- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄361728 > VES1993 (NXP SEMICONDUCTORS) Single Chip Satellite Channel Receiver(單片衛(wèi)星頻道接收器) PDF資料下載
參數(shù)資料
| 型號(hào)： | VES1993 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | Single Chip Satellite Channel Receiver(單片衛(wèi)星頻道接收器) |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP100 |
| 封裝： | MQFP-100 |
| 文件頁(yè)數(shù)： | 2/16頁(yè) |
| 文件大?。?/td> | 90K |
| 代理商： | VES1993 |
第1頁(yè)當(dāng)前第2頁(yè)第3頁(yè)第4頁(yè)第5頁(yè)第6頁(yè)第7頁(yè)第8頁(yè)第9頁(yè)第10頁(yè)第11頁(yè)第12頁(yè)第13頁(yè)第14頁(yè)第15頁(yè)第16頁(yè)
1999 Jan 01
2
Philips Semiconductors
Product specification
Single Chip Satellite Channel Receiver
VES1993
FEATURES
DSS and DVB-S compatible single chip
demodulator & forward error correction.
Dual 6-bit ADC on chip.
PLL for crystal frequency multiplication.
Variable rate BPSK/QPSK coherent
demodulator.
Modulation rate from 1 to 45MBaud.
Automatic Gain Control output.
Digital symbol timing recovery :
Acquisition range up to
±
240ppm
Digital carrier recovery :
Acquisition range up to
±
12% of symbol rate
Half Nyquist baseband filters on chip
roll-off = 0.35 for DVB and 0.2 for DSS
Channel quality estimation.
Viterbi decoder :
Supported rates : from 1/2 to 8/9.
Constraint length K = 7
with G1 = 171
G2 = 133
VBER measurement provided.
Convolutional deinterleaver and Reed
Solomon decoder according to DVB and
DSS specifications.
Automatic Frame Synchronization.
Selectable DVB-S descrambling.
I2C bus interface.
100-pin MQFP package.
CMOS technology (0.35
μ
m 3.3V).
APPLICATIONS
DSS receivers.
DVB-S receivers (ETS 300-421).
Direct Broadcast Satellite (DBS).
DESCRIPTION
The VES 1993 is a single-chip channel receiver for satellite television
reception which matches both DSS and DVB-S standards. The
device contains a dual 6-bit flash analog to digital converter, variable
rate BPSK/QPSK coherent demodulator and Forward Error
Correction functions.The ADCs directly interface with I and Q analog
baseband signals. After A to D conversion, the VES 1993 implements
a bank of cascadable filters as well as antialias and half-Nyquist
filters. Analog AGC signal is generated by an amplitude estimation
function. The VES 1993 performs clock recovery at twice the Baud
rate and achieves coherent demodulation without any feedback to
the local oscillator. Forward Error Correction is built around two error
correcting codes : a Reed-Solomon (outer code), and a Viterbi
decoder (inner code). The Reed-Solomon decoder corrects up to 8
erroneous bytes among the N bytes of one data packet.
Convolutional deinterleaver is located between the Viterbi output and
the R.S. decoder input. De-interleaver and R.S. decoder are
automatically synchronized thanks to the frame synchronisation
algorithm which uses the sync pattern present in each packet. The
VES 1993 is controlled via an I2C bus interface. The circuit operates
up to 91MHz and can process variable modulation rates, up to
45Mbaud.
The VES 1993 provides an interrupt line which can be programmed
on either events or timing information.
Designed in 0.35 CMOS technology and housed in a 100-MQFP
package, the VES 1993 operates over the commercial temperature
range.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| VES9600 | Single Chip DVB-T Channel Receiver(單片DVB-T頻道接收器) |
| VESTIGIALSAWS | Vestigial Sideband Filters for Professional Applications |
| VF150CSM | Peripheral IC |
| VF150T | Peripheral IC |
| VF150T1 | Peripheral IC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| VES-220M0JTR-0405 | 功能描述:鋁質(zhì)電解電容器-SMD 6.3 Volts 22uF 20% 4x5.3 RoHS:否 制造商:Vishay/BC Components 電容:2200 uF 容差:20 % 電壓額定值:16 V ESR: 工作溫度范圍:- 55 C to + 150 C 尺寸:16 mm W x 16 mm L x 21 mm H 產(chǎn)品:High Temp Electrolytic Capacitors |
| VES-220M1ATR-0505 | 功能描述:鋁質(zhì)電解電容器-SMD 10 Volts 22uF 20% 5x5.3 RoHS:否 制造商:Vishay/BC Components 電容:2200 uF 容差:20 % 電壓額定值:16 V ESR: 工作溫度范圍:- 55 C to + 150 C 尺寸:16 mm W x 16 mm L x 21 mm H 產(chǎn)品:High Temp Electrolytic Capacitors |
| VES-220M1CTR-0505 | 功能描述:鋁質(zhì)電解電容器-SMD 16 Volts 22uF 20% 5x5.3 RoHS:否 制造商:Vishay/BC Components 電容:2200 uF 容差:20 % 電壓額定值:16 V ESR: 工作溫度范圍:- 55 C to + 150 C 尺寸:16 mm W x 16 mm L x 21 mm H 產(chǎn)品:High Temp Electrolytic Capacitors |
| VES-220M1ETR-0605 | 功能描述:鋁質(zhì)電解電容器-SMD 25 Volts 22uF 20% 6.3x5.3 RoHS:否 制造商:Vishay/BC Components 電容:2200 uF 容差:20 % 電壓額定值:16 V ESR: 工作溫度范圍:- 55 C to + 150 C 尺寸:16 mm W x 16 mm L x 21 mm H 產(chǎn)品:High Temp Electrolytic Capacitors |
| VES-220M1HTR-0605 | 功能描述:鋁質(zhì)電解電容器-SMD 50 Volts 22uF 20% 6.3x5.3 RoHS:否 制造商:Vishay/BC Components 電容:2200 uF 容差:20 % 電壓額定值:16 V ESR: 工作溫度范圍:- 55 C to + 150 C 尺寸:16 mm W x 16 mm L x 21 mm H 產(chǎn)品:High Temp Electrolytic Capacitors |
發(fā)布緊急采購(gòu)，3分鐘左右您將得到回復(fù)。