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pn qpsk

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Abstract: transmit functions include a differential BPSK/QPSK encoder, PN modulator (spreader), and BPSK/QPSK , chips/sec for BPSK or as (N x Rb)/2 chips/sec for QPSK. 354 The data rate Rb and the PN code , PN code of length N is 11.264/N Mbps. When operating with QPSK modulation (or /4 QPSK with an , /sec (for QPSK). For the 45 MHz Z87200, then, a PN code length of 11 implies that the maximum data , Z Z87200 1 SPREAD-SPECTRUM TRANSCEIVER FEATURES Device Min PN Rate* Max Data ZiLOG
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single chip baseband bpsk modulator low frequency bpsk modulator ic bpsk modulator 20mhz bpsk demodulator chip qpsk modulator chip stanford telecom qpsk Modulator 100-P
Abstract: QPSK/BPSK DSSS Radio RF Micro Devices (TX) APPLICATIONS ·RF9958 or RF2658 with SX043 or SX041 , BGout PN GEN 6 Isig A_bus D_bus A(0-8) OSC1 D(0-7) OSC0 MCUa DATA 3 , Bps to 1 MBps Data Rates ·BPSK or QPSK modulations NOTES For more information on AMI DSSS , 9898 3205 4 3 QPSK/BPSK DSSS Radio RF Micro Devices (TX) APPLICATIONS ·RF2423 with SX043 or , Powr Cntl 8 16 7 Phase PN PN GEN 6 VCO B? Isig EPOCH Iref 5 Bit American Microsystems
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TSX043 SX042 SX061 QPSK DSSS SX043 SX061 direct sequence spread spectrum PLL BPSK direct sequence spread spectrum BPSK RSX043 RF2411
Abstract: analog-to-digital converted I.F. signal. Z87200 transmit functions include a differential BPSK/QPSK encoder, PN , code defines the PN chip rate Rc as N x Rb chips/sec for BPSK or as (N x Rb)/2 chips/sec for QPSK , than 11.264 Mchips/sec (for BPSK) or 22.528 Mchips/sec (for QPSK). For the 45 MHz Z87200, then, a PN , is equal to the period of TXCHPPLS; that is, equal to the PN chip period. 3. In QPSK mode, the , in BPSK mode and two pulses request data in QPSK mode. The user data symbols are then PN modulated ZiLOG
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stel-2000a modulator DBPSK 1210BH Z8720020FSC Z0200045FSC Z0200020FSC DS96WRL0400
Abstract: include a differential BPSK/QPSK encoder, PN modulator (spreader), and BPSK/QPSK modulator, where the , QPSK. 2 ^84043 The data rate Rb and the PN code length N, however, can­ not generally be , differential QPSK. Note again, however, that FCC compliance using the Z87200 with a PN code of length 11 , is equal to the period of TXCHPPLS; that is, equal to the PN chip period. 3. In QPSK mode, the , requests data in BPSK mode and two pulses request data in QPSK mode. The user data sym­ bols are then PN -
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CPS95C MIL-STD-883C 100-L
Abstract: a differential BPSK/QPSK encoder, PN modulator (spreader), and BPSK/QPSK modulator, where the , chips/sec for BPSK or as (N x Rb)/2 chips/sec for QPSK. 4-2 The data rate Rb and the PN code , PN code of length N is 11.264/N Mbps. When operating with QPSK modulation (or /4 QPSK with an , /sec (for QPSK). For the 45 MHz Z87200, then, a PN code length of 11 implies that the maximum data , is equal to the period of TXCHPPLS; that is, equal to the PN chip period. 3. In QPSK mode, the ZiLOG
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qpsk transmitter qpsk modulation and demodulation low cost qpsk modulator Z8720045FSC pn sequence generator qpsk modulation transmitter PS010202-0601
Abstract: include a differential BPSK/QPSK encoder, PN modulator (spreader), and BPSK/QPSK modulator, where the , QPSK. 2 ^84043 The data rate Rb and the PN code length N, however, can­ not generally be , differential QPSK. Note again, however, that FCC compliance using the Z87200 with a PN code of length 11 , is equal to the period of TXCHPPLS; that is, equal to the PN chip period. 3. In QPSK mode, the , requests data in BPSK mode and two pulses request data in QPSK mode. The user data sym­ bols are then PN -
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Abstract: , PN modulator (spreader), and BPSK/QPSK modulator, where the transmitter output is a sampled , Processors Transmitter PN Code Generation When the transmitter and receiver are operating in QPSK mode , data in QPSK mode. The user data symbols are then PN modulated using the Transmitter Data Symbol PN , . Transmitter PN Code Generator Block. BPSK/QPSK Modulator Block Intel
