Time-delay phase shifter provides 500° adjustable delay over 8 to 23 GHz
The HMC877LC3 is the first time-delay/phase-shifter product in the market to provide up to 1.4 UI (500°) continuously adjustable delay over a wide 8 to 23 GHz frequency range, while maintaining a constant differential output voltage. The device accepts either single-ended or differential input signals, while providing a 500 to 900 mVp-p programmable differential output swing.
The HMC877LC3 provides a time-delay/phase-shift which is linearly monotonic with respect to the differential delay control voltage, over a ±0.6 V tuning range. On chip compensation circuitry ensures an extremely stable programmable time delay over both frequency and temperature. A high delay control modulation bandwidth (3 dB rolloff point) of 2.5 GHz combined with single +3.3 V operation also make the device ideal for phase modulation in military and space, test and measurement and broadband applications.
The time-delay/phase-shifter is housed in a ceramic 3 x 3 mm SMT package (RoHS compliant), and is fully specified for operation from -40 °C to +85 °C.
For further information: www.hittite.com.
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