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| HMC344LH5 v00.0805 GaAs MMIC SP4T NON-REFLECTIVE SWITCH, DC - 12 GHz Typical Applications This switch is suitable for DC - 12.0 GHz 50-Ohm Systems * Telecom Infrastructure * Military Radio, Radar & ECM Features Broadband Performance: DC - 12 GHz High Isolation: 42 dB@ 6 GHz Low Insertion Loss: 1.8 dB@ 6 GHz Integrated 2:4 TTL Decoder Hermetic SMT Package, 25 mm2 Screening to MIL-PRF-38535 (Class B or S) Available 8 SWITCHES - SMT * Space Systems * Test Instrumentation Functional Diagram General Description The HMC344LH5 is a broadband non-reflective GaAs MESFET SP4T switch in a hermetic SMT leadless package. Covering DC to 12 GHz, this switch offers high isolation and low insertion loss. This switch also includes an on board binary decoder circuit which reduces the required logic control lines to two. The switch operates using a negative control voltage of 0/-5V, and requires a fixed bias of -5V. Simple external level shifting circuitry allows this switch to be controlled with most TTL/CMOS positive logic families. The HMC344LH5 allows the use of surface mount manufacturing techniques and is suitable for high reliability military, industrial and space applications. Electrical Specifications, TA = +25 C, With Vee = -5V & 0/-5V Control, 50 Ohm System Parameter Frequency DC - 2.0 GHz DC - 6.0 GHz DC - 8.0 GHz DC - 12.0 GHz DC - 2.0 GHz DC - 4.0 GHz DC - 6.0 GHz DC - 8.0 GHz DC - 12.0 GHz "On State" "Off State" DC - 10.0 GHz DC - 12.0 GHz DC - 8.0 GHz DC - 12.0 GHz 0.5 - 12.0 GHz 0.5 - 4.0 GHz 4.0 - 8.0 GHz 8.0 - 12.0 GHz DC - 12.0 GHz 24 48 43 37 35 30 Min. Typ. 1.5 1.8 2.1 3.0 53 48 42 40 35 17 12 16 10 27 50 47 44 35 75 Max. 1.9 2.2 2.5 3.4 Units dB dB dB dB dB dB dB dB dB dB dB dB dB dBm dBm dBm dBm ns ns Insertion Loss Isolation Return Loss Return Loss Input Power for 1 dB Compression Input Third Order Intercept (Two-Tone Input Power = +7 dBm Each Tone) Switching Characteristics tRISE, tFALL (10/90% RF) tON, tOFF (50% CTL to 10/90% RF) 8 - 178 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC344LH5 v05.0505 GaAs MMIC SP4T NON-REFLECTIVE SWITCH, DC - 12 GHz Insertion Loss vs. Temperature 0 -0.5 INSERTION LOSS (dB) -1 Isolation 0 -10 -20 ISOLATION (dB) -30 -40 -50 -60 -70 -80 -90 RF1 RF2 RF3 RF4 -1.5 -2 -2.5 -3 -3.5 -4 0 1 2 3 4 5 6 7 8 9 10 11 12 FREQUENCY (GHz) +25C +85C -40C 8 0 1 2 3 4 5 6 7 8 9 10 11 12 FREQUENCY (GHz) Return Loss 0 0.1 and 1 dB Input Compression Point 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 0 1 2 3 4 INPUT COMPRESSION (dBm) RETURN LOSS (dB) -5 RFC RF1, RF2, RF3, RF4 ON RF1, RF2, RF3, RF4 OFF -10 1dB Compression Point 0.1dB Compression Point -15 -20 0 1 2 3 4 5 6 7 8 9 10 11 12 FREQUENCY (GHz) 5 6 7 8 9 10 11 12 FREQUENCY (GHz) Input Third Order Intercept Point INPUT THIRD ORDER INTERCEPT (dBm) 55 Bias Voltage & Current Vee Range = -5.0 Vdc 10% Vee (Vdc) Iee (Typ.) (mA) 3.0 Iee (Max.) (mA) 6.0 50 -5.0 45 Control Voltages RF1 RF2 RF3 RF4 40 State Low High Bias Condition -3V to 0 Vdc @ 40 uA Typical -5 to -4.2 Vdc @ 5 uA Typical 