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STEL-2000A-45 bpsk modulator
Abstract: analog-to-digital converted I.F. signal. Z87200 transmit functions include a differential BPSK/QPSK encoder, PN , differential QPSK. Note again, however, that FCC compliance using the Z87200 with a PN code of length 11 , , equal to the PN chip period. 3. In QPSK mode, the TXBITPLS signal pulses high twice during each symbol , BPSK mode and two pulses request data in QPSK mode. The user data symbols are then PN modulated using , PRODUCT SPECIFICATION 4 Z87200 SPREAD-SPECTRUM TRANSCEIVER FEATURES Min PN Rate* Max Data ZiLOG
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PS010201-0301
Abstract: transmit functions include a differential BPSK/QPSK encoder, PN modulator (spreader), and BPSK/QPSK , chips/sec for BPSK or as (N x Rb)/2 chips/sec for QPSK. 4-2 The data rate Rb and the PN code , PN code of length N is 11.264/N Mbps. When operating with QPSK modulation (or /4 QPSK with an , /sec (for QPSK). For the 45 MHz Z87200, then, a PN code length of 11 implies that the maximum data , signal pulses is equal to the period of TXCHPPLS; that is, equal to the PN chip period. 3. In QPSK mode ZiLOG
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STEL2000A
Abstract: functions include a differential BPSK/QPSK encoder, PN modulator (spreader), and BPSK/QPSK modulator , data in QPSK mode. The user data symbols are then PN modulated using the Transmitter Data Symbol PN , . Transmitter PN Code Generator Block. BPSK/QPSK Modulator Block , . Receiver PN Code Register and PN Matched Filter Blocks Intel
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qpsk transceiver STEL-2000A 20 2000a max output stel spread spectrum external qpsk Modulator ik1 complex
Abstract: analog-to-digital converted I.F. signal. Z87200 transmit functions include a differential BPSK/QPSK encoder, PN , , the maximum data rate for a PN code of length N is 11.264/N Mbps. When operating with QPSK modulation , ) or 22.528 Mchips/sec (for QPSK). For the 45 MHz Z87200, then, a PN code length of 11 im plies that , code defines the PN chip rate Rc as N x Rb chips/sec for BPSK or as (N x Rb)/2 chips/sec for QPSK , equal to the period of TXCHPPLS; that is, equal to the PN chip period. 3. In QPSK mode, the TXBITPLS -
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Stanford Telecom TXM TX 2E
Abstract: converted I.F. signal. Z2000 transmit functions include a differential BPSK/QPSK encoder, PN modulator , 11.264 M chips/sec (for BPSK) or 22.528 M chips/sec (for QPSK). For the 45 M HzZ2000, then, a PN code , chips/sec for BPSK or as (N x Rb)/ 2 chips/sec for QPSK. The data rate Rb and the PN code length N , Small Footprint, Surface Mount Supports PN Chip Rate of More Than 11 Mchips/sec. in , PN Matched Filter Two Independent PN Sequences, Each up to 64 Chips Long for Distinct Processing of -
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39HXC XTEST70 RXTEST70
Abstract: QPSK, DQPSK, QAM *: PN Code Length 3, 7, 1r , 15 31 63 127 255 511 1023 2047 * The 11 bit , 500K 250K 125K 62K 31K QPSK, DQPSK: PN Code Length 3, 7, 11*, 15 31 63 127 255 511 1023 , range of PN code lengths from â'™off to 2047 Data rates from 100 bps to 4 Mbps (BPSK) or 8 Mbps (QPSK , , Differential BPSK, QPSK, and Differential detect level can be programmed at bytes 1, 5, 9, or 13. QPSK the PN , the PN code lengths used. These are shown below for BPSK and QPSK modulation schemes (nominal). QAM8 -
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SX048 CRC-32 CRC-16 SX047 SX049
Abstract: QPSK DSSS Radio using Harris PRISM Chip Set WavePlexTM Wireless Products page 1 of 8 , WavePlex's flexible PN codes ·AMI WavePlex's flexible data rates ·AMI WavePlex's data packet protocol and , the design of the interface circuits. QPSK DSSS Radio using Harris PRISM Chip Set WavePlexTM , RXI I&D RXDI RXQ I&D RXDQ LPF Squaring Circuit RX PN Code LPF Squaring , circuits required for: baseband desoreading RSSI recovery Costas Loop QPSK DSSS Radio using Harris American Microsystems
