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PE4304

Peregrine Semiconductor
Part Number PE4304
Manufacturer Peregrine Semiconductor
Description RF Digital Attenuator
Published Dec 29, 2006
Detailed Description www.DataSheet4U.com Product Specification PE4304 Product Description The PE4304 is a 75-ohm high-linearity, 6-bit RF D...
Datasheet PDF File PE4304 PDF File

PE4304
PE4304

Overview
www.
DataSheet4U.
com Product Specification PE4304 Product Description The PE4304 is a 75-ohm high-linearity, 6-bit RF Digital Step Attenuator (DSA) covering a 31.
5 dB attenuation range in 0.
5 dB steps.
The PE4304 provides both a parallel (latched or direct mode) and serial CMOS control interface, operates on a single 3-volt supply and maintains high attenuation accuracy over frequency and temperature.
It also has a unique control interface that allows the user to select an initial attenuation state at power-up.
The PE4304 exhibits very low insertion loss and low power consumption.
This functionality is delivered in a 4x4 mm QFN footprint.
The PE4304 is manufactured on Peregrine’s UltraCMOS™ process, a patented variation of silicon-on-insulator (SOI) technology on a sapphire substrate, offering the performance of GaAs with the economy and integration of conventional CMOS.
Figure 1.
Functional Schematic Diagram Switched Attenuator Array RF Input RF Output 75 Ω RF Digital Attenuator 6-bit, 31.
5 dB, DC – 2.
0 GHz Features • 75 Ω impedance • Attenuation: 0.
5 dB steps to 31.
5 dB • Low distortion for CATV and multi-carrier applications • Flexible parallel and serial programming interfaces • Unique power-up state selection • Positive CMOS control logic • High attenuation accuracy and linearity over temperature and frequency • Very low power consumption • Single-supply operation • Packaged in a 20 lead 4x4 mm QFN Figure 2.
Package Type 4x4 mm -20 Lead QFN Parallel Control Serial Control Power-Up Control 6 3 Control Logic Interface 2 Table 1.
Electrical Specifications @ +25 °C, VDD = 3.
0 V, Zo = 75 Ω Parameter Operation Frequency Insertion Loss 2 Test Conditions Frequency DC ≤ 1.
2 GHz Minimum DC 30 10 - Typical Maximum 2000 Units MHz dB dB dBm dBm dB µs 1.
4 34 52 13 - 1.
8 ±(0.
15 + 4% of attenuation setting) 1 Attenuation Accuracy 1 dB Compression3,4 Input IP31,2,4 Return Loss Switching Speed Notes: 1.
2.
3.
4.
Any Bit or Bit Combination DC ≤ 1.
2 GHz 1 MHz ≤ ...


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