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MICROWAVE CORPORATION
HMC309MS8
V01.0900
2.4 GHz FRONT-END LNA / SWITCH IC
FEBRUARY 2001
Features
INTEGRATED LNA & SWITCH
General Description
The HMC309MS8 is a versatile integrated low noise amplifier (LNA) and transmit/receive switch front-end for 2.3 to 2.5 GHz spread spectrum applications including BLUETOOTH, HomeRF, 802.11 WLAN, and 2.4 GHz ISM radios. The LNA offers 8 dB gain and 2.5 dB noise figure while the transmit switch path has 0.5 dB insertion loss and better than +30 dBm linear power handling. Using a single control line, the LNA is powered down when the switch Tx port is selected minimizing Idd current consumption to 5 mA in the Rx mode and 120 uA in the Tx mode at Vdd = +3V bias. The HMC309MS8 may be directly interfaced with popular 2.4 GHz transceiver chips. At a height of 0.040" (1.0mm), the MSOP8 package is ideal for low profile portable wireless devices.
1
AMPLIFIERS SMT
INTEGRATED POWER CONTROL: +3V OPERATION IDEAL FOR 802.11, HomeRF, & BLUETOOTH APPLICATIONS ULTRA SMALL 8 LEAD MSOP: 14.8 mm x 1mm High
Guaranteed Performance,
Parameter
Frequency Range Gain Gain Flatness Noise Figure Input Return Loss Output Return Loss Output or Input Power for 1dB Compression (P1dB)* Output or Input Third Order Intercept (IP3) * Recommended Supply Voltage (Vdd) Supply Current (Idd)( Vdd = +3.0 Vdc)
Vdd = +3V, -40 to +85 deg C
LNA (Rx) Path Min. Typ. 2.3 - 2.5 6 8 0.5 2.5 5 13 2 5 2.75 6 8 3.0 5 3.25 10 3.0 17 16 30 27 2.75 10 - 0.6 Max. Switched Path Min. Typ. 2.3 - 2.5 - 0.4 0.1 0.45 25 20 33 40 3.0 0.2 3.25 0.4 Max. Units GHz dB dB dB dB dB dB m dB m V dc mA
* The LNA P1dB & IP3 are referenced to the Rx pin output while the switch P1dB & IP3 are referenced to the Tx pin input.
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com
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HMC309MS8
MICROWAVE CORPORATION
2.4 GHz FRONT-END LNA / SWITCH IC
V01.0900
FEBRUARY 2001
LNA Broadband Gain & Return Loss
10 5 RESPONSE (dB) 10 9 8
LNA Gain vs. Temperature, ANT to Rx
ANT
GAIN (dB) 0 -5 -10
7 6 5 4 3
+25 C +85 C -40 C
1
AMPLIFIERS
2.6
Rx
-15 -20 1 1.5 2 2.5 3 3.5
S21 S11 S22
2 1 0 2.2 2.3 2.4 FREQUENCY (GHz) 2.5
4
LNA Input Match @ ANT vs. Temperature
0 INPUT RETURN LOSS (dB)
+25 C +85 C -40 C
LNA Output Match @ Rx vs. Temperature
0 OUTPUT RETURN LOSS (dB)
+25 C +85 C -40 C
-2
-5
-4
-10
-6
-15
-8
-20
-10 2.2
2.3
2.4 FREQUENCY (GHz)
2.5
2.6
-25 2.2
2.3
2.4 FREQUENCY (GHz)
2.5
2.6
LNA Noise Figure vs Temperature ANT to Rx
5 4.5 4 NOISE FIGURE (dB) 3.5 3 2.5 2 1.5 1 0.5 0 2.2 2.3 2.4 FREQUENCY (GHz) 2.5 2.6
+25 C +85 C -40 C
LNA Power Compression @ 2.4 GHz
10 9 POUT (dBm), GAiN (dB) 8 7 6 5 4 3 2 1 0 -10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0
Gain Output Power
1
2
3
4
5
INPUT POWER (dBm)
12 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Web Site: www.hittite.com
1 - 109
SMT
FREQUENCY (GHz)
HMC309MS8
MICROWAVE CORPORATION
2.4 GHz FRONT-END LNA / SWITCH IC
FEBRUARY 2001
V01.0900
Switch Path Broadband Insertion Loss and Return Loss
0
Switch Path Insertion Loss vs. Temperature, Tx to ANT
0 -0.2 INSERTION LOSS (dB) -0.4 -0.6 -0.8 -1 -1.2 -1.4 2.2
+85 C +25 C -40 C
1
RESPONSE (dB)
-5
Tx to ANT
-10 -15 -20 -25
S21 S11 S22
