One to One Signal Transformers

Description

One to One Signal Transformers are devices designed to transfer electrical signals between two circuits while maintaining the same voltage level. They primarily serve to isolate the circuits, ensuring that the signal is transmitted without any change in amplitude.

Working Principle

One to One Signal Transformers operate on the principle of electromagnetic induction. They consist of primary and secondary coils that are magnetically coupled but electrically isolated. When an alternating current (AC) flows through the primary coil, it creates a magnetic field that induces a voltage in the secondary coil. This process allows the transformer to transfer energy from one circuit to another without direct electrical connection, making them particularly useful for isolating circuits and preventing ground loops. They are effective only with AC signals, as the magnetic field must vary to induce a voltage .

Applications

One to One Signal Transformers are commonly used in applications where signal isolation is crucial. For example, they are employed in audio systems to prevent noise and interference between different components. They are also used in radio frequency (RF) circuits to maintain signal integrity and in sensitive measurement devices where ultra-low noise is essential .

Advantages over other Signal Transformers

One to One Signal Transformers offer several advantages, particularly in terms of isolation and noise reduction. Unlike other transformers that may alter the signal amplitude, these transformers maintain the original signal level, which is crucial in applications requiring precise signal integrity. Additionally, they do not require an external power supply, making them efficient for AC signal applications such as audio systems .

Limitations

A significant limitation of One to One Signal Transformers is their inability to work with direct current (DC) signals. Since they rely on a varying magnetic field to induce voltage, they cannot transfer DC signals without converting them to AC first. This conversion process can introduce complexity and potential signal distortion .

Considerations

When considering One to One Signal Transformers, it is important to evaluate factors such as initial costs, operating expenses, and durability. These transformers are generally cost-effective due to their simple construction and lack of need for an external power source. However, their performance is highly dependent on the quality of materials used, which can affect durability and maintenance costs. Additionally, while they offer high accuracy for AC signals, their inability to handle DC signals without conversion should be considered in applications where both AC and DC signals are present .

12 Results
Transformers - Audio Transformers - Signal Level -- 835A
from Hammond Manufacturing Company Inc.

Features. Deep-drawn steel case with tin plated finish, with two convenient 6-32 mounting studs with hardware. Includes wire leads (minimum length of 4"). Frequency response +/- 0.5 db max. from 50 Hz. to 15 Khz. Insertion loss of apx. 1 db. Maximum power level +15 dbm. (except 841A, 842A & 844A... [See More]

  • Winding Turns: One to One
  • Standards / Compliance: RoHS
  • Other Transformer Types / Applications: Electronics
Pulse Transformers and Modules for LAN
from EPCOS AG

Pulse transformers for LAN applications transmit pulse signals through LAN cables with networking equipment and audiovisual equipment. They protect the circuits of these devices by blocking electrostatic discharges and high-voltage transients due to insulation between the primary and secondary... [See More]

  • Winding Turns: One to One
  • Package Type: Surface Mount
  • Mounting: PCB/SMD
Aluminium Enamelled Wire Toroidal Transformer -- HDB-600-2L
from Hengda Electronic Factory

Safe and reliable, small volume, light weight, high efficiency, low magnetic leakage. The dimension and installation method can be adjusted in order to meet the needs of different customers. We have certificates such as UL, CE, RoHS, CESI, ISO9001 and so on. The isolation transformer adopts aluminum... [See More]

  • Winding Turns: One to One
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Electronics
  • Mounting: Chassis
Pulse Transformer with Double Secondary Winding -- IT series
from Schaffner EMC Inc.

Galvanic separation of drive and power circuit. Voltage resistance up to 4kV. Ignition current up to 1A. Turns ratio up to 3:1:1. Frequency : ≤ 40000 Hz. Ignition currents : 0.1 to 1 A. Operating frequency : 0 to 40000 Hz. Rise time : 0.4 to 4 µs [See More]

  • Winding Turns: Step-Down Transformer; One to One
  • Operating Frequency: 40000 to 500000
  • Other Transformer Types / Applications: Electronics
  • Mounting: PCB/SMD
Isolation Transformer -- ST-200A
from TEGAM, Inc.

