dtmf principle
Abstract: DTMF circuit
Text: APPLICATION NOTE H8S Family DTMF Signal Output DTMF Generation Circuit Introduction The internal DTMF generation circuit is used to output the DTMF signals. A 4 x 4 keypad is externally connected. Target Device H8S/2268 Contents 1. Specifications . 2
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H8S/2268
REJ06B0487-0100/Rev
dtmf principle
DTMF circuit
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1633L
Abstract: 1477L 1335L 1N4148 2N3906 BC327 BC337 BC549B pwm Sine wave generation
Text: APPLICATION NOTE H8/300L SLP Series PWM Producing DTMF Signal DTMF Introduction Dual Tone Multi-Frequency (DTMF) is generally used for telephony application. In the case when the MCU does not carry a DTMF generator, software implementation can be achieved by using the Pulse Width Modulation (PWM) module of the MCU.
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H8/300L
H8/38024
RES06B0006-0100/Rev
1633L
1477L
1335L
1N4148
2N3906
BC327
BC337
BC549B
pwm Sine wave generation
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XE0068
Abstract: lm339 square wave 220O LM339 XE0068DT DTMF telephone circuitry
Text: XE0068DT November 2004 FCC Registered DAA Module with DTMF Transmitter/Decoder Description Features The XE0068DT is an FCC registered telephone line interface which includes a DTMF transmitter, DTMF decoder and call progress monitor. * Small Size - 2.28" x 1.08" x 0.42"
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XE0068DT
XE0068DT
XE0068
lm339 square wave
220O
LM339
DTMF telephone circuitry
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Untitled
Abstract: No abstract text available
Text: XE0068DT 11/2002 FCC Registered DAA Module with DTMF Transmitter/Decoder Description Features The XE0068DT is an FCC registered telephone line interface which includes a DTMF transmitter, DTMF decoder and call progress monitor. * Small Size - 2.28" x 1.08" x 0.42"
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XE0068DT
XE0068DT
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AN408
Abstract: lm339 square wave XE0068DT 220O
Text: XE0068DT August 2005 FCC Registered DAA Module with DTMF Transmitter/Decoder Description Features The XE0068DT is an FCC registered telephone line interface which includes a DTMF transmitter, DTMF decoder and call progress monitor. * Small Size - 2.28" x 1.08" x 0.42"
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XE0068DT
XE0068DT
AN408
lm339 square wave
220O
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Untitled
Abstract: No abstract text available
Text: HT95R35 Phone 8-Bit MCU with DTMF Receiver Technical Document • Application Note - HA0075E MCU Reset and Oscillator Circuits Application Note Features · Operating voltage: · DTMF generator fSYS= 3.58MHz: 2.2V~5.5V fSYS= 14.32MHz: 4.5V~5.5V · DTMF receiver
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HT95R35
HA0075E
58MHz:
32MHz:
12-bit
32MHz
16-bit
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HT95R35
Abstract: PC10 PC11 PC13 current buffer 150ma TRa 1110
Text: HT95R35 Phone 8-Bit MCU with DTMF Receiver Technical Document • Application Note - HA0075E MCU Reset and Oscillator Circuits Application Note Features · Operating voltage: · DTMF generator fSYS= 3.58MHz: 2.2V~5.5V fSYS= 14.32MHz: 4.5V~5.5V · DTMF receiver
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HT95R35
HA0075E
58MHz:
32MHz:
12-bit
32MHz
16-bit
HT95R35
PC10
PC11
PC13
current buffer 150ma
TRa 1110
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lm339 square wave
Abstract: 1N4148 220O XE0068DT XEV90 xecom modem "40 pin" DTMF telephone circuitry
Text: XE0068DT 2/99 FCC Registered DAA Module with DTMF Transmitter/Decoder Features Description The XE0068DT is an FCC registered telephone line interface which includes a DTMF transmitter, DTMF decoder and call progress monitor. FCC rules limit the signal level that equipment can
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XE0068DT
XE0068DT
lm339 square wave
1N4148
220O
XEV90
xecom modem "40 pin"
DTMF telephone circuitry
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t capacitor 100N k100
Abstract: SLAAE10B MSP430 msp430 lcd dem capacitor 100N k100 mathcad* Monte Carlo method Analog Applications Journal