AMPLIFIERS
ANT
Tx
-30 1 1.5 2 2.5 3 3.5 4
SMT
2.3
2.4 FREQUENCY (GHz)
2.5
2.6
FREQUENCY (GHz)
Switch Path Input Match @ Tx vs.Temperature
0 -5 INPUT RETURN LOSS (dB) -10 -15 -20 -25 -30 -35 -40 -45 -50 2.2 2.3 2.4 FREQUENCY (GHz) 2.5 2.6
+25 C +85 C -40 C
Switch Path Output Match @ ANT vs.Temperature
0 OUTPUT RETURN LOSS (dB) -5 -10 -15 -20 -25 -30 2.2
+25 C +85 C -40 C
2.3
2.4 FREQUENCY (GHz)
2.5
2.6
IP3 vs. Temperature
Frequency = 2.4 GHz
ISOLATION (dB)
Tx/Rx Isolation
0
Rx Isolation - Switched Path Mode
Temperature -40 oC +25 oC +85 oC
LNA (Rx) Path 8.3 8.2 7.8
Switched Path 41.4 39.6 44.2
-5
Switched Path Isolation - LNA Mode
-10 -15 -20 -25 -30 2.2
All levels in dBm LNA pat h Out p ut IP3 refe renced to Rx por t. Swit c hed pat h Input IP3 refe renced t o Tx port.
2.3
2.4 FREQUENCY (GHz)
2.5
2.6
12 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Web Site: www.hittite.com
1 - 110
HMC309MS8
MICROWAVE CORPORATION
2.4 GHz FRONT-END LNA / SWITCH IC
V01.0900
FEBRUARY 2001
Schematic
CTL(PIN 5) Vdd (PIN 6)
Absolute Maximum Ratings
Supply Voltage (Vdd) Control Voltage Range (CTL) Input Power @ ANT +8 Vdc -0.2V to Vdd -10 dBm
POWER MANAGEMENT
(LNA "ON", Vdd = +3V) Input Power @ Tx (Switch "ON", Vdd = +3V) Channel Temperature (Tc) 1 7 5 oC 32 oC/W -65 to +150 oC -55 to +85 oC + 34 dB m
1
AMPLIFIERS SMT
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ANT (PIN 2) Tx (PIN 4)
Rx (PIN 8)
Thermal Resistance ( jc) (Channel Backside) Storage Temperature Operating Temperature
Note: DC blocking capacitors are required on the ANT port (Pin 2) and the Tx port (Pin 4).
Ground (PINS 1, 3, 7)
Truth Table
Control Input Tolerances are 0.2 Vdc
Outline
Control Input (Vdc) C TL 0 +3
Signal Path ANT to Rx On Off Tx to ANT Off On
1.
2.
MATERIAL: A) PACKAGE BODY - LOW STRESS INJECTIONMOLDED PLASTIC. B) LEADFRAME MATERIAL: COPPER ALLOY PLATING : LEAD - TIN SOLDER PLATE
3. 4. 5.
DIMENSIONS ARE IN INCHES (MILLIMETERS). UNLESS OTHERWISE SPECIFIED ALL TOL. ARE 0.005(0.13). DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.15 MM PER SIDE DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.25 MM PER SIDE
12 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Web Site: www.hittite.com
HMC309MS8
MICROWAVE CORPORATION
2.4 GHz FRONT-END LNA / SWITCH IC
FEBRUARY 2001
V01.0900
Evaluation PCB for HMC309MS8 1
AMPLIFIERS SMT
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 should be connected directly to the ground plane similar to that shown above. A sufficient number of VIA holes should be used to connect the top and bottom ground planes. The evaluation circuit board as shown is available from Hittite upon request.
List of Material
Item J1, J2, J3 J4, J5, J6 U1 PC B* Description PC Mount SMA RF Connector D C P i ns HMC309MS8 Amplifier Eval Board 1.5" x 1.55"
*Circuit Board Material: Rogers 4350
12 Elizabeth Drive, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Web Site: www.hittite.com
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HMC309MS8
MICROWAVE CORPORATION
2.4 GHz FRONT-END LNA / SWITCH IC
V01.0900
FEBRUARY 2001
NOTES:
1
AMPLIFIERS
12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com
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SMT

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