion Loss: Typically 0.8 dB from DC to 2.5 GHz.
- Non-Reflective Design: Ensures minimal signal reflection.
- Single Positive Control: Controlled by 0/+5V input with low DC current.
- High Input IP3: Up to 54 dBm.
- Ultra Small MSOP-8 Package: With an exposed ground paddle for improved thermal and electrical performance.
- Excellent Power Handling: P1dB compression of +30 dBm through the 3.8 GHz WiMAX band.
Applications
- Basestations & Repeaters: Ideal for cellular infrastructure.
- Cellular/3G and WiMAX/4G: Supports high-frequency communication standards.
- Infrastructure and Access Points: Used in wireless communication systems.
- CATV/CMTS: Suitable for cable television and cable modem termination systems.
- Test Instrumentation: Used in various test and measurement equipment.
Q & A
- What is the frequency range of the HMC435AMS8GETR switch?
The HMC435AMS8GETR operates from DC to 4 GHz. - What is the typical insertion loss of the HMC435AMS8GETR?
The typical insertion loss is 0.8 dB from DC to 2.5 GHz. - What is the isolation level of the HMC435AMS8GETR at 1 GHz?
The isolation level is up to 62 dB at 1 GHz. - How is the HMC435AMS8GETR controlled?
The switch is controlled by a single positive voltage input of 0/+5V. - What is the input IP3 of the HMC435AMS8GETR?
The input IP3 is up to 54 dBm. - What package type is the HMC435AMS8GETR available in?
The switch is available in an 8-lead MSOP8G surface mount package with an exposed ground paddle. - What are some typical applications of the HMC435AMS8GETR?
Typical applications include basestations, cellular/3G and WiMAX/4G, infrastructure and access points, CATV/CMTS, and test instrumentation. - What is the switching speed of the HMC435AMS8GETR?
The switching speed is characterized by tRISE, tFALL (10/90% RF): 40 ns, and tON, tOFF (50% CTL to 10/90% RF): 60 ns. - What is the P1dB compression point of the HMC435AMS8GETR?
The P1dB compression point is +30 dBm through the 3.8 GHz WiMAX band. - Is the HMC435AMS8GETR suitable for high-power applications?
Yes, it offers excellent power handling with a P1dB compression of +30 dBm.
