...ow-pass filtered at 3400 Hz and sinx/x compensated by a differential switched capacitor filter. The signal is then filtered by an active R-C filter to eliminate the out of band energy of the switched capacitor filter. The xC145481 PCM Codec...
...iasing filters, and reduces the sinx/x distortion inherent in D/A converters. Separate digital scaling is applied to the chroma data path in order to make the most efficient use of the 9 bit dynamic range. The device accepts data inputs com...
...lter including noise shaper and sinx/x correction. The digital base Band data (DIN) are converted and modulated at F0 and send differentially (D1, D2) to ST952 through capacitive connection. 2 - Receive Section The functions included in the...
Description
V.34/56K ANALOG FRONT-END V.34/56K ANALOG FRONT END From old datasheet system
...is peaked to compensate for the sinx/x attenuation caused by the 8 kHz sampling rate. Side-tone is derived from the input of the Tx filter and is not subject to the gain control of the Tx filter section. Side-tone is summed into the receive...
...is peaked to compensate for the sinx/x attenuation caused by the 8 kHz sampling rate. Side-tone is derived from the input of the Tx filter and is not subject to the gain control of the Tx filter section. Side-tone is summed into the receive...
...ow-pass filtered at 3400 Hz and sinx/x compensated by a differential switched capacitor filter. The signal is then filtered by an active R-C filter to eliminate the out-of-band energy of the switched capacitor filter. These PCM Codec-Filter...
Description
From old datasheet system A-Law CODEC PCM Codec-Filter
...-40 dB -60 dB
NOTES 1 Excludes sinx/x characteristic of DAC. 2 Defined as the number of data clock cycles between impulse input and peak of output response. Specifications subject to change without notice.
(TMIN to TMAx, AVDD = +2.7 V t...
...irst stage realizes a 4th-order sinx/x characteristic. This filter decreases the sample rate by 8. The second stage, a FIR filter, consists of 3 half-band filters, each decimating by a factor of 2. DATA FORMAT I2S-bus data format MSB-justif...