MOTOROLA MRFIC2404

Order this document
by MRFIC2404/D
SEMICONDUCTOR TECHNICAL DATA
The MRFIC Line
The MRFIC2404 is a single–stage class A GaAs amplifier in a low–cost
8 lead plastic package designed to drive the MRFIC2403 power amplifier for
use in the 2.4 to 2.5 GHz Industrial–Scientific–Medical (ISM) band. The design
is optimized for 5.0 Volt operation at 2.45 GHz but is usable from 2.0 to 3.0 GHz
in applications such as telemetry and Multichannel Multipoint Distribution
System (MMDS) wireless cable TV systems. Performance is suitable for
frequency hopping or direct sequence spread spectrum as well as single–frequency applications.
• High Output Capability = +5.0 dBm Typical
• High Gain = 17 dB Typical
• Low Current Drain = 9.0 mA Typical
• Single Supply Voltage = 5.0 Volts
• Good Noise Figure = 4.3 dB Typical
• Low–Cost, Low Profile Plastic SOIC Package
• Order MRFIC2404R2 for Tape and Reel.
R2 Suffix = 2,500 Units per 12 mm, 13 inch Reel.
• Device Marking = M2404
2.4 GHz
EXCITER AMPLIFIER
GaAs MONOLITHIC
INTEGRATED CIRCUIT
CASE 751-05
(SO-8)
ABSOLUTE MAXIMUM RATINGS (TA = 25_C unless otherwise noted)
Symbol
Value
Unit
Supply Voltage
Parameter
VDD
12
Vdc
RF Input Power
RF IN
+10
dBm
Bias Enable Voltage
Vbias
6.0
Vdc
TA
–30 to +85
_C
Tstg
–65 to +125
_C
Ambient Operating Temperature
Storage Temperature
GND
VBIAS
RF IN
GND
8
7
6
5
1
2
3
4
GND
VDD
RF OUT
GND
Pin Connections and Functional Block Diagram
REV 2
RF DEVICE DATA
MOTOROLA
Motorola, Inc. 1995
MRFIC2404
1
RECOMMENDED OPERATING CONDITIONS
Symbol
Value
Unit
Supply Voltage
Parameter
VDD
4.75 to 5.25
Vdc
Bias Enable Voltage – ON
Vbias
0
Vdc
Bias Enable Voltage – OFF
Vbias
5.0
Vdc
Operating Frequency Range
fOP
2000 to 3000
MHz
ELECTRICAL CHARACTERISTICS (VDD = 5.0 Vdc, TA= 25_C, RF = 2.45 GHz, Vbias = 0 Vdc)
Characteristic
Small Signal Gain
Min
Typ
Max
Unit
16
17
–
dB
Power Output, 1.0 dB Compression
–
+5.0
–
dBm
4.0
5.0
–
dBm
Third Order Intercept Point
–
+15
–
dBm
Noise Figure
–
4.3
–
dB
Reverse Isolation
–
25
–
dB
Turn On Time
–
1.0
–
ms
Supply Current
–
9.0
12
mA
SLEEP Mode Supply Current (Vbias = 5.0 Vdc)
–
800
–
mA
Power Output (Pin = –11 dBm)
5
4
6
3
7
2
T1
RF IN
VBIAS
RF OUT
VDD
C1
8
1
C1 – 15 pF
T1 – 100 W Line, 185 MILs (3.3 nH)
Board Material – 30 MIL FR4
Connectors – SMA Type
Figure 1. Applications Circuit Configuration
MRFIC2404
2
MOTOROLA RF DEVICE DATA
Table 1. Scattering Parameters
(VDD = 5 V, TA = 25°C, 50 W System)
f
S11
S21
S12
S22
(MHz)
|S11|
∠φ
|S21|
∠φ
|S12|
∠φ
|S22|
∠φ
2000
0.232
–92.34
6.290
165.97
0.024
–51.08
0.483
–123.13
2050
0.174
–90.78
7.049
147.75
0.029
–66.26
0.383
–125.77
2100
0.122
–76.88
7.563
127.95
0.032
–78.38
0.281
–124.34
2150
0.102
–48.38
7.803
109.02
0.035
–97.84
0.191
–109.23
2200
0.128
–19.45
8.046
91.04
0.037
–105.62
0.159
–80.33
2250
0.185
–6.60
8.144
72.36
0.039
–123.88
0.196
–53.35
2300
0.244
–5.52
7.977
55.31
0.038
–135.36
0.273
–42.38
2350
0.300
–8.04
7.979
39.91
0.043
–144.83
0.350
–41.15
2400
0.343
–12.42
8.147
23.40
0.044
–160.94
0.423
–43.39
2450
0.379
–17.11
8.020
5.27
0.045
–173.09
0.477
–47.05
2500
0.403
–21.90
7.550
–10.93
0.041
173.83
0.522
–50.67
2550
0.424
–26.32
7.245
–25.36
0.043
165.85
0.556
–54.67
2600
0.436
–30.95
6.911
–39.88
0.042
154.14
0.582
–58.35
2650
0.443
–34.94
6.631
–52.32
0.041
145.35
0.600
–62.23
2700
0.447
–39.48
6.566
–65.57
0.044
135.12
0.610
–65.41
2750
0.445
–43.12
6.338
–79.97
0.043
123.72
0.622
–68.57
2800
0.446
–46.68
6.009
–93.15
0.042
114.52
0.624
–72.06
2850
0.441
–50.42
5.733
–105.10
0.043
107.18
0.620
–74.86
2900
0.439
–53.14
5.565
–116.69
0.041
98.95
0.617
–77.74
2950
0.437
–57.27
5.393
–129.54
0.042
90.72
0.608
–80.01
3000
