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| MICROWAVE CORPORATION v02.0604 HMC321LP4 Features Broadband Performance: DC - 8.0 GHz High Isolation: >30 dB@ 6 GHz Low Insertion Loss: 2.5 dB@ 6 GHz Integrated Positve Supply 3:8 TTL Decoder 4 mm x 4 mm x 1 mm SMT Package GaAs MMIC SP8T NON-REFLECTIVE POSITIVE CONTROL SWITCH, DC* - 8.0 GHz Typical Applications This switch is suitable for usage in DC - 8.0 GHz 50-Ohm or 75-Ohm systems: * Broadband * Fiber Optics * Switched Filter Banks * Wireless below 8 GHz Functional Diagram General Description The HMC321LP4 is a broadband non-reflective GaAs MESFET SP8T switch in a low cost leadless surface mount package. Covering DC to 8 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 three. The switch operates using a positive control voltage of 0/+5 volts, and requires a fixed bias of +5v. This switch is suitable for usage in 50-Ohm or 75-Ohm systems. 14 SWITCHES - SMT * DC blocking capacitors are required at ports RFC and RF1, 2, 3, 4, 5, 6, 7, 8. Their value will determine the lowest transmission frequency. Electrical Specifications, TA = +25 C, With 0/+5V Control, 50 Ohm System Parameter Frequency DC - 2.0 GHz DC - 4.0 GHz DC - 8.0 GHz DC - 2.0 GHz DC - 4.0 GHz DC - 6.0 GHz DC - 8.0 GHz "On State" "Off State" DC - 4.0 GHz DC - 8.0 GHz 2.0 - 8.0 GHz 0.5 - 8.0 GHz 0.5 - 8.0 GHz DC - 8.0 GHz 50 150 ns ns 35 30 25 20 8 7 7 19 33 Min. Typ. 2.3 2.5 2.7 40 35 30 25 12 10 12 23 40 Max. 2.7 2.9 3.1 Units dB dB dB dB dB dB dB dB dB dB dBm dBm Insertion Loss Isolation Return Loss Return Loss (RF1 - RF8) Input Power for 1 dB Compression Input Third Order Intercept (Two-tone Input Power = +7 dBm Each Tone, 1 MHz Spacing) Switching Characteristics tRISE, tFALL (10/90% RF) tON, tOFF (50% CTL to 10/90% RF) 14 - 170 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 v02.0604 HMC321LP4 GaAs MMIC SP8T NON-REFLECTIVE POSITIVE CONTROL SWITCH, DC - 8.0 GHz GaAs MMIC SUB-HARMONICALLY Isolation PUMPED Insertion Loss vs. Temperature 0 0 -10 -1 RF1 RF2 RF3 RF4 RF5 RF6 RF7 RF8 MIXER 17 - 25 GHz INSERTION LOSS (dB) -20 -2 ISOLATION (dB) +25 C -40 C +85 C -30 -40 -50 -60 -70 -3 -4 -5 0 1 2 3 4 5 6 7 8 9 FREQUENCY (GHz) 0 1 2 3 4 5 6 7 8 9 FREQUENCY (GHz) Return Loss 0 0.1 and 1 dB Input Compression Point 30 -5 INPUT COMPRESSION POINT (dBm) 14 SWITCHES - SMT 14 - 171 RETURN LOSS (dB) 25 -10 20 -15 RFC RF1-8 ON RF1-8 OFF 15 -20 0.1db Compression Point 1dB Compression Point -25 0 1 2 3 4 5 6 7 8 9 FREQUENCY (GHz) 10 1 2 3 4 5 6 7 8 FREQUENCY (GHz) Input Third Order Intercept Point INPUT THIRD ORDER INTERCEPT (dBm) 50 45 40 35 30 1 2 3 4 5 6 7 8 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 MICROWAVE CORPORATION v02.0604 HMC321LP4 GaAs MMIC SP8T NON-REFLECTIVE POSITIVE CONTROL SWITCH, DC - 8.0 GHz Bias Voltage & Current Vdd Range = +5.0 Vdc 10% Vdd (Vdc) +5.0 Idd (Typ.) (mA) 5.0 Idd (Max.) (mA) 9.0 Control Voltages State Low High Bias Condition 0 to +0.8 Vdc @ 5 uA Typical +2.0 to +5.0 Vdc @ 25 uA Typical Truth Table Control Input A Low High B Low Low High High Low Low High High C Low Low Low Low High High High High Signal Path State RFCOM to: RF1 RF2 RF3 RF4 RF5 RF6 RF7 RF8 14 SWITCHES - SMT Low High Low High Low High 14 - 172 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 v02.0604 HMC321LP4 GaAs MMIC SP8T NON-REFLECTIVE POSITIVE CONTROL SWITCH, DC - 8.0 GHz Absolute Maximum Ratings Bias Voltage Range (Port Vdd) Control Voltage Range (A, B, & C) Storage Temperature Operating Temperature Maximum Input Power Vdd = +5V +7.0 Vdc -0.5V to Vdd +1.0 Vdc -65 to +150 C -40 to +85 C +26 dBm Note: DC blocking capacitors are required at ports RFC and RF1, 2, 3, 4, 5, 6, 7, 8. Their value will determine the lowest transmission frequency. Outline Drawing 14 SWITCHES - SMT NOTES: 1. MATERIAL PACKAGE BODY: LOW STRESS INJECTION MOLDED PLASTIC SILICA AND SILICON IMPREGNATED. 2. LEAD AND GROUND PADDLE MATERIAL: COPPER ALLOY 3. LEAD AND GROUND PADDLE PLATING: Sn/Pb SOLDER 4. DIMENSIONS ARE IN INCHES [MILLIMETERS]. 5. LEAD SPACING TOLERANCE IS NON-CUMULATIVE 6. PAD BURR LENGTH SHALL BE 0.15mm MAXIMUM. PAD BURR HEIGHT SHALL BE 0.05mm MAXIMUM. 7. PACKAGE WARP SHALL NOT EXCEED 0.05mm. 8. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. 9. REFER TO HITTITE APPLICATION NOTE FOR SUGGESTED PCB LAND PATTERN. 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 14 - 173 MICROWAVE CORPORATION v02.0604 HMC321LP4 GaAs MMIC SP8T NON-REFLECTIVE POSITIVE CONTROL SWITCH, DC - 8.0 GHz Pin Descriptions Pin Number Function Description Interface Schematic 1, 3, 5, 7, 12, 14, 16, 18, 21, 23 GND Package bottom has exposed metal paddle that must also be connected to PCB RF ground. 2, 4, 6, 13, 15, 17, 19, 22, 24 RF1 - RF8 & RFC This pin is DC coupled and matched to 50 Ohm. Blocking capacitors are required. 8 VDD Supply Voltage +5V 10% 14 SWITCHES - SMT 9 CTLC See truth table and control voltage table. 10 CTLB See truth table and control voltage table. 11 CTLA See truth table and control voltage table. 20 N/C This pin should be connected to PCB RF ground to maximize isolation. 14 - 174 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 v02.0604 HMC321LP4 GaAs MMIC SP8T NON-REFLECTIVE POSITIVE CONTROL SWITCH, DC - 8.0 GHz Evaluation PCB 14 SWITCHES - SMT 14 - 175 List of Material Item J1 - J9 J10 - J14 C1 - C9 U1 PCB* Description PC Mount SMA RF Connector DC Pin 100 pF Capacitor, 0402 Pkg. HMC321LP4 SP8T Switch 104687 Evaluation PCB 1.73" x 1.46" 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 backside ground slug 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. * Circuit Board Material: Rogers 4350 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 |
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