ACE9040IW Mitel, ACE9040IW Datasheet
ACE9040IW
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ACE9040IW Summary of contents
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Supersedes January 1997 edition, DS4289 - 2.5 ACE9040 provides all the speech signal processing and data/SAT tone filtering needed for AMPS or TACS analog cellular telephones. Transmit voice channel functions comprise a microphone amplifier, soft limiter, bandpass filter, compressor, limiter, ...
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ACE9040 2 GENERATOR BIAS Fig. 3 ACE9040 Detailed Block Diagram ...
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PIN DESCRIPTIONS Pin No. Pin No. Name FP2 package FP1 package DEC RREF 6 6 BIAS DATI 9 9 TSI ...
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ACE9040 ELECTRICAL CHARACTERISTICS These characteristics are guaranteed over the following conditions unless otherwise stated (Note 1 – AMB Characteristic Supply Current and Power Down Modes Operating supply current Standby Attenuation of ...
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ELECTRICAL CHARACTERISTICS These characteristics are guaranteed over the following conditions unless otherwise stated (Note 1 – AMB Characteristic TX Audio Bandpass Filter TXBPF, IPS to TBPO Noise Distortion Frequency response relative ...
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ACE9040 ELECTRICAL CHARACTERISTICS These characteristics are guaranteed over the following conditions unless otherwise stated (Note 1 – AMB Characteristic Hard Deviation Limiter Gain Low Pass Filter TXLPF, PREIN to TLPO ...
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ELECTRICAL CHARACTERISTICS These characteristics are guaranteed over the following conditions unless otherwise stated (Note 1 – AMB Characteristic Receive Path RX Input stage RXSENSE, RXI to RBPO pins Input bias Nominal ...
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ACE9040 ELECTRICAL CHARACTERISTICS These characteristics are guaranteed over the following conditions unless otherwise stated (Note 1 – AMB Characteristic Rx Earpiece Gain Adjustment EARSENSE Nominal gain Total gain Gain adjustment step ...
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ELECTRICAL CHARACTERISTICS These characteristics are guaranteed over the following conditions unless otherwise stated (Note 1 – AMB Characteristic TX Data Filter 16 kHz & 20 kHz (continued) Data Filter frequency response ...
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ACE9040 ELECTRICAL CHARACTERISTICS These characteristics are guaranteed over the following conditions unless otherwise stated (Note 1 – AMB Characteristic TXSAT Filter 6 kHz TXSAT gain TXSAT 6 kHz frequency response TXSAT ...
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ELECTRICAL CHARACTERISTICS These characteristics are guaranteed over the following conditions unless otherwise stated (Note 1 – AMB Characteristic Handsfree Rectifiers Attack time Decay time TX nominal output levels: d.c. offset a.c. ...
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ACE9040 ELECTRICAL CHARACTERISTICS These characteristics are guaranteed over the following conditions unless otherwise stated (Note 1 – AMB Characteristic DC Characteristics Logic input high Logic input low Input Capacitance logic inputs ...
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TXBPF Relative Response vs Frequency 0 -10 -20 -30 -40 -50 10 100 1000 Frequency (Hz) Figure 4 TXLPF Relative Response vs Frequency 10 0 -10 -20 -30 -40 -50 -60 10 100 1000 Frequency (Hz) Figure 6 TYPICAL FREQUENCY ...
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ACE9040 Transmit Overall Relative Response vs Frequency -10 -15 -20 -25 -30 -35 -40 10 100 1000 Frequency (Hz) Figure 8 14 TYPICAL FREQUENCY RESPONSES 10 0 -10 -20 -30 -40 -50 10000 100000 1000 SAT ...
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DESCRIPTION ACE9040 combines all the voice, data and signalling processing circuits for analog cellular telephones operating with the AMPS or TACS systems. Transmit channel functions comprise a microphone amplifier, soft limiter, bandpass speech filter, compressor, pre-emphasis filter, hard limiter, lowpass ...
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ACE9040 CONTROL BUS: OPERATION MODE Data bit Bit Name DATA3: [0] DATA3[0] [1] DATA3[1] [2] PD [5:3] RXV[2:0] [6] HIZ [7] EPH1 DATA2: [0] RXM [1] SATM [2] DATM [3] TXM [4] MLI [5] DTMFEN [7:6] DTMFMODE[1:0] DATA1: [0] DTMFM ...
