tcm3105 ETC-unknow, tcm3105 Datasheet
tcm3105
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tcm3105 Summary of contents
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... CDT output if the level of received in-band energy falls below a value set on the CDL input for a specified minimum duration. The TCM3105JE and TCM3105NE are characterized for operation from – C.The TCM3105DWL, TCM3105JL, and TCM3105NL are characterized for operation from ...
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... TCM3105DWL, TCM3105JE, TCM3105JL TCM3105NE, TCM3105NL FSK MODEM SCTS019C – NOVEMBER 1985 – REVISED MAY 1994 TERMINAL NO. NAME NAME CDL 14 10 Carrier-detect-level adjust for external adjustment of carrier-detect threshold CDT 3 3 Carrier-detect output. A low-level output indicates carrier failure CLK 2 2 Output for a continuous clock signal at 16 times the highest selected (transmit or receive) bit rate ...
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... OSC1 Oscillator Connection OSC2 TXE1 Bit-Rate Select TXE2 Transmit/Receive TRS Standard Select timing diagram RXA Input (amplitude of received signal) CDT Output TCM3105DWL, TCM3105JE, TCM3105JL Digital- XMT to-Analog Filter Converter FSK Receive Comparator Demodulator Filter and Group Offset Delay Compensation Equalizer Carrier- ...
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... TCM3105DWL, TCM3105JE, TCM3105JL TCM3105NE, TCM3105NL FSK MODEM SCTS019C – NOVEMBER 1985 – REVISED MAY 1994 absolute maximum ratings over operating free-air temperature range (unless otherwise noted) Supply voltage range, V (see Note 1) DD Input voltage range, V (any input) I Operating free-air temperature range, T Storage temperature range: ...
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... All typical are ‡ Bias distortion is the departure from a 50% duty cycle when a series of alternating mark and space tones is received. § This is the threshold with the CDL input properly adjusted. TCM3105DWL, TCM3105JE, TCM3105JL SCTS019C – NOVEMBER 1985 – REVISED MAY 1994 TCM3105JE ...
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... TCM3105DWL, TCM3105JE, TCM3105JL TCM3105NE, TCM3105NL FSK MODEM SCTS019C – NOVEMBER 1985 – REVISED MAY 1994 The TCM3105 FSK modem is made up of four functional circuits. The circuits are the transmitter, the receiver, a carrier detector, and control and timing (see Figure 1). Bias Adjust Analog Input ...
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... The single-supply rail means that all analog functions are referenced to an internally generated reference. All analog inputs and outputs must be ac coupled. transmit and receive modes The various modes of operation of the TCM3105 are given in Table 1. The data convention is that a logic high is a mark and a logic low is a space. TCM3105DWL, TCM3105JE, TCM3105JL SCTS019C – ...
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... TCM3105DWL, TCM3105JE, TCM3105JL TCM3105NE, TCM3105NL FSK MODEM SCTS019C – NOVEMBER 1985 – REVISED MAY 1994 STANDARD TRS TXR1 TXR2 CCITT V 23 CCITT V.23 CCITT V 23 CCITT CLK L L CLK CLK/8 ...
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... Line Signaling Termination 4-Wire Converter Pin numbers shown are for the J and N packages. Figure 2. Typical System Configuration POST OFFICE BOX 655303 POST OFFICE BOX 1443 TCM3105DWL, TCM3105JE, TCM3105JL SCTS019C – NOVEMBER 1985 – REVISED MAY 1994 RXB CDL 1 ...
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... TCM3105DWL, TCM3105JE, TCM3105JL TCM3105NE, TCM3105NL FSK MODEM SCTS019C – NOVEMBER 1985 – REVISED MAY 1994 OSC1 OSC2 Receive 8 RXD RXB Data 14 Transmit TXD Data TCM3105 CDL 100 k TXA 3 Carrier CDT Detect 5 TRS 13 TXR1 Select Mode 12 (bit rate and ...
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... CDT Carrier Detect 2 Clock CLK Figure 4. Simplified Telephone Line Interface Circuit POST OFFICE BOX 655303 POST OFFICE BOX 1443 TCM3105DWL, TCM3105JE, TCM3105JL TCM3105NE, TCM3105NL SCTS019C – NOVEMBER 1985 – REVISED MAY 1994 100 0 600 + U1A 100 k ...
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