MA4VAT904-1061T
High IIP3 PIN Diode Variable Attenuator
0.8 - 1.0 GHz
Features
•
•
•
•
•
•
1.0 dB Insertion Loss, Typical
12 dB Return Loss, Typical
25 dB Attenuation, Typical
45 dBm IIP3, Typical ( 1MHz Offset, @ +0dBm Pinc )
SOIC-8 Surface Mount Package
RoHs Compliant
Rev. V4
Extra Features
•
Covers the following Bands:
•
GSM
•
AMPS
•
Usable Bandwidth: 0.60 GHz to 1.20 GHz
•
1.5 dB Insertion Loss, Typical
•
1.8:1 VSWR, Typical
•
18.5 dB Attenuation, Typical
SOIC-8 PIN Configuration (Topview)
PIN
1
2
3
4
5
6
Function
DC1
GND
GND
RFin/out
RFout/in
GND
GND
DC2
Comments
Description and Applications
M/A-COM’s MA4VAT904-1061T is a HMIC PIN Diode
Variable Attenuator which utilizes an integrated 90
degree 3dB hybrid with a pair of Silicon PIN Diodes
to perform the required attenuation function as D.C.
Voltage (Current) is applied.
This device operates from 0 to 1.9 Volts at 1.89 mA
typical control current for maximum attenuation. The
user can add external biasing resistors to the bias
ports for higher voltage requirements as required.
M/A-COM’s MA4VAT904-1061T PIN Diode Variable
Attenuator is designed for AGC Circuit Applications
requiring:
•
Lower Insertion Loss
•
Lower distortion through attenuation
•
Larger dynamic range for wide spread spectrum
applications
Symetrical as RF Input/Ouput
Symetrical as RF Input/Ouput
7
8
Absolute Maximum Ratings @ +25 °C
1,2
Parameter
Operating Temperature
Storage Temperature
Junction Temperature
RF C.W. Incident Power
Reversed Current @ -30 V
Control Current
Maximum Ratings
-40 °C to +85 °C
-65 °C to +150 °C
+175 °C
+33 dBm C.W.
50nA
50 mA per Diode
1. All the above values are at +25 °C, unless otherwise noted.
2. Exceeding these limits may cause permanent damage.
1
ADVANCED:
Data Sheets contain information regarding a product M/A-COM Technology Solutions
•
North America
Tel: 800.366.2266 •
Europe
Tel: +353.21.244.6400
is considering for development. Performance is based on target specifications, simulated results,
•
India
Tel: +91.80.43537383
•
China
Tel: +86.21.2407.1588
and/or prototype measurements. Commitment to develop is not guaranteed.
Visit www.macomtech.com for additional data sheets and product information.
PRELIMINARY:
Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available.
M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.
MA4VAT904-1061T
High IIP3 PIN Diode Variable Attenuator
0.8 - 1.0 GHz
Electrical Specifications @ +25 °C
Parameter
No DC Bias RF Parameter
Insertion Loss
Input Return Loss
Output Return Loss
P1dB
Input IP3
Control Voltage
DC Bias RF Parameter
Maximum Attenuation
Input Return Loss @ Max Attenuation
Output Return Loss @ Max Attenuation
Input IP3
Control Voltage @ Max Attenuation
Control Current@ Max Attenuation
Bias = 1.9V
0.80 GHz—1.00 GHz
dB
dB
dB
dBm
V
mA
18.5
15
15
36
-
1.2
24
21
21
39
1.9 V @ 1.89 mA
1.8
-
-
-
-
-
2.4
0.80 GHz—1.00 GHz
dB
dB
dB
dBm
dBm
V
-
11
11
30
45
-
1.0
12
12
-
49
0 V @ OuA
1.2
-
-
-
-
-
Rev. V4
Frequency Band
Unit
Min
Typ
Max
Typical RF Performance Over Industry Designated RF Frequency Bands
3,4
Band
Freq
(MHz)
RX
AMPS
TX
869-894
0.9
22
12
45
824-849
I. Loss
(dB)
0.9
Att.
(dB)
22
R. Loss
(dB)
12
IIP3
(dBm)
45
Phase
-Relative-
(Degree)
-15°
RX
GSM
TX
880-915
925-960
1.2
1.2
20
20
11
11
45
-20°
45
3. All are typical values only.
4. Relative phase is the measured Insertion Phase difference between Insertion Loss and 15 dB Attenuation.
(Please refer to the plots below)
2
ADVANCED:
Data Sheets contain information regarding a product M/A-COM Technology Solutions
•
North America
Tel: 800.366.2266 •
Europe
Tel: +353.21.244.6400
is considering for development. Performance is based on target specifications, simulated results,
•
India
Tel: +91.80.43537383
•
China
Tel: +86.21.2407.1588
and/or prototype measurements. Commitment to develop is not guaranteed.
