Spectrum Control recommends a 4-layer PCB with a solid ground plane, and thermal vias under the device to dissipate heat. A minimum of 1 oz copper thickness is recommended for optimal thermal performance.
The SCI-1020-000 requires a bias voltage of 5V ± 0.5V, and a bias current of 10mA ± 1mA. Ensure the bias circuitry is designed to provide a low impedance path to the device, and that the bias voltage is well-regulated.
Spectrum Control recommends using a low-pass filter with a cutoff frequency of 100 kHz to 200 kHz to remove high-frequency noise and aliasing. Additionally, a 50 ohm input termination is recommended to match the device's input impedance.
Common issues can be caused by improper biasing, inadequate thermal management, or poor PCB layout. Check the bias voltage and current, ensure proper thermal management, and verify the PCB layout meets the recommended guidelines. If issues persist, consult the application note or contact Spectrum Control's technical support.
Spectrum Control recommends a two-point calibration procedure, where the device is calibrated at 0 dBm and 20 dBm input power levels. The calibration procedure should be performed at the operating temperature range of the device.
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SCI-1020-000 Overview
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