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Supplier: TelephoneStuff.com
Description: 600-Ohm Plug-In Transformer for Power Amplifier. Features: - Provides balanced 600-ohm input match and isolation - impedance matches the output of a 600-ohm telephone line to a Bogen power amplifier input - Transformer connections
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Supplier: TelephoneStuff.com
Description: Valcom Input Ohm Matching Transformer. Features: - Matches 500-600 Ohm lines to either a high impedance input or output of an amplifier - May be used to connect audio page ports of telephone systems to most 70 Volt amplifiers
- Other Transformer Types / Applications: Impedance Matching Transformer
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Supplier: Allied Electronics, Inc.
Description: Designed for use where several telephones are connected to a single incoming-outgoing line. The TY Series is adaptable for hybrid, bridging or coupling applications. These coupling transformers provide a correct means of impedance matching and balancing through close coupling
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Supplier: Allied Electronics, Inc.
Description: Designed for use where several telephones are connected to a single incoming-outgoing line. The TY Series is adaptable for hybrid, bridging or coupling applications. These coupling transformers provide a correct means of impedance matching and balancing through close coupling
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Supplier: Allied Electronics, Inc.
Description: TRIAD audio printed circuit transformers are used in line matching, telephone coupling, pulse trigger, driver, interstage, output, isolation and input applications. Frequency Response Ranges: 200-15,000 Hz. Impedance Matching: 10% over frequency range.
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Supplier: Allied Electronics, Inc.
Description: TRIAD audio printed circuit transformers are used in line matching, telephone coupling, pulse trigger, driver, interstage, output, isolation and input applications. Frequency Response Ranges: 200-15,000 Hz. Impedance Matching: 10% over frequency range.
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Supplier: ValueTronics International, Inc.
Description: and auxiliary sources. Output screw terminals are provided for 4-ohm (direct), 16-ohm, 25V and 70V (transformer-coupled) speaker systems. Output jacks let you connect to a tape recorder or an additional booster amplifier, or feed a 600-ohm telephone line
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Smart telephone design-caller identification and answering machine
The AC impedance of the transformer is 600 ohms which is specified to match the impedance of telephone line for ensuring maximum power transfer.
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The Uppsala seismograph array station
The impedance of the telephone line is 600 ohms and the telemetering equipment is matched to this impedance by means of line transformers .
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Power Line Carrier Coupling¿A New Look at the Tuned Type
A similar condition exists in telephone practice where a high-pass-low-pass line filter is used to separate two fre … … the voice frequencies go through the low-pass section to one cable pair operated at 600 ohms , while the carrier frequencies … … foregoing, the two basic requirements for the power line coupling network emerge: (a) matching the impedance of … … impedance matching is met in part by the use of an appropriate carrier transformer located between the …
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A Simple Technique for Video Image Transmission
connect the signal to the telephone line. 600 ohm matching transformer , and it .
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A Portable Microwave Communication Set
… transmitter and receiver combination to a two-wire circuit for use with a two-wire telephone line. … a re- sistance-type hybrid as contrasted to the more conven- tional hybrid coil or transformer type. They were selected as the nearest standard values to match a 600 - ohm line.
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Bogen Communications, Inc. - WMT1A - Transformers - Transformer - Allied Electronics
WMT1A is a general purpose matching transformer that allows proper connections between high (10 kΩ) and low ( 600 Ω) inputs and outputs. Designed especially for matching inputs from, or outputs to, a 600- Ohms line. Used to connect telephone systems to most public address amplifiers for telephone paging.
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Connecting a PICmicro® Microcontroller to a Standard Analog Telephone Line
The hookswitch on the line side of the transformer is not shown but can be imple- mented … This is how a telephone works; the ring is detected audibly and the handset is removed from the cradle creating a loop circuit and presenting an imped- ance of 600 ohms to the line. This should be matched on the Termination side (ZT), hence the two .