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HMC137 Datasheet(PDF) 1 Page - Hittite Microwave Corporation |
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HMC137 Datasheet(HTML) 1 Page - Hittite Microwave Corporation |
1 / 6 page 4 4 - 14 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC137 GaAs MMIC BI-PHASE MODULATOR, 6 - 11 GHz v03.0304 General Description Features Functional Diagram Chip Integrates Directly into MIC Designs Carrier Suppression: 20 dB Direct Modulation in the 6 - 11 GHz Band Functions also as a Phase Detector Die Size: 1.45 x 1.30 x 0.1 mm Electrical Specifications, T A = +25° C, 5 mA Bias Current Typical Applications The HMC137 is suitable for: • Wireless Local Loop • LMDS & VSAT • Point-to-Point Radios • Test Equipment The HMC137 Bi-Phase Modulator is designed to phase-modulate an RF signal into reference and 180 degree states. Device input is at the RF port and out- put is at the LO port. The polarity of the bias current at the control port (IF port) defines the phase states. Excellent amplitude and phase balance provided by closely matched monolithic balun and diode circuits delivers 20 dB of carrier suppression in a tiny mono- lithic chip. The device also functions as a demodulator or phase comparator. As a demodulator, data emerges at the control port when a modulated signal at the RF port is compared to a reference signal at the LO port. As a phase comparator, the phase angle between two sig- nals applied to the RF and LO ports is represented by an analog voltage at the control port. Except for carrier suppression, the data presented here was measured under static conditions in which a DC bias current (nominally 5 mA) is applied to the control port. Parameter Min. Typ. Max. Units Frequency Band 6 - 11 GHz Insertion Loss 911 dB Return Loss, RF and LO Ports 2.5 3.0 dB Amplitude Balance 0.25 0.50 dB Phase Balacne 10 15 deg Carrier Suppression (When driven with a 1 MHz square wave, 1.4 Vp-p) 15 20 dBc Input Power for 1 dB Compression 4 8 dBm Third Order Intercept, Input 10 15 dBm Second Order Intercept, Input 25 40 dBm Bias Current (Bias current forward biases internal Schottky diodes providing approximately 0.6 V at the control port). 25 10 mA |
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