A Design Consultancy Company

Competence

Competence

 Our knowledge and skills

Case Study

 Who we work with clients

• Satellite TV tuner
• Bluetooth
• UWB Transmitter
• GPS RX
• IS-95 CDMA Tx/Rx
• UMTS Tx/Rx
• ISM band remote key-fob access
• Multiple generations of Bluetooth / DECT
• Major subsystems in GSM, DAMPS
• Switched Harmonic Rejection Mixer

• Wide band direct conversion mixers – up to 3GHz
• Rejection of unwanted mixer products > 40dB, up to 7th LO harmonic
• Automatic calibration

• High frequency continuous time filters

• 800MHz 5th order low-pass
• Auto digital tuning

• Poly-phase, band-pass, LP and HP

• 3rd to 5th order, IF 2-10 MHz
• Auto digital tuning

• Wide band low noise amplifiers

• 1-6GHz input,  < 3dB NF, < 13 dB return loss

• Wideband satellite TV distribution system

• 180nm BiCMOS

• Video Analogue Front End  (AFE)

• Video ADC 220Ms 14 bit - 65nm CMOS

• Crystal Oscillator cells
• Voltage references, regulators (LDOs) and DC/DC
• Band-gaps, references and bias generation
• Variable gain amplifiers
• LED printer driver
• Capacitive touch pad sensor
• Novel OLED screen driver
• Clock de-jitter circuits
• Various integrated active filter types, image reject, poly-phase, Sallen & Key, GmC, BiQuad
• Fibre optic quad receiver
• Digital control logic - I2C, 3-wire, LVDS, etc.
• Integer and Sigma-Delta fractional N synthesisers

• High speed dividers – CML and rail-to-rail
• Charge pumps

• Low jitter clock PLL’s

• 10ps rms 6σ over 40ms

• Fully integrated VCO

• LC - 2GHz to 11GHz
• Inductor design
• Ring oscillator

• Digital PLL – on going development
• HDMI 1.3 PHY and video interfaces - 90nm CMOS

• 3 – 6 GHz LC VCO with low jitter PLL
• Multi- phase selection clock generation 200 – 500MHz

“The is no substitute for real world experience.”

RiverBeck designers have work on many projects in many markets.