HITTITE HMC481ST89

MICROWAVE CORPORATION
HMC481ST89
v00.0204
SiGe HBT GAIN BLOCK
MMIC AMPLIFIER, DC - 5.0 GHz
AMPLIFIERS - SMT
8
Typical Applications
Features
The HMC481ST89 is an ideal RF/IF
gain block & LO or PA driver for:
P1dB Output Power: +19 dBm
• Cellular / PCS / 3G
Output IP3: +33 dBm
• Fixed Wireless & WLAN
Cascadable 50 Ohm I/Os
• CATV, Cable Modem & DBS
Single Supply: +6V to +12V
• Microwave Radio & Test Equipment
Industry Standard SOT89 Package
Functional Diagram
General Description
Gain: 20 dB
The HMC481ST89 is a SiGe Heterojunction Bipolar
Transistor (HBT) Gain Block MMIC SMT amplifier
covering DC to 5 GHz. Packaged in an industry
standard SOT89, the amplifier can be used as a
cascadable 50 Ohm RF/IF gain stage as well as a
LO or PA driver with up to +21 dBm output power.
The HMC481ST89 offers 20 dB of gain with a +33
dBm output IP3 at 1 GHz while requiring only 79
mA from a single positive supply. The Darlington
feedback pair used results in reduced sensitivity
to normal process variations and excellent gain
stability over temperature while requiring a minimal
number of external bias components.
Electrical Specifications, Vs= 8.0 V, Rbias= 39 Ohm, TA = +25° C
Parameter
Min.
Typ.
18
15.5
13
11
9
20
17.5
15
13
11
Max.
Gain
Gain Variation Over Temperature
DC - 5.0 GHz
0.008
Input Return Loss
DC - 1.0 GHz
1.0 - 5.0 GHz
12
15
dB
dB
Output Return Loss
DC - 1.0 GHz
1.0 - 4.0 GHz
4.0 - 5.0 GHz
17
27
23
dB
dB
dB
Reverse Isolation
DC - 5.0 GHz
Output Power for 1 dB Compression (P1dB)
0.5 - 1.0 GHz
1.0 - 2.0 GHz
2.0 - 3.0 GHz
3.0 - 4.0 GHz
4.0 - 5.0 GHz
Output Third Order Intercept (IP3)
(Pout= 0 dBm per tone, 1 MHz spacing)
Noise Figure
Supply Current (Icq)
dB
dB
dB
dB
dB
0.016
dB/ °C
18
dB
19
18
16
14
12
dBm
dBm
dBm
dBm
dBm
0.5 - 2.0 GHz
2.0 - 3.0 GHz
3.0 - 4.0 GHz
4.0 - 5.0 GHz
33
30
27
25
dBm
dBm
dBm
dBm
DC - 4.0 GHz
4.0 - 5.0 GHz
3.5
4.0
dB
dB
79
mA
16
15
13
11
9
Note: Data taken with broadband bias tee on device output.
8 - 286
Units
DC - 1.0 GHz
1.0 - 2.0 GHz
2.0 - 3.0 GHz
3.0 - 4.0 GHz
4.0 - 5.0 GHz
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com
MICROWAVE CORPORATION
HMC481ST89
v00.0204
SiGe HBT GAIN BLOCK
MMIC AMPLIFIER, DC - 5.0 GHz
Gain vs. Temperature
22
18
S21
S11
S22
16
14
12
10
8
6
4
2
0
1
2
3
4
5
6
7
0
8
1
FREQUENCY (GHz)
2
3
4
5
6
FREQUENCY (GHz)
Input Return Loss vs. Temperature
Output Return Loss vs. Temperature
0
OUTPUT RETURN LOSS (dB)
0
+25C
+85C
-40C
-5
-10
-15
-20
-5
AMPLIFIERS - SMT
+25C
+85C
-40C
20
0
INPUT RETURN LOSS (dB)
8
24
25
20
15
10
5
0
-5
-10
-15
-20
-25
-30
-35
-40
GAIN (dB)
RESPONSE (dB)
Broadband Gain & Return Loss
+25C
+85C
-40C
-10
-15
-20
-25
-30
-35
-25
-40
0
1
2
3
4
5
6
0
1
FREQUENCY (GHz)
2
3
4
5
6
5
6
FREQUENCY (GHz)
Noise Figure vs. Temperature
Reverse Isolation vs. Temperature
10
0
+25C
+85C
-40C
8
NOISE FIGURE (dB)
REVERSE ISOLATION (dB)
9
+25C
+85C
-40C
-5
-10
-15
-20
7
6
5
4
3
2
1
-25
0
0
-30
0
1
2
3
4
5
6
1
2
3
4
FREQUENCY (GHz)
FREQUENCY (GHz)
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com
8 - 287
HMC481ST89
v00.0204
MICROWAVE CORPORATION
SiGe HBT GAIN BLOCK
MMIC AMPLIFIER, DC - 5.0 GHz
P1dB vs. Temperature
Psat vs. Temperature
24
24
22
22
20
20
18
18
Psat (dBm)
P1dB (dBm)
16
14
12
10
8
16
14
12
10
+25C
+85C
-40C
+25C
+85C
-40C
8
6
6
4
4
0
1
2
3
4
5
6
0
1
2
FREQUENCY (GHz)
36
34
OIP3 (dBm)
32
30
28
26
24
+25C
+85C
-40C
20
18
0
1
2
3
4
4
5
6
FREQUENCY (GHz)
36
34
32
30
28
26
24
22
20
18
16
14
12
10
8
6
4
2
0
6
7
8
9
10
Vcc vs. Icc Over Temperature for