Visit www.macomtech.com for additional data sheets and product information.
PRELIMINARY:
Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available.
M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.
MA4VAT904-1061T
High IIP3 PIN Diode Variable Attenuator
0.8 - 1.0 GHz
Plots of Typical RF Characteristics @ +25 °C
Typical Insertion Loss & Attenuation
M A 4 V A T 9 0 4 - 10 6 1
T y p i c a l A t t e n ua t i o n
0
Rev. V4
Typical Attenuation vs Voltage
MA4VAT904-1061
Attenuation vs Control Voltage
0
-5
-15
-20
-25
-30
0.600
0.700
0.800
0.900
1.000
1.100
1.200
-5
Attenuation (dB)
-10
-10
-15
-20
-25
-30
0
0.5
1
1.5
2
2.5
Frequency (GHz)
0V/ 0mA
1.53V/ 1.28mA
0.77V/ 0.28mA
1.77V/ 1.62mA
0.93V/ 0.48mA
1.89V/ 1.80mA
1.27V/ 0.93mA
Bias Voltage (V)
800MHz
900MHz
1000MHz
Typical Return Loss @ All Attenuation Levels
MA4VAT904-1061
Typical Input Return Loss
0
-5
Typical IIP3 vs Attenuation
MA4VAT904-1061
Typical IP3 vs Bias Voltage @900MHz
(1MHz Offset, +0dBm Pin)
70
60
50
Return Loss dB)
-10
IP3 (dBm)
0.700
0.800
0.900
1.000
1.100
1.200
-15
-20
-25
-30
0.600
40
30
20
10
0
0.0
0.5
1.0
1.5
2.0
2.5
Frequency (GHz)
0V/0mA
0.77V/0.28mA
0.93V/0.48mA
1.27V/0.93mA
1.53V/1.28mA
1.77V/1.62mA
1.89V/1.80mA
Bias Voltage (V)
Typical Relative Phase Shift Per Attenuation (Voltage)
MA4VAT904-1061
Relative Phase vs Control Voltage
90
70
50
30
10
-10
-30
-50
-70
-90
0
0.5
1
1.5
2
2.5
Relative Phase (Degree))
For Reference ONLY:
•
Insertion Loss
•
5dB Attenuation
•
10dB Attenuation
•
15dB Attenuation
•
20dB Anttenuation
= 0.00 V @ 0.00 mA
= 0.94 V @ 0.49 mA
= 1.26 V @ 0.93 mA
= 1.50 V @ 1.22 mA
= 1.77V @ 1.60 mA
Bias Voltage (V)
800MHz
900MHz
1000MHz
3
ADVANCED:
Data Sheets contain information regarding a product M/A-COM Technology Solutions
•
North America
Tel: 800.366.2266 •
Europe
Tel: +353.21.244.6400
is considering for development. Performance is based on target specifications, simulated results,
•
India
Tel: +91.80.43537383
•
China
Tel: +86.21.2407.1588
and/or prototype measurements. Commitment to develop is not guaranteed.
Visit www.macomtech.com for additional data sheets and product information.
PRELIMINARY:
Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available.
M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.
MA4VAT904-1061T
High IIP3 PIN Diode Variable Attenuator
0.8 - 1.0 GHz
Package PIN Designation, External Components, and Equivalent Circuit
Rev. V4
C
bia s
L
b a s
i
Control Curren t
R
bias
RF I N/OUT
C
blo ck
L
b a s
i
C
bia s
C
blo ck
RF OUT/ IN
External Bias Components
Rbias= 680 Ohms ( 1.66 V, @1.50 mA )
Lbias= 150 nH
Cbias =100 pF
Cblock =100 pF
4
ADVANCED:
Data Sheets contain information regarding a product M/A-COM Technology Solutions
•
North America
Tel: 800.366.2266 •
Europe
Tel: +353.21.244.6400
is considering for development. Performance is based on target specifications, simulated results,
•
India
Tel: +91.80.43537383
•
China
Tel: +86.21.2407.1588
and/or prototype measurements. Commitment to develop is not guaranteed.
Visit www.macomtech.com for additional data sheets and product information.
PRELIMINARY:
Data Sheets contain information regarding a product M/A-COM Technology
Solutions has under development. Performance is based on engineering tests. Specifications are
typical. Mechanical outline has been fixed. Engineering samples and/or test data may be available.
M/A-COM Technology Solutions Inc. and its affiliates reserve the right to make
Commitment to produce in volume is not guaranteed.
changes to the product(s) or information contained herein without notice.
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