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HFA3424 HFA3624 HFA3524 LM360 AD835 OP413 costas loop HIGH SPEED ANALOG MULTIPLIER resistor 1k inverter bill of material AD835 circuit HFA3724 HFA3925
Abstract: BLOCK DIAGRAM TEST TB7:0 M2:0 QPSK DRATE PN PATTERN GENERATOR DAb DAref DAref3:1 TEST CIRCUIT 10­BIT DAC PNO/TB8 TXD DS/STBY I /4­SHIFT QPSK ENCODER INTERFACE CIRCUIT , Preview QPSK Encoder The MC145750 is a silicon gate HCMOS device designed to encode /4­shift QPSK , kbps (VDD = 5 V) Timing Generator with PLL QPSK Mode, Burst, and Continuous I/Q Signal Output is , DAref1 DAref Qout DAVSS DAVDD MODE2 MODE1 MODE0 TEST NC DVSS DV DD NC DRATE QPSK NC DAb Motorola
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PN511 MC145750VFU R3365 mrfic0001 ADVANTEST R3365 smhu 4 shift QPSK MC145750/D MRFIC0001
Abstract: Maximum Symbol Rate symbols/sec 1M 500 K 250 K 125 K 62.5 K 31 K QPSK, DQPSK: PN Code Length 3, 7, 11 , functions including the type and length of PN codes, data rates, chipping rates, pre amble, transmission , · Psuedorandom noise rates up to 64M chips per sec ond Programmable up to 30dB processing gain; PN code lengths from 3 to 2047 chips Data and PN code streams available either sepa rately or combined Supports BPSK, DBPSK, QPSK, and DPQSK modu lation schemes Supports RF transmission in any frequency band -
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qpsk transmitter using microcontroller PN generator circuit barker code pn code generator circuit 3 bit pn sequence generator circuit gold code generator 1023 0D157Q7
Abstract: 1M 500K 250K 125K , 62K 31K i QPSK, DQPSK, QAM *: PN Code Length 3, 7, 11*. 15 31 63 127 255 , BPSK, Differential BPSK, QPSK, and Differential QPSK the PN code can be programmed to be mixed with the , Wireless Products January, 1997 PRODUCT DESCRIPTION Data and PN code streams available either sepa rately or combined Supports BPSK, DBPSK, QPSK, DPQSK, and QAM modulation schemes Supports RF reception in , head Data rates from 100bps to 4Mbps (BPSK or 8Mbps (QPSK) or 12MBPS (QAM8) or 16Mbps (QAM 16) Low -
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QPSK qam trans Modulator block diagram gold codes pn BPSK transmitters bpsk modulation digital transmitter qpsk RF transceiver qpsk receiver
Abstract: communication link. 2.0 Key Features · · · · · 1Mbit/s demodulation (QPSK) PN code tracking output to AMIS , demodulate the data from a BPSK/DBPSK/QPSK/DQPSK modulated signal. This technique also provides a PN code , designed to demodulate QPSK or BPSK data from a carrier whose frequency is 11 MHz or less. Data rates can be as high as 1Mbit/s for QPSK signals or 500Kbit/s for BPSK signals. An error signal is produced, which can be used to acquire and track the PN code of a direct sequence spread spectrum system. This AMI Semiconductor
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AMI Semiconductor DSP demodulator DBPSK AMIS-50051 AMIS-50050 11564-504-XTP M-20718-002
Abstract: wireless communication link. 2.0 Key Features · · · · · 1Mbit/s demodulation (QPSK) PN code , AMIS50051 uses advanced DSP technology to demodulate the data from a BPSK/DBPSK/QPSK/DQPSK modulated signal. This technique also provides a PN code tracking signal output, a carrier tracking signal and an , component count of a DSSS receiver. The AMIS-50051 is designed to demodulate QPSK or BPSK data from a carrier whose frequency is11MHz or less. Data rates can be as high as 1Mbit/s for QPSK signals or 500Kbit AMI Semiconductor
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11564-503 AMI Semiconductor dsss demodulator 11564-502-XTP 11564-503-XTP
Abstract: link signal. The forward link signal contains the command data modulo-2 added to a command PN sequence and a ranging PN sequence. The two PN sequences are modulated in an unbalanced Quadrature Phase-Shift Keying (QPSK) format. The TSIM receives the return link RF signal, and despreads and demodulates either the Data Group 1 (Mode 1, Mode 2, or Mode 3) return link PN codes or demodulates Data Group 2. The , Staggered Quadrature PN (SQPN), and allows data to be placed on both the I and Q phases. The TSIM recovers Real Time Logic
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