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Part Name(s) : XE0020 XE0020C
Xecom
Xecom
Description : Telephone Line Interface with Active Line Monitoring

Description
The XE0020 and XE0020C are complete compact Telephone Interface modules. As with all Xecom DAAs the XE0020 and XE0020C include Ring Detection, Switch-Hook, and Loop Current Holding Circuits. In addition both the XE0020 and XE0020C include two Line monitors to insure unobtrusive customer premises operation. The XE0020C also passes the Caller ID signal through to the system host.
Xecom designed the XE0020 and XE0020C for unobtrusive operation in residential applications. Two integral Line monitors prevent interference with the residents calls.

Features
* Small Size: 2.0" by 0.5" by 0.4" thick;
* Supports data transfer at 33,600 bps;
* FCC Part 68 Compliant;
* Ring Detection;
* Continuous Connect Detect Monitor;
* Handset Interrupt Monitor
* Single +5 Volt Power Supply;
* Hookswitch Control
* Caller ID Signal Path (XE0020C)

 

Motorola
Motorola => Freescale
Description : Telephone Line Interface

Telephone Line Interface

The TCA3388 is a Telephone Line Interface circuit which performs the basic functions of a Telephone set in combination with a microcontroller and a ringer. It includes dc and ac Line termination, the hybrid function with 2 adjustable sidetone networks, handset connections and an efficient supply point.

FEATURES
Line Driver and Supply
• DC and AC Termination of the Telephone Line
• Selectable DC Mask: France, U.K., Low Voltage
• Current Protection
• Adjustable Set Impedance for Resistive and Complex Termination
• Efficient Supply Point for Peripherals
• Hook Status Detection

Handset Operation
• Transmit and Receive Amplifiers
• Double Anti–Sidetone Network
Line Length AGC
• Microphone and Earpiece Mute
• Transmit Amplifier Soft Clipping

Dialing and Ringing
• Interrupter Driver for Pulse–Dialing
• Reduced Current Consumption During Pulse–Dialing
• DTMF Interfacing
• Ringing via External Ringer

Application Areas
• Corded Telephony
• Cordless Telephony Base Station
• Answering Machines
• Fax
• Intercom
• Modem

Motorola
Motorola => Freescale
Description : Telephone Line Interface and Speakerphone Circuit

The MC33215 is developed for use in fully electronic Telephone sets with speakerphone functions. The circuit performs the ac and dc Line termination, 2–4 wire conversion, Line length AGC and DTMF transmission. The speakerphone part includes a half duplex controller with signal and noise Monitoring, base microphone and loudspeaker amplifiers and an efficient supply. The circuit is designed to operate at low Line currents down to 4.0 mA enabling parallel operation with a classical Telephone set.

• Highly Integrated Cost Effective Solution
• Straightforward AC and DC Parameter Adjustments
• Efficient Supply for Loudspeaker Amplifier and Peripherals
• Stabilized Supply Point for Handset Microphone
• Stabilized Supply Point for Base Microphone
• Loudspeaker Amplifier can be Powered and Used Separately
• Smooth Switch–Over from Handset to Speakerphone Operation
• Adjustable Switching Depth for Handsfree Operation

Part Name(s) : XE0204
Xecom
Xecom
Description : 2-wire/4-wire Telephone Line Interface.

Description
The XE0204 provides a common Telephone Interface for networks integrating two and four-wire Telephone connections. The XE0204 supplies two and four wire leased Line connections, and complies with FCC Part 68 Rules for 2-wire connections to the public switched network.

Features
* Small Size 0 1.5” x 1.08” 0.42”
* FCC Part 68 Compliant
* Integral Ring Detection
* Integrated Switch Hook
* Switchable between two-wire and four-wire Lines
* Integral two-to-four wire convertor
* Integrated Telephone Line transformers
* 1500 volt isolation barrier between the Telephone Line and host equipment
* Supports both dial-up and leased Line applications
* Supports 14,400 BPS data transfer; V.32bis (2-wire),V.33 (4-wire)
* Operates on a single +5 Volt supply
* Standard Operating Temperature Range 0℃ to 70℃ Optional operating range, -40℃ to 85℃ available

Part Name(s) : XE0204
ETC
Unspecified
Description : 2-wire/4-wire Telephone Line Interface.

Description
The XE0204 provides a common Telephone Interface for networks integrating two and four-wire Telephone connections. The XE0204 supplies two and four wire leased Line connections, and complies with FCC Part 68 Rules for 2-wire connections to the public switched network.

Features
* Small Size 0 1.5” x 1.08” 0.42”
* FCC Part 68 Compliant
* Integral Ring Detection
* Integrated Switch Hook
* Switchable between two-wire and four-wire Lines
* Integral two-to-four wire convertor
* Integrated Telephone Line transformers
* 1500 volt isolation barrier between the Telephone Line and host equipment
* Supports both dial-up and leased Line applications
* Supports 14,400 BPS data transfer; V.32bis (2-wire),V.33 (4-wire)
* Operates on a single +5 Volt supply
* Standard Operating Temperature Range 0℃ to 70℃ Optional operating range, -40℃ to 85℃ available

Part Name(s) : MC34216ADW MC34216ADWF
Motorola
Motorola => Freescale
Description : Programmable Telephone Line Interface Circuit with Loudspeaker Amplifier

Programmable Telephone Line Interface Circuit with Loudspeaker Amplifier

The MC34216A is developed for use in Telephone applications where, besides the standard Telephone functions, the group listening–in feature is also required. In cooperation with a microcontroller, the circuit performs all basic Telephone functions including DTMF generation and pulse–dialing. The listening–in part includes a loudspeaker amplifier, an anti–howling circuit and a strong supply. In combination with the TCA3385, the ringing is performed via the loudspeaker.

