Alternative to opto for high-speed digital data coupling
5 June 2002
Telecoms, Datacoms, Wireless, IoT
NVE is an electronics component manufacturer specialising in the combination of magnetically-sensitive materials with integrated circuits. This relatively new solid-state magnetic technology is characterised by high sensitivity to magnetic fields coupled with small size and low power. NVE has applied these technologies to magnetic sensors, isolators and magnetoresistive random access memory (MRAM).
These components often outperform existing devices, providing both cost-effective and performance-enhanced solutions to sensing and data transmission applications. NVE's IsoLoop product line is high-speed digital isolators for communications, industrial controls and computer applications. These are 100 megabaud opto-replacement isolators said to be the fastest available in the world. The enabling technology is called magnetoelectronics, spintronics or SPINS.
Cross-section of IsoLoop device
IsoLoop devices are created from the combination of micro-machined coils fabricated over resistors made from giant magnetoresistive materials, or GMR. Highly dense, multichannel, isolated interface can be made when this semiconductor-based isolation structure process is combined on-chip with integrated circuits. IsoLoop devices use very little power because they only require a very short pulse to change state. They also have a very good pulse width distortion spec (2 ns) giving superior performance. Propagation delays are less than 10 ns and delay skews are 2 ns. True logic functions are achieved in almost the same sized packages as the original nonisolated logic function, without the need for exta surrounding components.
IsoLoop product have been used in industrial process control, instrumentation, telecommunications, automotive, medical, audio and other varied applications. NVE's continuing research focus includes GMR and magnetic tunnel junction (MTJ) materials, particularly as they may be applied to very low field sensing applications, eg nondestructive testing, geophysical anomaly measurement, and biomedical apparatus.
Further reading:
V2X transceiver modules
30 September 2020, RF Design
, Telecoms, Datacoms, Wireless, IoT
The VERA-P3 Series from u-blox are automotive grade 802.11p V2X (vehicle-to-everything) transceiver modules that operate in the 5,9 GHz frequency band. These automotive-grade modules are based on the
...
Read more...
Voltage tuneable notch filter bank
30 September 2020, RFiber Solutions
, Telecoms, Datacoms, Wireless, IoT
Atlanta Micro’s AM3129 is a miniature voltage-tuneable notch filter bank covering the 1,0 to 6,0 GHz frequency range in a 4 mm QFN package. Six notch filters and two bypass paths with SP8T switches on
...
Read more...
Permanent mounting MIMO antenna for Wi-Fi
30 September 2020, RF Design
, Telecoms, Datacoms, Wireless, IoT
The Ultima MA530 MIMO antenna from Taoglas is a low-profile, heavy-duty, fully IP67 waterproof external M2M antenna for use in transportation and remote monitoring applications. It provides high efficiency
...
Read more...
SPST RF switch for high-performance aperture tuning
30 September 2020, Hi-Q Electronics
, Telecoms, Datacoms, Wireless, IoT
Skyworks has introduced the SKY59272-707LF, a single-pole, single-throw (4xSPST) switch designed for antenna tuning applications that require ultra-low off-capacitance and low on-resistance. This device
...
Read more...
Applications for RF electromechanical relay switches
30 September 2020, RF Design
, Telecoms, Datacoms, Wireless, IoT
RF electromechanical switches are a key active device in many signal chains, including time-domain duplex communications and pulsed radar applications. Such switches can be as simple as a 3-port toggle
...
Read more...
Diplexer for GNSS L1 and L2
31 August 2020, RF Design
, Telecoms, Datacoms, Wireless, IoT
The Taoglas DXP.01.A is a diplexer for GNSS L1 and L2. This advanced compact SAW diplexer is for use in any navigation system application using the GPS/GALILEO L1, GLONASS L2 and BeiDou B2 bands. The
...
Read more...
Quectel unveils SA800U-WF premium smart module to enable computing and multimedia applications on Android OS devices
31 August 2020, iCorp Technologies
, Telecoms, Datacoms, Wireless, IoT
Quectel Wireless solutions has launched its SA800U-WF premium smart module which features a built-in Android 9.0 or 10.0 operating system (OS). The new module features a high performance, low power 64-bit
...
Read more...
Directional coupler
31 August 2020, RF Design
, Telecoms, Datacoms, Wireless, IoT
The MC16-0222SM from Marki Microwave is a directional coupler with frequency DC to 22 GHz, coupling 16 dB, directivity 14 to 23 dB, insertion loss 1,2 to 3,5 dB, and operating temperature
...
Read more...
Bluetooth wearable tags for social distancing
31 August 2020, RF Design
, Telecoms, Datacoms, Wireless, IoT
Nordic Semiconductor has announced that DigitalAlerts, an Eindhoven, Netherlands-based designer and manufacturer of smart digital warning systems, has selected Nordic’s nRF51822 Bluetooth Low Energy (Bluetooth
...
Read more...
RF variable attenuator
31 August 2020, RF Design
, Telecoms, Datacoms, Wireless, IoT
The 4205A-95.5 from API Technologies – Weinschel is a Programmable Attenuator that operates from 0,3 to 6000 MHz. It has an attenuation range from 0 to 95,75 dB with 0,25 dB steps, an insertion loss of
...
Read more...
printer friendly version