Overview
The BGA3031X, produced by NXP Semiconductors, is a DOCSIS 3.0 plus upstream amplifier designed to meet the stringent requirements of cable modem, CATV set-top box, and VoIP modem applications. This device operates within the frequency range of 5 MHz to 85 MHz and is known for its high gain control range and excellent linear performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Frequency Operating Range | 5 MHz to 85 MHz | |
| Gain Control Range | 58 dB in 1 dB steps | |
| Maximum Voltage Gain | 34 dB | |
| Incremental Gain Step Accuracy | ± 0.2 dB | |
| IMD3 at 64 dBmV Output Power | -70 dBc | |
| Second Harmonic Level at 64 dBmV Output Power | -80 dBc | |
| Third Harmonic Level at 64 dBmV Output Power | -67 dBc | |
| Noise Figure at Maximum Gain | 3.5 dB | |
| Supply Voltage | 5 V | |
| Package Type | HVQFN20 (5 mm x 5 mm) |
Key Features
- 58 dB gain control range in 1 dB increments using a 3-wire serial interface.
- Excellent linear performance with high output power levels exceeding DOCSIS 3.0 specifications.
- Capable of transmitting 1 to 8 64-QAM and 1 to 8 QPSK modulated carriers while meeting DOCSIS 3.0 ACLR specifications.
- High incremental gain step accuracy of ± 0.2 dB.
- Low noise figure of 3.5 dB at maximum gain.
- Current consumption can be reduced in 4 steps via the serial interface to optimize between DC power efficiency and linearity.
Applications
The BGA3031X is designed for various applications including:
- Cable modems.
- CATV set-top boxes.
- VoIP modems.
Q & A
- What is the frequency operating range of the BGA3031X?
The BGA3031X operates within the frequency range of 5 MHz to 85 MHz. - What is the gain control range of the BGA3031X?
The device has a 58 dB gain control range in 1 dB steps. - What is the maximum voltage gain of the BGA3031X?
The maximum voltage gain is 34 dB. - How is the gain controlled in the BGA3031X?
The gain is controlled via a 3-wire serial interface. - What are the key applications of the BGA3031X?
The key applications include cable modems, CATV set-top boxes, and VoIP modems. - What is the package type of the BGA3031X?
The device is housed in a 20-pin HVQFN package (5 mm x 5 mm). - What are the harmonic levels of the BGA3031X at 64 dBmV output power?
The second harmonic level is -80 dBc, and the third harmonic level is -67 dBc. - How can the current consumption be optimized in the BGA3031X?
The current consumption can be reduced in 4 steps via the serial interface to optimize between DC power efficiency and linearity. - Is the BGA3031X compliant with environmental regulations?
Yes, it is PbFree, EU RoHS compliant, and Halogen Free. - What is the status of the BGA3031X in terms of production?
The BGA3031X is currently end-of-life.
