Overview
The HMC960LP4ETR, produced by Analog Devices Inc., is a digitally programmable dual-channel variable gain amplifier. This component operates over a frequency range of DC to 100 MHz and is designed for high-performance applications requiring precise gain control and low noise. It features a glitch-free architecture, ensuring smooth gain transitions, and is housed in a compact 4x4mm (LP4) SMT QFN package. The device is particularly suited for baseband I/Q transceivers, direct conversion and low IF transceivers, diversity receivers, ADC drivers, and adaptive gain control systems.
Key Specifications
| Parameter | Value |
|---|---|
| Frequency Range | DC to 100 MHz |
| Noise Figure (NF) | 6 dB |
| Output IP3 | +30 dBm |
| Gain Range | 0 to 40 dB |
| Gain Step | 0.5 dB |
| Input Impedance | 100 Ω differential or 400 Ω differential (default), SPI programmable |
| Package Type | 24-Lead QFN (4mm x 4mm w/ EP) |
| Control Interface | Parallel (GC[6:0]) or SPI (read/write serial port) |
Key Features
- Glitch-free architecture for smooth gain transitions
- Matched gain paths providing excellent quadrature balance over a wide signal bandwidth
- Externally controlled common mode output feature for flexible output interface
- SPI programmable input impedance (100 Ω or 400 Ω differential)
- Compact 4x4mm SMT QFN package requiring minimal external components
- Low cost alternative to more complicated switched amplifier architectures
- Excellent magnitude and phase response
Applications
- Baseband I/Q transceivers
- Direct conversion and low IF transceivers
- Diversity receivers
- ADC drivers
- Adaptive gain control systems
Q & A
- What is the frequency range of the HMC960LP4ETR?
The HMC960LP4ETR operates over a frequency range of DC to 100 MHz.
- What is the noise figure of the HMC960LP4ETR?
The noise figure (NF) of the HMC960LP4ETR is 6 dB.
- What is the output IP3 of the HMC960LP4ETR?
The output IP3 of the HMC960LP4ETR is +30 dBm.
- What is the gain range of the HMC960LP4ETR?
The gain range of the HMC960LP4ETR is from 0 to 40 dB in 0.5 dB steps.
- How is the gain controlled in the HMC960LP4ETR?
The gain can be controlled via either a parallel interface (GC[6:0]) or via the read/write serial port (SPI).
- What are the input impedance options for the HMC960LP4ETR?
The input impedance can be set to 100 Ω differential or 400 Ω differential (default) and is SPI programmable.
- What type of package does the HMC960LP4ETR come in?
The HMC960LP4ETR is housed in a 24-Lead QFN (4mm x 4mm w/ EP) package.
- What are some typical applications of the HMC960LP4ETR?
Typical applications include baseband I/Q transceivers, direct conversion and low IF transceivers, diversity receivers, ADC drivers, and adaptive gain control systems.
- Does the HMC960LP4ETR require many external components?
No, the HMC960LP4ETR requires minimal external components due to its integrated design.
- Is the HMC960LP4ETR suitable for cascading with other components?
Yes, the HMC960LP4ETR can be cascaded with other components like the HMC900LP5E without the need for matching circuitry.
