Overview
The AD6623AS, produced by Analog Devices Inc., is a 4-channel, 104 MSPS (Mega Samples Per Second) digital transmit signal processor (TSP). This component is designed to handle complex digital signal processing tasks, particularly in high-speed communication systems. It features a robust set of functionalities that make it suitable for various wireless communication applications, including cellular base stations, software-defined radio, and phased array beam forming antennas.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Sample Rate | 104 | MSPS |
| Number of Channels | 4 | - |
| Output Configuration | Dual 18-Bit | - |
| Output Data Format | Two’s Complement or Offset Binary | - |
| Power Supply | 2.5 V CMOS Core, 3.3 V Outputs, 5 V Inputs | V |
| Operating Temperature | -40 to 70 | °C |
| Package Type | MQFP | - |
| Number of Pins | 128 | - |
Key Features
- Four independent digital transmitters in a single package
- Programmable IF and modulation for each channel
- RAM Coefficient Filter (RCF) and programmable interpolating RCF
- Support for various modulation schemes: QPSK, 8-PSK, GMSK, and more
- All-pass phase equalizer and programmable fine scaler
- Programmable power ramp unit and high-speed CIC interpolating filter
- Digital resampling for noninteger interpolation rates
- NCO frequency translation with carrier output from DC to 52 MHz
- Spurious performance better than –100 dBc
- Separate 3-wire serial data input for each channel and bidirectional serial clocks and frames
- Microprocessor control and JTAG boundary scan
Applications
- Cellular/PCS base stations
- Micro/pico cell base stations
- Wireless local loop base stations
- Multicarrier and multimode digital transmit systems (GSM, EDGE, IS136, PHS, IS95, TDS CDMA, UMTS, CDMA2000)
- Phased array beam forming antennas
- Software defined radio
Q & A
- What is the sample rate of the AD6623AS?
The AD6623AS has a sample rate of 104 MSPS.
- How many channels does the AD6623AS support?
The AD6623AS supports 4 independent digital transmitter channels.
- What are the supported modulation schemes?
The AD6623AS supports various modulation schemes including QPSK, 8-PSK, GMSK, and more.
- What is the operating temperature range of the AD6623AS?
The operating temperature range is from -40°C to 70°C.
- What is the package type and number of pins for the AD6623AS?
The AD6623AS comes in an MQFP package with 128 pins.
- Does the AD6623AS support digital resampling?
Yes, the AD6623AS supports digital resampling for noninteger interpolation rates.
- What is the frequency range for the NCO frequency translation?
The NCO frequency translation supports carrier output from DC to 52 MHz.
- What is the spurious performance of the AD6623AS?
The spurious performance is better than –100 dBc.
- Does the AD6623AS have microprocessor control and JTAG boundary scan?
Yes, the AD6623AS has microprocessor control and JTAG boundary scan capabilities.
- What are some typical applications of the AD6623AS?
Typical applications include cellular/PCS base stations, micro/pico cell base stations, wireless local loop base stations, and software-defined radio.
