Overview
The HMC939-SX, produced by Analog Devices Inc., is a broadband 5-bit GaAs IC digital attenuator MMIC chip. This component is designed to operate across a wide frequency range of 0.1 to 40 GHz, making it highly versatile for various high-frequency applications. The HMC939-SX features a low insertion loss of less than 5 dB typical and provides attenuation steps of 1.0 dB, with a total attenuation range of 31 dB. It is ideal for use in fiber optics, broadband telecommunications, microwave radio, VSAT, military radios, radar, ECM, and space applications.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Number of Bits | 5 | |
| Number of Channels | 1 | |
| Impedance | 50 Ohms | |
| Attenuation Step Size | 1.0 dB | |
| Total Attenuation Range | 31 dB | |
| Frequency Range | 0.1 - 40 GHz | |
| Insertion Loss | < 5 dB (typical) | |
| Input Third Order Intercept Point (IIP3) | +43 dBm | |
| Switching Characteristics (tRISE, tFALL) | 60 ns (typical) | |
| Operating Supply Voltage | Vdd = +5V, Vss = -5V | |
| Operating Temperature | -40°C to +85°C | |
| Package | Die |
Key Features
- Broadband operation from 0.1 to 40 GHz
- 5-bit digital attenuator with 1.0 dB step size and 31 dB total attenuation range
- Low insertion loss of less than 5 dB typical
- High input IP3 of +43 dBm
- Single positive control line per bit with ±1.0 dB typical bit error
- Compact die package
- Operating temperature range of -40°C to +85°C
Applications
- Fiber Optics and Broadband Telecommunications
- Microwave Radio and VSAT
- Military Radios, Radar, and ECM
- Space Applications
- Sensors and Test & Measurement Equipment
Q & A
- What is the frequency range of the HMC939-SX?
The HMC939-SX operates across a frequency range of 0.1 to 40 GHz.
- What is the attenuation step size and total attenuation range of the HMC939-SX?
The attenuation step size is 1.0 dB, and the total attenuation range is 31 dB.
- What is the typical insertion loss of the HMC939-SX?
The typical insertion loss is less than 5 dB.
- What is the input IP3 of the HMC939-SX?
The input IP3 is +43 dBm.
- What is the operating temperature range of the HMC939-SX?
The operating temperature range is -40°C to +85°C.
- What are the typical switching characteristics of the HMC939-SX?
The typical switching characteristics include a rise and fall time (tRISE, tFALL) of 60 ns.
- What is the impedance of the HMC939-SX?
The impedance is 50 Ohms.
- What are some common applications of the HMC939-SX?
Common applications include fiber optics, broadband telecommunications, microwave radio, VSAT, military radios, radar, ECM, and space applications.
- What is the package type of the HMC939-SX?
The package type is a die.
- What are the operating supply voltages for the HMC939-SX?
The operating supply voltages are Vdd = +5V and Vss = -5V.
