Analog Devices HMC939
The HMC939 is ideal for: • Fiber Optics & Broadband Telecom • Microwave Radio & VSAT • Military Radios, Radar & ECM • Space Applications HMC939 1.0 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR, 0.1 - 40 GHz Features 1.0 dB LSB Steps to 31 dB Single Positive Control Line Per Bit ±1.0 dB Typical Bit Error High Input IP3: +43 dBm Die Size: 2.29 x 0.95 x 0.1 mm Functional Diagram General Description The HMC939 die is a broadband 5-bit GaAs IC digital attenuator MMIC chip. The attenuator bit values are 1.0 (LSB), 2, 4, 8, 16 for a total attenuation of 31 dB.
| Part No. |
HMC939 |
| Datasheet |
HMC939
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| Manufacturer |
 Analog Devices |
| Description |
1.0 dB LSB GaAs MMIC 5-BIT DIGITAL ATTENUATOR |
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APPLICATIONS
Covering 0.1 to 40 GHz, the insertion loss is less than 5 dB typical. Attenuation accuracy is excellent at less than ±1.0 dB typical step error with an IIP3 of +43 dBm. Five control voltage inputs, toggled between +5V and 0V, are used to select each attenuation state. 0-1 ELECTRICAL SPECIFICATIONS
, TA = +25° C, With Vdd = +5V, Vss = -5V & VCTL = 0/ +5V Parameter
