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Sital’s SIT-2579 is a dual-channel MIL-STD-1553 or MIL-STD-1553/1760 transceiver/transformer combo. This integrated solution is based on the design of the SIT-1579 dual transceiver with the addition of a dual isolation transformer to provide transformer (stub) coupling. The transmitter outputs from the SIT-2579-1760 version provides a minimum stub voltage of 20 volts peak-to-peak, making it suitable for MIL-STD-1760 applications.
Products
| Part Number | Mode | Temperature Range | Description | RFQ | RFI | Tech Support |
|---|---|---|---|---|---|---|
| SIT-2579 | MIL-STD-1553 | -40 to +85° C | Dual redundant transceiver/transformer combo. 16-pin, 17.0 x 13.2 16-pad leadless flatpack | RFQ | RFI | Tech Support |
| SIT-2579-ET | MIL-STD-1553 | -55 to +125° C | Dual redundant transceiver/transformer combo. 16-pin, 17.0 x 13.2 16-pad leadless flatpack | RFQ | RFI | Tech Support |
| SIT-2579-1760 | MIL-STD-1553/1760 | -40 to +85° C | Dual redundant transceiver/transformer combo. 16-pin, 17.0 x 13.2 16-pad leadless flatpack | RFQ | RFI | Tech Support |
| SIT-2579-1760-ET | MIL-STD-1553/1760 | -55 to +125° C | Dual redundant transceiver/transformer combo. 16-pin, 17.0 x 13.2 16-pad leadless flatpack | RFQ | RFI | Tech Support |
Overview
The SIT-2579 interfaces with 3.3V logic signals from an FPGA or digital ASIC instantiating one of Sital’s MIL-STD-1553 IP cores. Based on discrete components, the SIT-2579 uses state of art power switching devices to reduce power dissipation to under 300 mW at 100% transmit duty cycle. This provides the lowest transmitter dissipation in the industry. In addition, no special thermal pads are required for mounting the device.
The SIT-2579 comes in a 16-pad leadless, surface-mount package.
The SIT-2579 transceiver operates in conjunction with Sital’s 1553 digital IP instantiated in an FPGA or ASIC. By means of a real-time closed-loop correction technique, this enables the SIT-2579 to eliminate or minimize transmitter residual voltages, aka dynamic offsets or “tails” at the end of message transmissions. By allowing continuous adjustment to compensate for changes in power supply voltage and temperature, this technique provides improved performance over factory-trimmed transmitters. As a result, the SIT-2579 is ideal for applications requiring the transmission of a series of consecutive 32-word messages.
Features
- Compliance with MIL-STD-1553A and B
- SIT-2579-1760 version provides compliance with MIL-STD-1760
- Operates from a 3.3V supply
- Lowest transmitter power dissipation in the industry
- When transmitting, operates with Sital IP FPGA logic to provide a real-time, closed-loop mechanism to eliminate or minimize residual voltage “tails”
- 16-pad leadless flatpack
Works with the following Sital Technology IP Cores:
- BRM1553D
- DO254-BRM1553D
- BRM1553FE
- BRM1553PCI
- BRM1553SPI
- BRM1553ERL
- BRM1553D-SnS
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