Text: Generation and Recognition of DTMF Signals with the Microcontroller MSP430 Robert Siwy Texas Instruments Deutschland GmbH SLAAE16 October 1997 &RQWHQWV SDUW , 1 Introduction 7 2 The specification of DTMF signals 7 3 The generation of DTMF signals 9 3.1 Generation from square-wave signals
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MSP430
SLAAE16
CAS-24,
MSP430,
t capacitor 100N k100
SLAAE10B
MSP430
msp430 lcd dem
capacitor 100N k100
mathcad* Monte Carlo method
Analog Applications Journal
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BU8874
Abstract: BU8874F C501 C502 C591 Q591 R591 dtmf based electrical load control
Text: Communication ICs DTMF receiver for telephones BU8874 / BU8874F The BU8874 and BU8874F are DTMF receiver ICs developed for use in telephone answering machines, and convert 16 different types of DTMF signals into 4-bit binary serial data. In addition to a compact 8-pin DIP BU8874 package,
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BU8874
BU8874F
BU8874F
BU8874)
C501
C502
C591
Q591
R591
dtmf based electrical load control
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dtmf based project
Abstract: DTMF encoder decoder pwm Sine wave generation DTMF encoder DTMF encoder datasheets pwm Sine wave generation microcontroller sine number microcontroller DTMF Tone Decoder fs encore AN024802-0608
Text: Application Note Generating DTMF Tones Using Z8 Encore! MCU AN024802-0608 Abstract Discussion This Application Note describes how Zilog’s Z8 Encore!® MCU is used as a Dual-Tone Multi-Frequency DTMF signal encoder to generate DTMF tones. Z8 Encore! microcontrollers have built-in
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AN024802-0608
dtmf based project
DTMF encoder decoder
pwm Sine wave generation
DTMF encoder
DTMF encoder datasheets
pwm Sine wave generation microcontroller
sine number microcontroller
DTMF Tone Decoder
fs encore
AN024802-0608
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DTMF telephone
Abstract: dtmf Q591 R595 BU8871F C501 C502 C591 R591 JP592
Text: Communication ICs DTMF receiver for telephones BU8871F The BU8871F is a DTMF receiver ICs developed for use in telephone answering machines, and converts 16 different types of DTMF signals into 4-bit binary serial data. It features a wide dynamic range, eliminating the need for an external
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BU8871F
BU8871F
19MHz
DTMF telephone
dtmf
Q591
R595
C501
C502
C591
R591
JP592
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Untitled
Abstract: No abstract text available
Text: HT95R45 Phone 8-Bit MCU with DTMF Receiver & CPT Features • Serial Interfaces Module: SIM for SPI or I2C · Operating voltage: fSYS=3.58MHz: 2.2V~5.5V fSYS=7.16MHz: 3.0V~5.5V fSYS=10.74MHz: 3.0V~5.5V fSYS=14.32MHz: 4.5V~5.5V · Internal DTMF generator · Internal DTMF receiver
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HT95R45
58MHz:
16MHz:
74MHz:
32MHz:
12-bit
32MHz
16-bit
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Q591
Abstract: BU8874 BU8874F C501 C502 C591 R591 dtmf circuit diagram of dtmf dtmf interface with microcontroller
Text: Communication ICs DTMF receiver for telephones BU8874 / BU8874F The BU8874 and BU8874F are DTMF receiver ICs developed for use in telephone answering machines, and convert 16 different types of DTMF signals into 4-bit binary serial data. In addition to a compact 8-pin DIP BU8874 package,
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BU8874
BU8874F
BU8874F
BU8874)
Q591
C501
C502
C591
R591
dtmf
circuit diagram of dtmf
dtmf interface with microcontroller
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HT95R45
Abstract: PC10 PC11 PC13 HT95R35
Text: HT95R45 Phone 8-Bit MCU with DTMF Receiver & CPT Features • Serial Interfaces Module: SIM for SPI or I2C · Operating voltage: fSYS=3.58MHz: 2.2V~5.5V fSYS=7.16MHz: 3.0V~5.5V fSYS=10.74MHz: 3.0V~5.5V fSYS=14.32MHz: 4.5V~5.5V · Internal DTMF generator · Internal DTMF receiver
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HT95R45
58MHz:
16MHz:
74MHz:
32MHz:
12-bit
32MHz
16-bit
HT95R45
PC10
PC11
PC13
HT95R35
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M889p
Abstract: dtmf generator
Text: 8-Bit Proprietary F2MC-8L Family DTMF Generator Products I F2MC-8L Family DTMF Generator Products MB89170/170A Series Standard products compact, DTMF generator Maximum clock frequency: 3.58 MHz (32.768 kHz) Minimum execution time: 1.1 hs to 17.6 fas (61 us)
