参数资料
型号: HMC792LP4E
厂商: HITTITE MICROWAVE CORP
元件分类: 衰减器
英文描述: 0 MHz - 6000 MHz RF/MICROWAVE VARIABLE ATTENUATOR, 5 dB INSERTION LOSS-MAX
封装: 4 X 4 MM, ROHS COMPLIANT, LEADLESS, PLASTIC, SMT, QFN-24
文件页数: 5/10页
文件大小: 926K
代理商: HMC792LP4E
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
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HMC792LP4E
v00.0609
0.25 dB LSB GaAs MMIC 6-BIT
DIGITAL ATTENUATOR, DC - 6 GHz
Serial Control Interface
The HMC792LP4E contains a 3-wire SPI compatible digital interface (SERIN, CLK, LE). The serial control interface
is activated when P/S is kept high. The 6-bit serial word must be loaded MSB first. The positive-edge sensitive CLK
and LE requires clean transitions. If mechanical switches are used, sufficient debouncing should be provided. When
LE is high, 6-bit data in the serial input register is transferred to the attenuator. When LE is high CLK is masked to
prevent data transition during output loading.
When P/S is low, 3-wire SPI interface inputs (SERIN, CLK, LE) are disabled and the input register is loaded with
parallel digital inputs (D0-D5). When LE is high, 6-bit parallel data changes the state of the part per truth table.
For all modes of operations, the attenuation state will stay constant while LE is kept low.
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