SGA5263ZDC
to 4500MHz,
Silicon Germa-
nium Cascad-
able Gain
Block
SGA5263Z
DC to 4500MHz, Silicon Germanium
Cascadable Gain Block
Package: SOT-363
Product Description
The SGA5263Z is a high performance SiGe HBT MMIC Amplifier. A Darling-
ton configuration featuring one-micron emitters provides high F
T
and
excellent thermal performance. The heterojunction increases breakdown
voltage and minimizes leakage current between junctions. Cancellation of
emitter junction non-linearities results in higher suppression of intermodu-
lation products. Only two DC-blocking capacitors, a bias resistor, and an
optional RF choke are required for operation.
Optimum Technology
Matching® Applied
GaAs HBT
GaAs MESFET
InGaP HBT
Si BiCMOS
Features
DC to 4500MHz Operation
Single Voltage Supply
Low Current Draw: 60mA at
3.4V Typ.
High Output Intercept:
29dBm Typ. at 1950MHz
Oscillator Amplifiers
Broadband Gain Block
IF/RF Buffer Amplifiers
Applications
Small Signal Gain vs. Frequency
15
10
SiGe HBT
GaAs pHEMT
Si CMOS
Si BJT
GaN HEMT
RF MEMS
dB
5
SiGe BiCMOS
25C
-40C
85C
0
0.1
1
1.9
2.8
3.7
4.6
5.5
Frequency GHz
Parameter
Small Signal Gain
Min.
12.0
Specification
Typ.
13.3
12.6
12.3
16.3
15.0
14.0
32.5
29.3
27.3
4500
1.2:1
1.4:1
18.3
19.2
19.5
4.0
3.4
60
255
Max.
14.6
Unit
dB
dB
dB
dBm
dBm
dBm
dBm
dBm
dBm
MHz
Condition
850MHz
1950MHz
2400MHz
850MHz
1950MHz
2400MHz
850MHz, P
OUT
per tone = -10dBm
1950MHz, P
OUT
per tone = -10dBm
2400MHz, P
OUT
per tone = -10dBm
Minimum 10dB Return Loss (typ.)
1950MHz
1950MHz
850MHz
1950MHz
2400MHz
1950MHz
Output Power at 1dB Compression
Third Order Intercept Point
S
11
, S
22
Input VSWR
Output VSWR
Reverse Isolation
Noise Figure
Device Operating Voltage
Device Operating Current
54
Thermal Resistance
(Junction - Lead)
Test Conditions: Z
0
= 50, I
D
= 60mA, T = 25°C
66
dB
dB
dB
dB
V
mA
°C/W
RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trade-
mark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2006, RF Micro Devices, Inc.
DS121011
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
1 of 6
SGA5263Z
Absolute Maximum Ratings
Parameter
Max Device Current (I
D
)
Max Device Voltage (V
D
)
Max RF Input Power
Max Junction Temp (T
J
)
Operating Temp Range (T
L
)
Max Storage Temp
Rating
120
6
+16
+150
-40 to +85
+150
Unit
mA
V
dBm
°C
°C
°C
Exceeding any one or a combination of the Absolute Maximum Rating conditions may
cause permanent damage to the device. Extended application of Absolute Maximum
Rating conditions to the device may reduce device reliability. Specified typical perfor-
mance or functional operation of the device under Absolute Maximum Rating condi-
tions is not implied.
The information in this publication is believed to be accurate and reliable. However, no
responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any
infringement of patents, or other rights of third parties, resulting from its use. No
license is granted by implication or otherwise under any patent or patent rights of
RFMD. RFMD reserves the right to change component circuitry, recommended appli-
cation circuitry and specifications at any time without prior notice.
RFMD Green: RoHS compliant per EU Directive 2002/95/EC, halogen free
per IEC 61249-2-21, < 1000ppm each of antimony trioxide in polymeric
materials and red phosphorus as a flame retardant, and <2% antimony in
solder.
Caution! ESD sensitive device.
Operation of this device beyond any one of these limits may cause permanent dam-
age. For reliable continuous operation, the device voltage and current must not
exceed the maximum operating values specified in the table on page one.
Bias Conditions should also satisfy the following expression:
I
D
V
D
< (T
J
- T
L
)/R
TH
, j - l
Parameter
Gain
Min.
Specification
Typ.
13.6
13.5
13.3
12.6
12.3
11.8
33.6
33.0
32.5
29.3
27.3
23.1
Max.