Fixed Vs= 8V, RBIAS= 39 Ohms
88
+85 C
86
84
82
Icc (mA)
6
Gain
P1dB
Psat
OIP3
Vs (Vdc)
+25 C
80
78
76
74
72
-40 C
70
68
66
4.5
4.6
4.7
4.8
4.9
5
5.1
5.2
5.3
5.4
Vcc (Vdc)
8 - 288
5
Gain, Power & OIP3 vs. Supply Voltage
for Constant Icc= 79 mA @ 850 MHz
Output IP3 vs. Temperature
22
3
FREQUENCY (GHz)
Gain (dB), P1dB (dBm), Psat (dBm), OIP3 (dBm)
AMPLIFIERS - SMT
8
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com
11
12
HMC481ST89
v00.0204
MICROWAVE CORPORATION
SiGe HBT GAIN BLOCK
MMIC AMPLIFIER, DC - 5.0 GHz
Absolute Maximum Ratings
+6.0 Vdc
RF Input Power (RFin)(Vcc = +5 Vdc)
+17 dBm
Junction Temperature
150 °C
Continuous Pdiss (T = 85 °C)
(derate 16.3 mW/°C above 85 °C)
1.06 W
Thermal Resistance
(junction to lead)
61.4 °C/W
Storage Temperature
-65 to +150 °C
Operating Temperature
-40 to +85 °C
8
AMPLIFIERS - SMT
Collector Bias Voltage (Vcc)
Outline Drawing
NOTES:
1. PACKAGE BODY MATERIAL: LOW STRESS INJECTION MOLDED
PLASTIC SILICA AND SILICON IMPREGNATED.
2. LEADFRAME MATERIAL: COPPER ALLOY
3. LEADFRAME PLATING: Sn/Pb SOLDER
4. DIMENSIONS ARE IN INCHES [MILLIMETERS].
5. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.15mm PER SIDE.
6. ALL GROUND LEADS MUST BE SOLDERED TO PCB RF GROUND.
7. THE MICRO-P PACKAGE IS DIMENSIONALLY COMPATABLE WITH
THE “MICRO-X PACKAGE”
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com
8 - 289
HMC481ST89
v00.0204
MICROWAVE CORPORATION
SiGe HBT GAIN BLOCK
MMIC AMPLIFIER, DC - 5.0 GHz
AMPLIFIERS - SMT
8
Pin Descriptions
Pin Number
Function
Description
Interface Schematic
1
RFIN
This pin is DC coupled.
An off chip DC blocking capacitor is required.
3
RFOUT
RF output and DC Bias (Vcc) for the output stage.
2, 4
GND
These pins and package bottom must be connected to
RF/DC ground.
Application Circuit
Note:
1. External blocking capacitors are required on
RFIN and RFOUT.
2. RBIAS provides DC bias stability over temperature.
Recommended Bias Resistor Values
for Icc= 79 mA, Rbias= (Vs - Vcc) / Icc
Supply Voltage (Vs)
6V
8V
10V
12V
RBIAS VALUE
11 Ω
39 Ω
62 Ω
91 Ω
RBIAS POWER RATING
1/8 W
1/4 W
1/2 W
1W
Recommended Component Values for Key Application Frequencies
Frequency (MHz)
Component
50
8 - 290
900
1900
2200
2400
3500
5000
L1
270 nH
56 nH
18 nH
18 nH
15 nH
8.2 nH
6.8 nH
C1, C2
0.01 µF
100 pF
100 pF
100 pF
100 pF
100 pF
100 pF
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com
HMC481ST89
v00.0204
MICROWAVE CORPORATION
SiGe HBT GAIN BLOCK
MMIC AMPLIFIER, DC - 5.0 GHz
Evaluation PCB
AMPLIFIERS - SMT
8
List of Materials for Evaluation PCB 108324*
Item
Description
J1 - J2
PC Mount SMA Connector
J3 - J4
DC Pin
C1, C2
Capacitor, 0402 Pkg.
C3
100 pF Capacitor, 0402 Pkg.
C4
1000 pF Capacitor, 0603 Pkg.
C5
2.2 µF Capacitor, Tantalum
R1
Resistor, 1210 Pkg.
L1
Inductor, 0603 Pkg.
U1
HMC481ST89
PCB**
107368 Evaluation PCB
The circuit board used in the final application should use
RF circuit design techniques. Signal lines should have
50 ohm impedance while the package ground leads and
package bottom should be connected directly to the
ground plane similar to that shown. A sufficient number of
VIA holes should be used to connect the top and bottom
ground planes. The evaluation board should be mounted
to an appropriate heat sink. The evaluation circuit board
shown is available from Hittite upon request.
** Circuit Board Material: Rogers 4350
* Reference this number when ordering complete evaluation PCB.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order Online at www.hittite.com
8 - 291