Overview
The HMC1018ALP4ETR is a broadband 5-bit GaAs IC digital attenuator produced by Analog Devices Inc. This component is designed in a low-cost leadless surface mount package, making it suitable for a variety of high-frequency applications. It operates over a wide frequency range of 0.1 to 30.0 GHz, offering precise attenuation control with excellent accuracy and high linearity.
Key Specifications
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Frequency Range | 0.1 | - | 30.0 | GHz |
| Insertion Loss (0.1-18.0 GHz) | 4.5 | 5.5 | 6.0 | dB |
| Insertion Loss (18.0-26.5 GHz) | 5.5 | 6.5 | 7.0 | dB |
| Insertion Loss (26.5-30.0 GHz) | 6.5 | 7.0 | 8.0 | dB |
| Attenuation Range | - | - | 31 | dB |
| Return Loss (RF1 & RF2, All Atten. States) | - | - | 12 | dB |
| Attenuation Accuracy (1.0-15 dB States) | - | ±(0.5 + 5%) of Atten. Setting | - | dB |
| Attenuation Accuracy (16-31 dB States) | - | ±(0.6 + 8%) of Atten. Setting | - | dB |
| Input Power for 0.1 dB Compression | - | +27 | - | dBm |
| Control Voltage (CLK, SERIN, LE, PUP, ASM1, ASM2, S/A) | - | Vdd + 0.5V | - | Vdc |
| Operating Temperature | -40 | - | 85 | °C |
| Storage Temperature | -65 | - | 150 | °C |
Key Features
- 5-Bit Digital Attenuation: The HMC1018ALP4ETR offers 5-bit digital attenuation with bit values of 1, 2, 4, 8, and 16 dB, providing a total attenuation range of 31 dB.
- CMOS/TTL Compatible Interface: The component features a 3-wire SPI-compatible digital interface, allowing for easy integration with other serial-controlled components.
- Asynchronous Mode Control: It supports an asynchronous mode for rapid attenuation level setting.
- High Input IP3: The attenuator has a high input IP3 of +43 dBm, ensuring high linearity and minimal distortion.
- User Selectable Power Up State: The component allows for user-selectable power-up states and includes a serial output port for cascading other Analog Devices serial-controlled components.
Applications
- Fiber Optics & Broadband Telecom: Suitable for high-speed data transmission and broadband telecommunications.
- Microwave Radio & VSAT: Used in microwave radio systems and Very Small Aperture Terminals (VSAT).
- Military Radios, Radar & ECM: Applied in military communication systems, radar, and electronic countermeasures (ECM).
- Space Applications: Designed for use in space-related electronic systems.
- Sensors & Test & Measurement Equipment: Utilized in various sensor applications and test and measurement equipment.
Q & A
- What is the frequency range of the HMC1018ALP4ETR?
The HMC1018ALP4ETR operates over a frequency range of 0.1 to 30.0 GHz. - What is the total attenuation range of the HMC1018ALP4ETR?
The total attenuation range is 31 dB, achieved through 5-bit digital attenuation. - What is the insertion loss of the HMC1018ALP4ETR?
The insertion loss varies by frequency range: 4.5 dB (0.1-18.0 GHz), 5.5 dB (18.0-26.5 GHz), and 6.5 dB (26.5-30.0 GHz). - What is the input IP3 of the HMC1018ALP4ETR?
The input IP3 is +43 dBm. - Is the HMC1018ALP4ETR compatible with CMOS/TTL interfaces?
Yes, it features a CMOS/TTL compatible 3-wire SPI interface. - What is the operating temperature range of the HMC1018ALP4ETR?
The operating temperature range is -40°C to +85°C. - What are the storage temperature limits for the HMC1018ALP4ETR?
The storage temperature range is -65°C to +150°C. - Can the HMC1018ALP4ETR be used in asynchronous mode?
Yes, it supports an asynchronous mode for rapid attenuation level setting. - What are some common applications of the HMC1018ALP4ETR?
It is used in fiber optics, broadband telecom, microwave radio, VSAT, military radios, radar, ECM, space applications, sensors, and test & measurement equipment. - How does the HMC1018ALP4ETR handle power-up states?
The component allows for user-selectable power-up states and includes a serial output port for cascading other Analog Devices serial-controlled components.