TEGAM's ST transformers are designed to meet the requirements of a wide variety of bridge circuitry, isolation and calibration applications. The ST units can be used to provide a balanced output from an unbalanced source. These transformers may be combined with TEGAM ratio transformers in bridging... [See More]

  • Winding Turns: One to One
  • Center Tap Options: Secondary Side
  • Other Transformer Types / Applications: Isolation
  • Operating Frequency: 50 to 10000
3kV Reinforced Insulation Transformer -- TSD-1227
from Premier Magnetics, Inc.

— Designed for Use with Power Integrations, Inc. TinySwitch Series Off-Line Switcher Controllers —. Designed to meet a Universal Input of 85Vac to 265Vac, 47Hz to 440Hz. Up to 6000Vrms of Isolatio [See More]

  • Winding Turns: One to One
  • Center Tap Options: None
  • Other Transformer Types / Applications: Isolation
  • 3 dB Bandwidth: 3.80E8
Efficient Isolation Transformer -- HDB-500
from Hengda Electronic Factory

Safe and reliable, small volume, light weight, high efficiency, low magnetic leakage. The dimension and installation method can be adjusted in order to meet the needs of different customers. We have certificates such as UL, CE, RoHS, CESI, ISO9001 and so on. The isolation transformer adopts aluminum... [See More]

  • Winding Turns: One to One
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Isolation; Electronics
  • Mounting: Chassis
Pulse Transformer with Single Secondary Winding -- IT series
from Schaffner EMC Inc.

Galvanic separation of drive and power circuit. Voltage resistance up to 8 kV. Ignition current up to 3 A. Turns ratio up to 3:1. Frequency : ≤ 40000 Hz. Ignition currents : 0.1 to 3 A. Operating frequency : 0 to 40000 Hz. Rise time : 0.3 to 2.3 µs [See More]

  • Winding Turns: Step-Down Transformer; One to One
  • Operating Frequency: 40000 to 500000
  • Other Transformer Types / Applications: Electronics
  • Operating Temperature: -20 to 70
Isolation Transformer with Elctrostatic Shield -- ST-248A
from TEGAM, Inc.

TEGAM's ST transformers are designed to meet the requirements of a wide variety of bridge circuitry, isolation and calibration applications. The ST units can be used to provide a balanced output from an unbalanced source. These transformers may be combined with TEGAM ratio transformers in bridging... [See More]

  • Winding Turns: One to One
  • Center Tap Options: Secondary Side
  • Other Transformer Types / Applications: Isolation
  • Operating Frequency: 50 to 10000
Audio Data Transmission Transformer -- PM-AD001
from Premier Magnetics, Inc.

Operating transmission rates:1 to 7 Mbps. Inductance test at 100KHz. Controlled rise time: 25 nsec Maximum. RoHS Compliance [See More]

  • Winding Turns: One to One
  • Center Tap Options: None
  • Other Transformer Types / Applications: Audio
  • 3 dB Bandwidth: 5.50E7
Isolation Transformer Toroidal -- HDB-1000
from Hengda Electronic Factory

Safe and reliable, small volume, light weight, high efficiency, low magnetic leakage. The dimension and installation method can be adjusted in order to meet the needs of different customers. We have certificates such as UL, CE, RoHS, CESI, ISO9001 and so on. The isolation transformer adopts aluminum... [See More]

  • Winding Turns: One to One
  • Operating Frequency: 50 to 60
  • Other Transformer Types / Applications: Isolation; Electronics
  • Mounting: Chassis
Dual Core Isolation Transformer -- TSD-967
from Premier Magnetics, Inc.

Transmit & Receive in a Single SMD Package. Industry Standard SMD Package. 2000Vrms Minimum Isolation Voltage. Extended Temperature Range Versions [See More]

  • Winding Turns: One to One
  • Center Tap Options: Both Sides
  • Other Transformer Types / Applications: Telecom; Isolation
  • Operating Temperature: -40 to 85