PE43702
Product Specification
Table 1. Electrical Specifications @ +25°C, VDD = 3.3 V or 5.0 V
Parameter
Frequency Range
Attenuation Range
Insertion Loss
Test Conditions
Frequency
Min
Typical
DC – 4
0 – 31.75
2.0
Max
Units
GHz
dB
0.25 dB Step
DC - 4 GHz
2.5
dB
±(0.2 + 3%)
±(0.3 + 4%)
0 dB - 7.75 dB Attenuation settings
8 dB - 31.75 dB Attenuation settings
DC - 4 GHz
DC - 4 GHz
dB
dB
Attenuation Error
Return Loss
DC - 4 GHz
DC - 4 GHz
20 MHz - 4 GHz
20 MHz - 4 GHz
1MHz
18
44
dB
deg
Relative Phase
P1dB
All States
Input
30
32
dBm
dBm
dBm
mVpp
IIP3
Two tones at +18 dBm, 20 MHz spacing
57
Typical Spurious Value
Video Feed Through
-110
10
Switching Time
RF Trise/Tfall
50% DC CTRL to 10% / 90% RF
10% / 90% RF
650
400
ns
ns
RF settled to within 0.05 dB of final value.
RBW = 5 MHz, Averaging ON.
Settling Time
4
µs
Performance Plots
Figure 3. 0.25dB Step Error vs. Frequency*
Figure 4. 0.25dB Attenuation vs. Attenuation State
200MHz
900MHz
1800MHz
4000MHz
PE43702 Attenuation
2200MHz
3000MHz
35
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
900 MHz
2200 MHz
30
3800 MHz
25
20
15
10
5
0
0
2
4
6
8
10 12 14 16 18 20 22 24 26 28 30 32
0
5
10
15
20
25
30
35
Attenuation Setting (dB.)
Attenuation State
*Monotonicity is held so long as Step-Error does not cross zero
Figure 5. 0.25dB Major State Bit Error
Figure 6. 0.25dB Attenuation Error vs. Frequency
0.25dB State
4dB State
0.5 dB State
8dB State
1dB State
16dB State
2dB State
31.75dB State
200MHz
2200MHz
3000MHz
4000MHz
2
1.5
1
2.00
1.50
1.00
0.50
0.00
-0.50
-1.00
-1.50
-2.00
0.5
0
-0.5
-1
-1.5
-2
0.0
1.0
2.0
Frequency (GHz)
3.0
4.0
0
5
10
15
20
25
30
35
Attenuation Setting (dB.)
©2008-2009 Peregrine Semiconductor Corp. All rights reserved.
Document No. 70-0244-03 │ UltraCMOS™ RFIC Solutions
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