35 0 1 2 3 4 5 6 7 8 9 10 11 12 FREQUENCY (GHz) * Isolation is recorded above insertion loss & measured at output of switch. For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com 8 - 179 SWITCHES - SMT HMC344LH5 v05.0505 GaAs MMIC SP4T NON-REFLECTIVE SWITCH, DC - 12 GHz Absolute Maximum Ratings Bias Voltage Range (Vee) Control Voltage Range (A & B) Channel Temperature Thermal Resistance (Insertion Loss Path) -7.0 Vdc Vee -0.5V to +1.0 Vdc 150 C 157 C/W 0.42 W 264 C/W 0.25 W -65 to +150 C -40 to +85 C +28 dBm (0.5 - 12.0 GHz) Class 1A Truth Table Control Input A High Low High Low B High High Low Low Signal Path State RFC to: RF1 RF2 RF3 RF4 8 SWITCHES - SMT Continuous Pdiss (T= 85 C ) (derate 6.4 mW/C above 85 C) Thermal Resistance (Terminated Path) Continuous Pdiss (T= 85 C ) (derate 3.8 mW/C above 85 C) Storage Temperature Operating Temperature Maximum Input Power ESD Sensitivity (HBM) ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS Outline Drawing NOTES: 1. PACKAGE BODY MATERIAL: CERAMIC & KOVAR 2. LEAD AND GROUND PADDLE PLATING: GOLD 40 - 80 MICROINCHES. 3. DIMENSIONS ARE IN INCHES [MILLIMETERS]. 4. LEAD SPACING TOLERANCE IS NON-CUMULATIVE 5. PAD BURR LENGTH 0.15mm MAX. PAD BURR HEIGHT 0.25mm MAX. 6. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. 8 - 180 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC344LH5 v05.0505 GaAs MMIC SP4T NON-REFLECTIVE SWITCH, DC - 12 GHz Pin Descriptions Pin Number 1, 3, 7, 9, 11 Function RF4, RF3, RF2, RF1, RFC Description This pin is DC coupled and matched to 50 Ohm. Blocking capacitors are required if RF line potential is not equal to 0V. Interface Schematic 2, 8, 10, 12 GND Package base must also be connected to PCB RF ground. 8 SWITCHES - SMT 8 - 181 4 Vee Supply Voltage -5V 10% 5 B See truth table and control voltage table. 6 A See truth table and control voltage table. TTL Interface Circuit For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC344LH5 v05.0505 GaAs MMIC SP4T NON-REFLECTIVE SWITCH, DC - 12 GHz Evaluation PCB 8 SWITCHES - SMT List of Materials for Evaluation PCB 110760 [1] Item J1 - J5 J6 - J9 C1 U1 PCB [2] Description PCB Mount SMA RF Connector DC Pin 10k pF Capacitor, 0603 Pkg. HMC344LH5 SP4T Switch 110758 Evaluation PCB [1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Rogers 4350 The circuit board used in the final application should be generated with proper RF circuit design techniques. Signal lines at the RF port should have 50 ohm impedance and the package ground leads and package base should be connected directly to the ground plane similar to that shown above. The evaluation circuit board shown above is available from Hittite Microwave Corporation upon request. 8 - 182 For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com HMC344LH5 v05.0505 GaAs MMIC SP4T NON-REFLECTIVE SWITCH, DC - 12 GHz Notes: 8 SWITCHES - SMT For price, delivery, and to place orders, please contact Hittite Microwave Corporation: 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com 8 - 183 |
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