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HMC291 Datasheet(PDF) 3 Page - Hittite Microwave Corporation |
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HMC291 Datasheet(HTML) 3 Page - Hittite Microwave Corporation |
3 / 6 page 5 5 - 48 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 Control & Bias Voltages Truth Table Application Circuit DC blocking capacitors C1 & C2 are required on RF1 & RF2. Choose C1 = C2 = 100 ~ 300 pF to allow lowest customer specific frequency to pass with minimal loss. R1 = 5K Ohm is required to supply voltage to the circuit throught either PIN 3 or PIN 1. Control Voltage Input Attenuation Setting RF1 - RF2 V1 8 dB V2 4 dB High High Reference I.L. High Low 4 dB Low High 8 dB Low Low 12 dB Max. Atten. Any combination of the above states will provide an attenuation approximately equal to the sum of the bits selected. State Bias Condition Low 0 to +0.2V @ 20 uA Max. High Vdd ± 0.2V @ 50 uA Max. Note: Vdd = +3V to 5V ± 0.2V 4 dB LSB GaAs MMIC 2-BIT DIGITAL ATTENUATOR, 0.7 - 4.0 GHz HMC291 / 291E v02.0402 |
Similar Part No. - HMC291_08 |
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Similar Description - HMC291_08 |
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