Unit
dB
dB
dB
dB
dB
dB
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Condition
100MHz
500MHz
850MHz
1950MHz
2400MHz
3500MHz
100MHz, Tone spacing = 1MHz,
P
OUT
per tone = -10dBm
500MHz, Tone spacing = 1MHz,
P
OUT
per tone = -10dBm
850MHz, Tone spacing = 1MHz,
P
OUT
per tone = -10dBm
1950MHz, Tone spacing = 1MHz,
P
OUT
per tone = -10dBm
2400MHz, Tone spacing = 1MHz,
P
OUT
per tone = -10dBm
3500MHz, Tone spacing = 1MHz,
P
OUT
per tone = -10dBm
100MHz
500MHz
850MHz
1950MHz
2400MHz
3500MHz
100MHz
500MHz
850MHz
1950MHz
2400MHz
3500MHz
100MHz
500MHz
850MHz
1950MHz
2400MHz
3500MHz
100MHz, Z
S
= 50
500MHz, Z
S
= 50
850MHz, Z
S
= 50
1950MHz, Z
S
= 50
Output IIP3
Output P1dB
Input Return Loss
Reverse Isolation
Noise Figure
16.1
16.4
16.3
15.0
14.0
11.6
26.0
23.5
21.4
20.2
23.0
24.6
17.7
18.0
18.3
19.2
19.5
19.6
3.9
3.9
4.0
4.0
Test Conditions: Z
0
= 50, I
D
= 60mA, T = 25°C
2 of 6
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
DS121011
SGA5263Z
15
S21 vs. Temperature, I
D
= 60mA
0
S12 vs. Temperature, I
D
= 60mA
10
-10
dB
5
25C
-40C
85C
dB
-20
25C
-40C
85C
0
0.1
1
1.9
2.8
3.7
-30
5.5
0.1
1
1.9
2.8
3.7
4.6
4.6
5.5
GHz
GHz
0
S11 vs. Temperature, I
D
= 60mA
0
S22 vs. Temperature, I
D
= 60mA
-10
-10
dB
-20
dB
25C
-40C
85C
-20
-30
-30
-40
0.1
1
1.9
2.8
3.7
-40
5.5
0.1
1
1.9
2.8
3.7
25C
-40C
85C
4.6
4.6
5.5
GHz
GHz
40
IP3 vs. Temperature, I
D
= 60mA
20
P1dB vs. Temperature, I
D
= 60mA
30
15
dBm
20
25C
-40C
85C
dBm
10
25C
-40C
85C
10
5
0
0.1
1
1.9
2.8
3.7
0
0.1
1
1.9
2.8
3.7
GHz
GHz
DS121011
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
3 of 6
SGA5263Z
Pin Names and Descriptions
Pin
1, 2,
4, 5
3
6
Name
GND
RF IN
RF OUT
Description
Connection to ground. For best performance use via holes as close to ground leads as possible to reduce lead induc-
tance.
RF input pin. This pin requires the use of an external DC blocking capacitor chosen for the frequency of operation.
RF output and bias pin. Bias should be supplied to this pin through an external series resistor and RF choke inductor.
Because DC biasing is present on this pin, a DC-blocking capacitor should be used in most applications. (See application
schematic.) The supply side of this bias network should be well bypassed.
SOT-363 PCB Pad Layout
Dimensions in inches [millimeters]
RF
OUT
RF
IN
Notes:
1. Provide a large ground pad area under device
pins 1, 2, 4, & 5 with many plated via holes as
shown.
2. Dimensions given for 50 Ohm RF I/O lines are for
31 mil thick Getek. Scale accordingly for different
board thicknesses and dielectric contants.
3. We recommend 1 or 2 ounce copper. Measure-
ments for this data sheet were made on a 31 mil
thick Getek with 1 ounce copper on both sides.
Package Drawing
Dimensions in inches (millimeters)
Refer to drawing posted at www.rfmd.com for tolerances.
4 of 6
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
DS121011
SGA5263Z
Application Schematic
Recommended Bias Resistor Values
Supply
Voltage(Vs)
Rbias (Ohms)
5V
27
7.5V
68
9V
91
12V
140
Cd1
Cd2
R bias
V
s
Note: A bias resistor is needed for stability
over temperature.
50 ohm
microstrip
Lchoke
1,2
3
6
Cb1
4,5
Cb2
50 ohm
microstrip
Reference
Designator
C b1
C b2
C d1
C d2
Lchoke
Function
DC Blocking
DC Blocking
Decoupling
Decoupling
AC Blocking
500 MHz
220 pF
220 pF
1 uF
100 pF
68 nH
850 MHz
100 pF
100 pF
1 uF
68 pF
33 nH
1950 MHz
68 pF
68 pF
1 uF
22 pF
22 nH
2400 MHz
56 pF
56 pF
1 uF
22 pF
18 nH
Evaluation Board Layout
Mounting Instructions:
1. Use a large droung pad area near device pins 1, 2, 4, and 5 with plated through-holes as shown.
2. We recommend 1 or 2 ounces copper. Measurements for this data sheet were made on a 31mil thick FR-4 board with 1
ounce copper on both sides.
DS121011
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical
support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
5 of 6
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