1
Product Description
EDS-100375 Rev F
522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC http://www.sirenza.com
The information provided herein is believed to be reliable at press time. Sirenza Microdevices assumes no responsibility for inaccuracies or omissions. Sirenza Microdevices assumes no responsibility for the use of
this information, and all such information shall be entirely at the users own risk. Prices and specifications are subject to change without notice. No patent rights or licenses to any of the circuits described herein are
implied or granted to any third party. Sirenza Microdevices does not authorize or warrant any Sirenza Microdevices product for use in life-support devices and/or systems. Copyright 2001 Sirenza Microdevices, Inc..
All worldwide rights reserved.
Gain & Return Loss vs. Freq. @T
L
=+25C
(From de-imbedded S-parameters)
0
5
10
15
20
0
1
2
3
4
5
6
7
8
9
10
Frequency (GHz)
Gain (
d
B
)
-40
-30
-20
-10
0
R
e
turn Los
s
(dB)
GAIN
IRL
ORL
NGA-489
0.5-10 GHz, Cascadable
InGaP/GaAs HBT MMIC Amplifier
Product Features
High Gain : 14.5 dB at 1950 MHz
Cascadable 50 Ohm
Patented InGaP Technology
Operates From Single Supply
Low Thermal Resistance Package
Applications
PA Driver Amplifier
Cellular, PCS, GSM, UMTS
IF Amplifier
Wireless Data, Satellite
Sirenza Microdevices NGA-489 is a high performance InGaP/
GaAs HBT MMIC Amplifier. A Darlington configuration designed
with InGaP process technology provides broadband performance
up to 10 GHz with excellent thermal perfomance. The
heterojunction increases breakdown voltage and minimizes
leakage current between junctions. Cancellation of emitter
junction non-linearities results in higher suppression of
intermodulation products. At 850 Mhz and 65mA , the NGA-
489 typically provides +38.0 dBm output IP3, 15 dB of gain,
and +17.2 dBm of 1dB compressed power using a single positive
voltage supply. Only 2 DC-blocking capacitors, a bias resistor
and an optional RF choke are required for operation.
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1
Test Conditions:
V
S
= 8 V
I
D
= 65 mA Typ.
OIP
3
Tone Spacing = 1 MHz, Pout per tone = 0 dBm
R
BIAS
= 62 Ohms
T
L
= 25C
Z
S
= Z
L
= 50 Ohms
See Application Note AN-059 for Alternates
Pending Obsolescence
Last Time Buy Date: July 10, 2003
2
EDS-100375 Rev F
Preliminary
NGA-489 0.5-10 GHz Cascadable MMIC Amplifier
522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC http://www.sirenza.com
Pending Obsolescence
Typical RF Performance at Key Operating Frequencies
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V
S
= 8 V
I
D
= 65 mA Typ.
OIP
3
Tone Spacing = 1 MHz, Pout per tone = 0 dBm
R
BIAS
= 62 Ohms
T
L
= 25C
Z
S
= Z
L
= 50 Ohms
Frequency (MHz)
Test Conditions:
2
3
4
5
6
7
0
1
2
3
4
5
6
Frequency (GHz)
Noi
s
e F
i
gur
e (
d
B
)
20
25
30
35
40
45
0
1
2
3
4
5
6
Frequency (GHz)
OIP
3
(d
Bm)
+25C
-40C
+85C
OIP
3
vs. Frequency
V
D
= 4.0 V, I
D
= 65 mA
T
L
10
12
14
16
18
20
0
1
2
3
4
5
6
Frequency (GHz)
P
1dB
(d
Bm)
+25C
-40C
+85C
P
1dB
vs. Frequency
V
D
= 4.0 V, I
D
= 65 mA
T
L
Absolute Maximum Ratings
Noise Figure vs. Frequency
V
D
= 4.0 V, I
D
= 65 mA
T
L
=+25C
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3
EDS-100375 Rev F
Preliminary
NGA-489 0.5-10 GHz Cascadable MMIC Amplifier
522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC http://www.sirenza.com
Pending Obsolescence
-30
-25
-20
-15
-10
0
1
2
3
4
5
6
Frequency (GHz)
S
12
(dB
)
+25C
-40C
+85C
-40
-30
-20
-10
0
0
1
2
3
4
5
6
Frequency (GHz)
S
22
(d
B
)
+25C
-40C
+85C
0
5
10
15
20
0
1
2
3
4
5
6
Frequency (GHz)
S
21
(d
B
)
+25C
-40C
+85C
-40
-30
-20
-10
0
0
1
2
3
4
5
6
Frequency (GHz)
S
11
(d
B)
+25C
-40C
+85C
|
S
12
|
vs. Frequency
V
D
= 4.0 V, I
D
= 65 mA
|
S
22
|
vs. Frequency
V
D
= 4.0 V, I
D
= 65 mA
T
L
T
L
T
L
T
L
50
55
60
65
70
75
80
3.8
3.9
4
4.1
4.2
V
D
(Volts)
I
D
(mA)
+85C
-40C
+25C
3.60
3.75
3.90
4.05
4.20
4.35
4.50
-40
-15
10
35
60
85
Temperature (C)
V
D
(
V
o
l
ts
)
* Note: In the applications circuit on page 4, R
BIAS
compensates for voltage and current variation over temperature.
|
S
11
|
vs. Frequency
V
D
= 4.0 V, I
D
= 65 mA
|
S
21
|
vs. Frequency
V
D
= 4.0 V, I
D
= 65 mA
V
D
vs. Temperature for Constant I
D
= 65 mA
V
D
vs. I
D
over Temperature for fixed
V
S
= 8 V, R
BIAS
= 62 ohms *
4
EDS-100375 Rev F
Preliminary
NGA-489 0.5-10 GHz Cascadable MMIC Amplifier
522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC http://www.sirenza.com
Pending Obsolescence
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8
6
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5
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3
3
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2
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8
1
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5
1
Mounting Instructions
1. Solder the copper pad on the backside of the
device package to the ground plane.
2. Use a large ground pad area with many plated
through-holes as shown.
3. We recommend 1 or 2 ounce copper. Measurement
for this data sheet were made on a 31 mil thick FR-4
board with 1 ounce copper on both sides.
Basic Application Circuit
RF in
RF out
1 uF
C
B
C
B
C
D
V
S
R
BIAS
L
C
1
2
3
4
1000
pF
NGA-489
Application Circuit Element Values
Part Number Ordering Information
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9
8
4
-
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N
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7
0
0
0
1
The part will be marked with an N4 designator on the
top surface of the package.
Part Identification Marking
#
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N4
1
2
3
4
1 uF
R
BIAS
N4
1000 pF
Caution: ESD sensitive
Appropriate precautions in handling, packaging
and testing devices must be observed.
C
B
C
B
C
D
L
C
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5
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=
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(
=
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V
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D
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/
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D
V
(
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6
V
8
V
0
1
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2
1
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0
3
2
6
1
9
0
2
1
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5
EDS-100375 Rev F
Preliminary
NGA-489 0.5-10 GHz Cascadable MMIC Amplifier
522 Almanor Ave., Sunnyvale, CA 94085 Phone: (800) SMI-MMIC http://www.sirenza.com
Pending Obsolescence
PCB Pad Layout
Dimensions in inches [millimeters]
Nominal Package Dimensions
Dimensions in inches [millimeters]
Refer to package drawing posted at www.sirenza.com for tolerances.
Bottom View
Side View
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