• Programmable DC Mask, for France, U.K., and Voltage Regulated Countries
• DC Mask for France and U.K. (MC34216ADWF)
• Programmable Volume for Listening–In and Ringing
• Small Amount of External Components
• On–Chip DTMF and Ring Signal Generator
• Efficient Supply Point for Loudspeaker Amplifier and Peripherals
• Programmable Modes for Speakerphone, Answering Machine, Fax and Modem Applications
• Pilot and Idle Tones Provide Extra Phone Features

Part Name(s) : UBA1706 UBA1706TS
Philips
Philips Electronics
Description : Cordless Telephone Line Interface

GENERAL DESCRIPTION
The UBA1706 is a BiCMOS integrated circuit intended for use in mains-powered telecom terminals. It performs all speech and Line Interface functions, DC mask for voltage or current regulation and electronic hook switch control. The device also includes general purpose switches.

FEATURES
Line Interface
• Low DC Line voltage; operates down to 1.2 V (excluding polarity guard)
• Voltage regulator with adjustable DC voltage
• DC mask for voltage or current regulation (CTR21)
Line current limitation for protection
• Electronic hook switch control input
• Transmit amplifier with:
    – Symmetrical inputs
    – Fixed gain
    – Large signal handling capability.
• Receive amplifier with fixed gain
• Transmit and receive amplifiers Automatic Gain Control (AGC) for Line loss compensation.

APPLICATIONS
• Cordless base stations
• Mains or battery-powered Telephone sets.

Part Name(s) : XE0017
Xecom
Xecom
Description : Low-Profile, V.34 Compatible Telephone Line Interface

Description
The XE0017 is fully-integrated, low-profile, high performance Telephone Line Interface module. It complies with FCC Part 68 requirements for direct connection to the public switched Telephone network.

Features
* Small Size: 0.95 inches by 0.925 inches by 0.260 inches
* FCC Part 68 Compliant
* V.34 compatible
* Compatible with Rockwells Socket Modems
* 2 to 4 Wire Converter
* Ring Detection
* Single +5V Operation
* Hookswitch Control
* UL and CSA Recognized
* Extended Temperature Range Parts available

Part Name(s) : MC34216DW MC34216
Motorola
Motorola => Freescale
Description : Programmable Telephone Line Interface Circuit with Loudspeaker Amplifier

Programmable Telephone Line Interface Circuit with Loudspeaker Amplifier

The MC34216 is developed for use in Telephone applications where besides the standard Telephone functions also the group listening–in feature is required. In cooperation with a microcontroller, the circuit performs all basic Telephone functions including DTMF generation and pulse dialing. The listening–in part includes a loudspeaker amplifier, an anti–howling circuit and a strong supply. In combination with the TCA3385, the ringing is performed via the loudspeaker.

FEATURES
Line Driver and Supply
• DC and AC Termination of the Line
• Selectable Masks: France, U.K., Low Voltage
• Current Protection
• Adjustable Set Impedance for Resistive and Complex Termination
• Efficient Supply Point for Loudspeaker Amplifier and Peripherals

Handset Operation
• Transmit and Receive Amplifiers
• Adjustable Sidetone Network
Line Length AGC
• Microphone and Earpiece Mute
• Earpiece Gain Increase Switch
• Microphone Squelch Function
• Transmit Amplifier Soft Clipping

Dialing and Ringing
• Generates DTMF, Pilot Tones and Ring Signal
• Interrupter Driver for Pulse–Dialing
• Low Current While Pulse–Dialing
• Optimized for Ringing via Loudspeaker
• Programmable Ring Melodies
• Uses Inexpensive 500 kHz Resonator

Loudspeaking Facility
• Integrated Loudspeaker Amplifier
• Peak–to–Peak Limiter Prevents Distortion
• Programmable Volume
• Anti–Howling Circuitry for Group Listening–In
• Interfacing for Handsfree Conversation

Application Areas
• Corded Telephony with Group Listening–In
• Cordless Telephony Base Station with Group Listening–In
Telephones with Answering Machines
• Fax, Intercom, Modem

Motorola
Motorola => Freescale
Description : Cordless Universal Telephone Interface

Cordless Universal Telephone Interface

The MC34016 is a Telephone Line Interface meant for use in cordless Telephone base stations for CT0, CT1, CT2 and DECT. The circuit forms the Interface towards the Telephone Line and performs all speech and Line Interface functions like dc and ac Line termination, 2–4 wire conversion, automatic gain control and hookswitch control. Adjustment of transmission parameters is accomplished by two 8–bit registers accessible via the integrated serial bus Interface and by external components.

• DC Masks for Voltage and Current Regulation
• Supports Passive or Active AC Set Impedance Applications
• Double Wheatstone Bridge Sidetone Architecture
• Symmetrical Inputs and Outputs with Large Signal Swing Capability
• Gain Setting and Mute Function for Tx and Rx Amplifiers
• Very Low Noise Performance
• Serial Bus Interface SPI Compatible
• Operation from 3.0 to 5.5 V

FEATURES
Line Driver Architecture
• Two DC Masks for Voltage Regulation
• Two DC Masks for Current Regulation
• Passive or Active Set Impedance Adjustment
• Double Wheatstone Bridge Architecture
• Automatic Gain Control Function

Receive Channel
• Double Sidetone Architecture for Optimum Line Matching
• Symmetrical Outputs Capable of Producing High Voltage Swing
• Gain Select Option via Serial Bus Interface
• Receive Mute Function, Programmable via Serial Bus

Serial Bus Interface
• 3–Wire Connection to Microcontroller
• One Programmable Output Meant for Driving a Hookswitch
• Two Programmable Outputs Capable of Driving Low Ohmic Loads
• Two 8–Bit Registers for Parameter Adjustment

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