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Data Sheets
Keysight 1GC1-4245
DC - 26.5 GHz Packaged Biasable Integrated Diode Limited
Features
Description
The 1GC1-4245 is a 26.5 GHz integrated diode limiter that can be used to protect sensitive RF circuits from excess RF power, DC transients, and ESD. The 1GC1-4245 can be used as an unbiased 23 dBm passive limiter; it also provides adjustable limiting and peak power detection capabilities. The 1GC1-4245 is fabricated using Keysight Technologies, Inc. GaAs HBT process.
Applications
The 1GC1-4245 can be used as a protection circuit for ESD and DC transients, as a Reverse Power Protection (RPP) device, or as an adjustable RF limiter. Typical applications include receiver and source protection from overpower and ESD. RF Out is connected to the device that needs protection.
Bias and Operation
Vanode can be biased from 0 V to –15 V and Vcathode can be biased from 0 V to +15 V. Typically the magnitude of these two biases are made equal so that the DC voltage on the RFIN and RFOUT pads is 0 V. A typical assembly drawing is shown in Figure 10 with caps mounted close to the chip for the bias lines. It is important that the bias lines provide a low impedance to ground close to the chip for maximum ESD protection.
Tape and Reel
The component is available in tape and reel format. See Figures 5.
Moisture Compatibility
Injection mold components are moisture-sensitive. The product is tested to the Moisture and Reflow Sensitivity Level 3 as per IPC/Jedec J-STD-020 and must be mounted within 168 hours of opening the shipping container. Store and handle parts for refl ow and for rework per IPC/Jedec J-STD-033B.
RoHS Compliance
This device is RoHS Compliant. This means the component meets the requirements of the European Parliament and the Council of the European Union Restriction of Hazardous Substances Directive 2011/65/EU, commonly known as RoHS. The six regulated substances are lead, mercury, cadmium, chromium VI (hexavalent), polybrominated biphenyls (PBB) and polybrominated biphenyl ethers (PBDE). RoHS compliance implies that any residual concen[1]tration of these substances is below the RoHS Directive’s maximum concentration values (MVC); being less than 1000 ppm by weight for all substances except for cadmium which is less than 100 ppm by weight.
Assembly Techniques
The QFN SMT package is compatible with industry standard solderreflow attach processes. The GaAs MMICs incorporated in this SMT package solution is ESD sensitive. ESD preventive measures must be employed in all aspects of storage, handling, and assembly.
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