0.409
–61.28
4.938
–142.70
0.043
81.68
0.611
–81.12
MOTOROLA RF DEVICE DATA
MRFIC2404
3
Typical Characteristics
19
5.0
4.8
TA = – 30°C
SSB NOISE FIGURE (dB)
G, GAIN (dB)
18
17
25°C
16
15
85°C
14
Pin = – 20 dBm
VDD = 5.0 Vdc
Vbias = 0 Vdc
13
12
2.0
2.1
2.2
2.3
4.6
4.4
4.2
4.0
3.8
3.6
3.4
3.2
2.5
2.6
2.7
2.4
f, FREQUENCY (GHz)
2.8
2.9
3.0
Figure 2. Gain versus Frequency
3.0
2.0
VDD = 5.0 Vdc
Vbias = 0 Vdc
2.1
2.2
2.3
2.4
2.5 2.6
2.7
f, FREQUENCY (GHz)
2.8
2.9
3.0
Figure 3. Noise Figure versus Frequency
8
Pout , OUTPUT POWER (dBm)
6
4
2
0
–2
f = 2.45 GHz
VDD = 5.0 Vdc
Vbias = 0 Vdc
–4
–6
–8
– 25
– 20
–10
–15
PIN, INPUT POWER (dBm)
–5
Figure 4. Output Power versus Input Power
DESIGN AND APPLICATIONS INFORMATION
The MRFIC2404 is a single–stage GaAs amplifier
designed for exciter applications such as driving the
MRFIC2403 power amplifier. The 4.3 dB noise figure, 17 dB
gain and +5.0 dBm power output at 1.0 dB gain compression
make the MRFIC2404 suitable for high–performance
receiver IF application, Multichannel Multipoint Distribution
System (MMDS) applications, telemetry and other applications in the 2.0 to 3.0 GHz range.
The characterization curves show typical performance in
the 2.0 to 3.0 GHz range in the circuit shown in Figure 1. This
circuit was also used to derive the device impedance shown
in Table 1. The amplifier input is matched to 50 W while the
output requires about 3.3 nH series inductance for best
MRFIC2404
4
match at 2.45 GHz. The VDD supply line should be bypassed
as close to the chip as possible to avoid low frequency
oscillations. Power supply “stiffening” and digital transient
bypassing in the form of electrolytic of tantalum capacitors
should be added.
The device can be put into a reduced current “sleep” mode
by 5.0 Vdc to the Vbias pin.
EVALUATION BOARDS
Evaluation boards are available for RF Monolithic Integrated Circuits by adding a “TF” suffix to the device type.
For a complete list of currently available boards and ones
in development for newly introduced product, please contact your local Motorola Distributor or Sales Office.
MOTOROLA RF DEVICE DATA
PACKAGE DIMENSIONS
D
A
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME
Y14.5M, 1994.
2. DIMENSIONS ARE IN MILLIMETERS.
3. DIMENSION D AND E DO NOT INCLUDE MOLD
PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE.
5. DIMENSION B DOES NOT INCLUDE MOLD
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 TOTAL IN EXCESS
OF THE B DIMENSION AT MAXIMUM MATERIAL
CONDITION.
C
8
5
0.25
H
E
M
B
M
1
4
h
B
e
X 45 _
q
A
C
SEATING
PLANE
L
0.10
A1
B
0.25
M
C B
S
A
S
DIM
A
A1
B
C
D
E
e
H
h
L
q
MILLIMETERS
MIN
MAX
1.35
1.75
0.10
0.25
0.35
0.49
0.18
0.25
4.80
5.00
3.80
4.00
1.27 BSC
5.80
6.20
0.25
0.50
0.40
1.25
0_
7_
CASE 751– 05
ISSUE S
MOTOROLA RF DEVICE DATA
MRFIC2404
5
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the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and
specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters which may be provided in Motorola
data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals”
must be validated for each customer application by customer’s technical experts. Motorola does not convey any license under its patent rights nor the rights of
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arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that
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are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal
Opportunity/Affirmative Action Employer.
Mfax is a trademark of Motorola, Inc.
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MRFIC2404
6
◊
*MRFIC2404/D*
MRFIC2404/D
MOTOROLA RF DEVICE
DATA