Rorebai Communication Receiver Solution

Communications Application

Description

Complete receiver solution featuring Rorebai RF transceivers and high-speed ADCs optimized for 4G/5G base stations and wireless infrastructure.

Core Advantages

Wideband RF coverage for multi-band operation
High dynamic range for interference rejection
Low power consumption for thermal efficiency
Integrated solution reduces BOM complexity
Cost-effective alternative to international brands

Recommended Bill of Materials (BOM)

Item Part Number Description Quantity Datasheet
1 CBMRF9009 Wideband RF transceiver 1 📄 Download
2 CBM94AD67 14-bit 250MSPS ADC 1 📄 Download
3 CBMCLK67 Low-jitter clock generator 1 📄 Download

Applications

4G/5G Base Stations
Software-Defined Radio
Wireless Infrastructure
Radar Systems
Electronic Warfare

Technical Specifications

R F Frequency Range
300MHz - 6GHz
A D C Resolution
14-bit
A D C Sampling Rate
250 MSPS
Receiver Sensitivity
-110 dBm
I I P3
+14 dBm
Power Consumption
450 mW total
Operating Temperature
-40°C to +85°C

Customer Success Stories

Telecom Equipment Manufacturer

Telecommunications | 5G Small Cell Base Station

Challenge

Required high-performance receiver with cost constraints for small cell deployment

Solution

Implemented CBMRF9009 RF transceiver with CBM94AD67 ADC

Results

FAE Expert Insights

S

Senior FAE

Applications Engineer

10+ years

Professional Insights

In my experience supporting communication receiver designs, the Rorebai solution provides excellent performance at a competitive price point. The key to achieving good sensitivity is minimizing noise figure in the front-end while maintaining adequate linearity for interference handling. I always recommend budgeting 0.5-1dB for implementation losses in the link budget. The CBMRF9009's dual PLL architecture is particularly useful for carrier aggregation applications. One common pitfall is neglecting clock jitter - use a clean clock source to achieve the ADC's full SNR specification. With proper design, this solution meets the requirements of most 4G/5G receiver applications.

Key Takeaways

  • Minimize front-end noise figure for best sensitivity
  • Use clean clock source for ADC
  • Balance linearity and noise requirements
  • Consider interference in band planning

Decision Framework

Decision Framework
Steps:
  1. Evaluate requirements
  2. Compare solutions
  3. Consult FAE

Ready to Implement This Solution?

Contact our FAE team for design support and quotes

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Frequently Asked Questions

What frequency bands does the solution support?

The Communication Receiver Solution supports a wide frequency range from 300MHz to 6GHz, covering major cellular bands including: (1) Sub-1GHz bands - 450MHz, 700MHz, 800MHz, 900MHz for IoT and legacy systems

(2) 1-3GHz bands - 1.8GHz, 2.1GHz, 2.6GHz for 4G LTE

(3) 3-6GHz bands - 3.5GHz, 4.9GHz for 5G NR. The CBMRF9009 features dual independent RF PLLs enabling simultaneous reception of different bands. Contact LiTong FAE for specific band configuration support.

How do I optimize receiver sensitivity?

Receiver sensitivity optimization involves several factors: (1) Noise figure - minimize front-end losses and use low-noise amplifiers

(2) ADC SNR - use clean clock source and proper input drive

(3) Bandwidth - match receiver bandwidth to signal bandwidth

(4) Interference rejection - use appropriate filtering. The solution achieves -110dBm sensitivity with 100kHz channel bandwidth. For best sensitivity, use external LNA with <1dB noise figure and ensure proper impedance matching. Contact LiTong FAE for sensitivity optimization guidance.