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MB89170/170A
21-bit
16-bit
15-bit
MB89173
MB89174A
MB89P173
MB89P175A
M889p
dtmf generator
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Untitled
Abstract: No abstract text available
Text: ÏC E L X D N E DTMF RECEIVERS & TRANSCEIVERS INNOVATINGSOLUTIONS M-8880 DTMF Transceiver Applications The M-8880 is a complete DTMF Transmitter/Receiver that features adjustable guard time, automatic tone burst mode, call progress mode, and a fully compatible 6500/6800 micro
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M-8880
M-8870
22121-20th
M-8880
M-8880-01C
M-8880-01P
M-8880-01SM
21-20th
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4367
Abstract: LC73860 EN4367
Text: Ordering num ber: EN 4367 CMOS LSI LC73860 No. 4367 SA\YO DTMF Receiver 1C i OVERVIEW PIN ASSIGNMENT The LC73860 is a DTMF signal detector receiver that incorporates all the necessary filters for telephone answering machines. FEATURES • 16-DTMF tone signal decoder
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EN4367
LC73860
LC73860
16-DTMF
3001B-DIP8
4367
EN4367
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Untitled
Abstract: No abstract text available
Text: G8888 G8888-1 A CMD Microcircuits CMOS Integrated DTMF Transceiver Features General Description • Advanced CMOS technology for low power consumption . . and increased noise immunity • Complete DTMF Transmitter/Receiver within a single chip The CMD G8888 is a fully integrated DTMF Transceiver, fea
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G8888
G8888-1
G8888
G8870
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Untitled
Abstract: No abstract text available
Text: ÏC E L X D N E DTMF RECEIVERS & TRANSCEIVERS M -8888 DTMF Transceiver Applications The Teltone M-8888 is a complete DTMF Transmitter/Re ceiver that features adjustable guard time, automatic tone burst mode, call progress mode, and a fully compatible 8051,
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M-8888
M-8870
M-8888
M-8888-01C
M-8888-01P
M-8888-01SM
-20th
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Untitled
Abstract: No abstract text available
Text: DTMF RECEIVERS & TRANSCEIVERS îc e l x o n e M-8880 DTMF Receiver Applications The M-8880 is a complete DTMF Transmitter/Receiver that features adjustable guard time, automatic tone burst mode, call progress mode, and a fully compatible 6500/6800 micro
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M-8880
M-8870
M-8880-01C
M-8880-01P
M-8880-01SM
M-8880-01PC
22l21-20th
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8870 dtmf
Abstract: 8870 DTMF circuit circuit DTMF transmitter DTMF 8870 DTMF mobile TDA 0200 fox rx3 DDD1733 M-8870 M-8888
Text: tC E L X D N E _ DTMF RECEIVERS & TRANSCEIVERS INNOVATING SOLUTIONS M -8888 DTMF Transceiver The Teltone M-8888 is a complete DTMF Transmitter/Re ceiver that features adjustable guard time, automatic tone burst mode, call progress mode, and a fully compatible 8051,
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M-8888
M-8870
MM06150
MMD7000
M-8888-01C
M-8888-01P
M-8888-01
22121-20th
D00173S
8870 dtmf
8870 DTMF circuit
circuit DTMF transmitter
DTMF 8870
DTMF mobile
TDA 0200
fox rx3
DDD1733
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Untitled
Abstract: No abstract text available
Text: ïr g L T O N E * DTMF RECEIVERS & TRANSCEIVERS INNOVATING SOUCIONS M-8888 DTMF Transceiver The Teltone M -8888 is a complete DTMF Transmitter/Re ceiver that features adjustable guard time, automatic tone burst mode, call progress mode, and a fully compatible 8051,
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M-8888
M-8870
24K11
M-8888-01C
M-8888-01P
M-8888-01SM
-20th
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Untitled
Abstract: No abstract text available
Text: IC e ix c in e * DTMF RECEIVERS & TRANSCEIVERS iW lW L — M -8880 DTMF Transceiver The M-8880 is a complete DTMF Transmitter/Receiver that features adjustable guard time, automatic tone burst mode, call progress mode, and a fully compatible 6500/6800 micro
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M-8880
M-8870
M-8880
M-8880-01C
M-8880-01P
M-8880-01SM
M-8880-01PC
-20th
fl13a4MS
0DD1723
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