CBM99D57BQ 1 GSPS orthogonal digital upconverter with built-in 18 bit IQ data path and 14 bit DAC

The CBM99D57 functions as a universal I/Q modulator and agile upconverter for communications systems. The CBM99D57 integrates a high speed, direct digital synthesizer (DDS), a high performance, high speed, 14-bit digital-to-analog converter (DAC), clock multiplier circuitry, digital filters, and other DSP functions onto a single chip. It provides baseband up conversion for data transmission in a wired or wireless communications system. It also provides excellent performance in terms of speed, power consumption and spectrum performance. The chip supports a 16-bit serial input mode for I/Q baseband data. The device can alternatively be programmed to operate either as a single tone, sinusoidal source or as an interpolating DAC. The chip achieves high speed internal sampling clock through a crystal oscillator, a high speed, divide-by-two input, and a low noise PLL.

Parameters
Features
Applications

Resolution(Bits):14
Master clock(MHz):1000
Channel:1
SFDR(dB):80
Third-order intermodulation(dB):80
Power consumption(mw):560

power supplies:1.8 V and 3.3 V
Internal clock speed:1 GSPS (up to 400 MHz analog output)
Integrated 1 GSPS 14-bit DAC
Input data rate:250 MSPS
Phase noise ≤ −124dBc/Hz (400 MHz carrier @ 1 kHz offset)
Narrow-band SFDR:>80 dB
8 programmable profiles register for shift keying Sinc correction filter
Reference clock multiplier
Internal oscillator for a single crystal operation
Software and hardware-controlled power-down
Integrated RAM
Phase modulation capability
Multichip synchronization
Easy interface to Blackfin SPORT
Interpolation factors from 4× to 252×
Gain control DAC
Internal divider allows references up to 2GHz
100-lead TQFP package

HFC data, telephony, and video modems
Wireless base station transmissions
Broadband communications transmissions
Internet telephony

Type	Title	File Size	Date	Download
Selection Guide	Corebai Selection Guide Rev.En2023.pdf	7.73M	2024-01-24	Download

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计算工具

ANALOG-ENGINEER-CALC — 模拟工程师计算器

模拟工程师计算器旨在加快模拟电路设计工程师经常使用的许多重复性计算。该基于 PC 的工具提供图形界面，其中显示各种常见计算的列表（从使用反馈电阻器设置运算放大器增益到为稳定模数转换器 (ADC) 驱动器缓冲器电路选择合适的电路设计元件）。除了可用作单独的工具之外，该计算器还能够很好地与模拟工程师口袋参考书中所述的概念配合使用。

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Product number	Rating	Inventory(pcs)	Price	Package	MSL	RoHS	MPQ	Operating Temperature Range (℃)	Order
CBM99D57BQ	Industrial grade	5400	10~99 \| $ 18.97  100~999$17.56 1000+$16.16	TQFP-100	MSL 3	RoHS	Tray, 90	-40 to 85	- + Requested quantity exceeds in stock amount Add to cart