Description:SWR200 is a precision Integrated Circuit providing an ultra-stable sine wave output of +7.071V at ±0.5% initial accuracy and a temperature coefficient as low as 20 ppm/°C over the full military temperature range. This extreme accuracy is made possible by a chopper-based AGC circuit. The temperature characteristic of the chopper circuit compensates the typical nonlinearity of the internal DC zener reference resulting in a near linear amplitude-temperature characteristic. Frequency of the SWR200 is programmab
Apex Microtechnology recommends a 4-layer PCB with a solid ground plane, and thermal vias under the device to ensure efficient heat dissipation. A minimum of 2 oz copper thickness is recommended for optimal thermal performance.
To ensure proper biasing, follow the recommended biasing circuit in the datasheet, and ensure the voltage supply is well-regulated and decoupled. Additionally, Apex Microtechnology recommends using a low-noise, low-dropout voltage regulator to minimize noise and ripple.
Apex Microtechnology recommends following standard ESD handling procedures, including the use of ESD-safe workstations, wrist straps, and packaging materials. The device should be handled by the package, not the pins, and static-sensitive devices should be stored in anti-static bags or tubes.
To troubleshoot issues with the SWR200C, Apex Microtechnology recommends checking the power supply, biasing, and PCB layout for any errors or inconsistencies. Use oscilloscopes and spectrum analyzers to measure the output signal and identify any signs of oscillation or instability. Consult the datasheet and application notes for guidance on troubleshooting and debugging.
Apex Microtechnology recommends using a combination of DC and AC measurements to characterize the SWR200C. Use a high-impedance probe and a spectrum analyzer to measure the output signal, and a DC power supply to measure the quiescent current and voltage. Consult the datasheet and application notes for specific measurement procedures and setup guidelines.
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SWR200C Overview
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