Overview
The HMC194AMS8ETR, produced by Analog Devices Inc., is a low-cost Single-Pole Double-Throw (SPDT) switch designed for applications requiring high isolation between two RF paths. This device is packaged in an 8-lead MSOP (Micro Small Outline Package) and is suitable for a wide range of RF and microwave applications. The HMC194AMS8ETR is built using GaAs MMIC (Monolithic Microwave Integrated Circuit) technology, ensuring high performance and reliability.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Frequency Range | DC - 3 GHz | |
| Insertion Loss @ 2.5 GHz | 0.5 dB | |
| Isolation @ 2.5 GHz | 38 dB (typ) | |
| Input Third Order Intercept Point (IIP3) | 53 dBm (typ) | |
| 1 dB Compression Point (P1dB) | 29 dBm | |
| Control Voltage | 0/+3V to 0/+7V | |
| Operating Temperature | -40°C to +85°C | |
| Package Type | 8-lead MSOP | |
| Impedance | 50 Ohm |
Key Features
- Ultra small MSOP8 package
- High isolation: up to 50 dB
- Positive control: 0/+3V to 0/+7V
- Low insertion loss and high linearity
- DC blocking capacitors required at RF ports
- RoHS-compliant version available (HMC194AMS8E)
Applications
- Cellular/PCS Base Stations
- Portable Wireless Devices
- MMDS (Multichannel Multipoint Distribution Service) and Wireless LAN
- RF and Microwave Systems requiring high isolation between two RF paths
Q & A
- What is the frequency range of the HMC194AMS8ETR?
The frequency range is from DC to 3 GHz.
- What is the typical insertion loss at 2.5 GHz?
The typical insertion loss at 2.5 GHz is 0.5 dB.
- What is the isolation at 2.5 GHz?
The isolation at 2.5 GHz is typically 38 dB.
- What is the control voltage range for the HMC194AMS8ETR?
The control voltage range is from 0/+3V to 0/+7V.
- What is the operating temperature range of the HMC194AMS8ETR?
The operating temperature range is from -40°C to +85°C.
- What type of package does the HMC194AMS8ETR come in?
The device is packaged in an 8-lead MSOP.
- Is the HMC194AMS8ETR RoHS-compliant?
Yes, the HMC194AMS8E version is RoHS-compliant.
- What are the typical applications for the HMC194AMS8ETR?
Typical applications include cellular/PCS base stations, portable wireless devices, MMDS, and Wireless LAN.
- Why are DC blocking capacitors required for the HMC194AMS8ETR?
DC blocking capacitors are required at each RF port to determine the lowest transmission frequency.
- What is the impedance of the HMC194AMS8ETR?
The impedance is 50 Ohm.
