Product Specification
PE4306
Product Description
The PE4306 is a high linearity, 5-bit RF Digital Step Attenuator
(DSA) covering a 31 dB attenuation range in 1dB steps, and is
pin compatible with the PE430x series. This 50-ohm RF DSA
provides both 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
PE4306 exhibits very low insertion loss and low power
consumption. This functionality is delivered in a 4x4 mm QFN
footprint.
The PE4306 is manufactured on Peregrine鈥檚 UltraCMOS鈩?/div>
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
50
鈩?/div>
RF Digital Attenuator
5-bit, 31 dB, DC 鈥?4.0 GHz
Features
鈥?/div>
Attenuation: 1 dB steps to 31 dB
鈥?/div>
Flexible parallel and serial programming
interfaces
鈥?/div>
Latched or direct mode
鈥?/div>
Unique power-up state selection
鈥?/div>
Positive CMOS control logic
鈥?/div>
High attenuation accuracy and linearity
over temperature and frequency
鈥?/div>
Very low power consumption
鈥?/div>
Single-supply operation
鈥?/div>
50
鈩?/div>
impedance
鈥?/div>
Pin compatible with PE430x series
鈥?/div>
Packaged in a 20 Lead 4x4 mm QFN
Figure 2. Package Type
4x4 mm 20-Lead QFN
Parallel Control
Serial Control
Power-Up Control
5
3
Control Logic Interface
2
Table 1. Electrical Specifications @ +25擄C, V
DD
= 3.0 V
Parameter
Operation Frequency
Insertion Loss
2
Attenuation Accuracy
1 dB Compression
3
Input IP3
1, 2
Return Loss
Switching Speed
50% control to 0.5 dB
of final value
Two-tone inputs
+18 dBm
Any Bit or Bit
Combination
DC - 2.2 GHz
DC
鈮?/div>
1.0 GHz
1.0 < 2.2 GHz
1 MHz - 2.2 GHz
1 MHz - 2.2 GHz
DC - 2.2 GHz
Test Conditions
Frequency
Minimum
DC
-
-
30
-
15
-
Typical
1.5
-
34
52
20
-
Maximum
4000
2.25
鹵(0.3 + 3% of atten setting)
鹵(0.3 + 5% of atten setting)
-
-
-
1
Units
MHz
dB
dB
dB
dBm
dBm
dB
碌s
Notes: 1. Device Linearity will begin to degrade below 1 MHz
2. See Max input rating in Table 3 & Figures on Pages 2 to 4 for data across frequency.
3. Note Absolute Maximum in Table 3.
Document No. 70-0160-04
鈹?/div>
www.psemi.com
漏2003-2008 Peregrine Semiconductor Corp. All rights reserved.
Page 1 of 11
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英文版
50 OHM RF Digital Attenuator 6-bit, 31.5 dB, DC-4.0 GHZ
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50 ヘ RF Digital Attenuator 7-bit, Product Description 31.75...
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50 ヘ RF Digital Attenuator 7-bit, 31.75 dB, DC-4.0 GHz
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50 OHM RF Digital Attenuator 6-bit, 31.5 dB, DC-4.0 GHZ
ETC
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50 OHM RF Digital Attenuator 6-bit, 31.5 dB, DC-4.0 GHZ
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英文版
50 OHM RF Digital Attenuator 6-bit, 31.5 dB, DC-4.0 GHZ
ETC
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英文版
50 OHM RF Digital Attenuator 6-bit, 31.5 dB, DC-4.0 GHZ
-
英文版
50 OHM RF Digital Attenuator 6-bit, 31.5 dB, DC-4.0 GHZ
ETC
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英文版
50 OHM RF Digital Attenuator 6-bit, 31.5 dB, DC-4.0 GHZ
-
英文版
50 OHM RF Digital Attenuator 6-bit, 31.5 dB, DC-4.0 GHZ
ETC
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英文版
50 OHM RF Digital Attenuator 6-bit, 31.5 dB, DC-4.0 GHZ
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