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CONTROL BUS: INITIALIZING MODE 0 Data bit Bit Name DATA3: [0] DATA3[0] [1] DATA3[1] [2] EPH0 [3] DTWIST [4] PDLVC [6:5] COMP[2:1] [7] INPS[0] DATA2: [3:0] INPS[4:1] [7:4] RXSEN[3:0] DATA1: [0] RXSEN[4] [5:1] SATD[4:0] [6] SD [7] SOFTLIMIT COMP[2] COMP[1] ...
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ACE9040 CONTROL BUS: INITIALIZING MODE 1 Data bit Bit Name DATA3: [0] DATA3[0] [1] DATA3[1] [3:2] TEST[1:0] [4] SATS [6:5] DATAF[1:0] [7] TACS DATA2: [3:0] TXSEN[3:0] [7:4] DATD[3:0] DATA1: [3:0] AUDEV[3:0] [7:4] EARS[3:0] ‡ See table 19. TEST[1] TEST[0] Test ...
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CONTROL BUS: HANDSFREE MODE Data bit Bit Name DATA3: [0] DATA3[0] [1] DATA3[1] [4:2] THF[2:0] [7:5] RHF[2:0] DATA2: [0] HFP [1] HFS [2] MIG [4:3] not used [5] AMPS [6] not used [7] - DATA1: [2:0] - [5:3] not used ...
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ACE9040 CIRCUIT OPERATING MODES ACE9040 has three operating modes: Operate, Standby and Sleep. In Operate mode all parts of the circuit are active, except for any explicitly powered down and the DTMF genera- tor which only powers up when tones ...
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TRANSMIT INPUT SIGNAL PRECONDITIONING Microphone Amplifier (MIG) Microphone signals input at MI via switch MLI are amplified by a gain selectable amplifier of either dB, controlled by the MIG bit in the “Handsfree mode” control message. ...
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ACE9040 FINAL MODULATION PREPARATION Pre-emphasis A pre-emphasis filter follows the compressor to boost the amplitude of higher audio frequencies by tilting the fre- quency response per octave across the whole speech band as shown in figures 5 ...
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The cut- off frequencies are programmed by bits DATAF[1:0] in the “Initializing mode 1” control message. Filtered data passes through the mute switch DATM and a variable gain stage DATADEV with ...
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ACE9040 selected by setting the SATS bit to “1” in the “Initializing mode 1” control message. The ACE9040 connects the receive filter RXSAT output through a Schmitt trigger to drive pin RSO with a logic level version of the received ...
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RECEIVE VOICE PATH 8dB -6.4 to 6.4dB 180k RXI TONEM 10nF RXSENSE SIDETONE INPUT (-19dB) NOM -12dB -21 to 0dB RXLEVEL De-emphasis and Receive Signal Input Demodulated FM signals drive the RXI input pin via an external de-emphasis lowpass R-C ...
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ACE9040 expander input EIN by using an external summing network and internally open circuiting the drive to pin RBPO during the tone (not just muting the speech). This is achieved with bits COMP[2:1] in the “Initializing mode 0” control message ...
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TXC and RXC respectively, to give d.c. voltages corre- sponding to the signal levels. A switch HFS with its output at pin HF can be internally toggled between TXC and RXC to allow measurement of the two levels at ...
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ACE9040 APPLICATIONS INFORMATION To help with system set up tables show ACE9040's functions and their respective controlling bits. Table 23 shows the gains and filter characteristics pre- determined when setting the TACS & AMPS cellular system Function ...
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Gain and filter set-ups for user control bits: Receive External De-emphasis RXSENSE: Receive audio gain RXSENSE: Receive audio gain adjustment range RXBPF: RX bandpass filter RX Expander gain EXPGAIN: Internal RX Expander gain EXPGAIN: External Expander: Expansion about unaffected level ...
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ACE9040 D7 D6 WORD/BIT DATA 1 MIS PREEMPH DATA 2 DTMFMODE1 DTMFMODE0 DATA 3 EPH1 HIZ DATA DATA DATA WORD/BIT DATA 1 SOFTLIMIT SD DATA 2 RXSEN3 RXSEN2 DATA ...
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... Mitel. This publication is issued to provide information only and (unless agreed by Mitel in writing) may not be used, applied or reproduced for any purpose nor form part of any order or contract nor to be regarded as a representation relating to the products or services concerned. The products, their specifications, services and other information appearing in this publication are subject to change by Mitel without notice. No warranty or guarantee express or implied is made regarding the capability, performance or suitability of any product or service. Information concerning possible methods of use is provided as a guide only and does not constitute any guarantee that such methods of use will be satisfactory in a specifi ...