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| MICROWAVE CORPORATION v05.0604 HMC427LP3 GaAs MMIC POSITIVE CONTROL TRANSFER SWITCH, DC* - 8.0 GHz Features High Isolation: 40 ~ 45 dB thru 6 GHz Low Insertion Loss: 1.2 dB@ 6 GHz Non-Reflective Design 3 mm x 3 mm x 1 mm SMT Package Typical Applications The HMC427LP3 is ideal for: * Test Instrumentation * Fiber Optics & Broadband Telecom * Basestation Infrastructure * Microwave Radio & VSAT * Military Radios, Radar, & ECM Functional Diagram General Description The HMC427LP3 is a low loss broadband positive control transfer switch in a leadless surface mount package. Covering DC to 8 GHz, this switch offers high isolation and low insertion loss. The switch operates using a positive control voltage of 0/+5V and requires a fixed bias of +5V @ < 20 A. 14 SWITCHES - SMT * Blocking capacitors are required at ports RF1, 2, 3, & 4. Their value will determine the lowest transmission frequency. Electrical Specifications, TA = +25 C, With 0/+5V Control, 50 Ohm System Parameter Insertion Loss Frequency DC - 6.0 GHz DC - 8.0 GHz DC - 1.0 GHz DC - 2.0 GHz DC - 6.0 GHz DC - 8.0 GHz DC - 6.0 GHz DC - 8.0 GHz 1.0 - 8.0 GHz 1.0 - 8.0 GHz DC - 8.0 GHz 2 4 ns ns 42 37 33 27 14 12 23 37 Min. Typ. 1.2 1.6 48 42 38 32 17 15 26 43 Max. 1.6 2.1 Units dB dB dB dB dB dB dB dB dBm dBm Isolation Return Loss Input Power for 1 dB Compression Input Third Order Intercept (Two-Tone Input Power= +7 dBm Each Tone, 1 MHz Tone Separation) Switching Characteristics tRISE, tFALL (10/90% RF) tON, tOFF (50% CTL to 10/90% RF) 14 - 242 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 v05.0604 HMC427LP3 GaAs MMIC POSITIVE CONTROL TRANSFER SWITCH, DC* - 8.0 GHz Insertion Loss vs. Temperature 0 Isolation 0 -10 RF4 to RF1 RF2 to RF3 RF4 to RF2 RF1 to RF3 -1 INSERTION LOSS (dB) -2 ISOLATION (dB) +25 C +85 C -40 C -20 -30 -40 -50 -60 -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 INPUT COMPRESSION POINT (dBm) 28 26 24 -5 RETURN LOSS (dB) RF1 RF2 RF3 RF4 14 SWITCHES - SMT 14 - 243 -10 -15 -20 -25 -30 0 1 2 3 4 5 6 7 8 9 FREQUENCY (GHz) 22 20 18 16 14 12 10 1 2 3 4 5 6 7 8 9 FREQUENCY (GHz) 1 dB Compression Point 0.1 dB Compression Point Input Third Order Intercept Point INPUT THIRD ORDER INTERCEPT POINT (dBm) 50 45 40 35 30 25 20 1 2 3 4 5 6 7 8 9 FREQUENCY (GHz) +25 C +85 C -40 C 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 v05.0604 MICROWAVE CORPORATION HMC427LP3 GaAs MMIC POSITIVE CONTROL TRANSFER SWITCH, DC* - 8.0 GHz Truth Table Control Input A Low High B High Low RF4 to RF2 On Off Signal Path State RF1 to RF3 On Off RF4 to RF1 Off On RF2 to RF3 Off On Bias Voltage & Current Vdd Range = +5.0 Vdc 10 % Vdd (Vdc) +5.0 Idd (Typ.) (A) 5 Idd (Max.) (A) 10 Control Voltages State Low High Bias Condition 0 to +0.2 Vdc @ 5 A Typical Vdd 0.2 Vdc @ 5 A Typical 14 SWITCHES - SMT 14 - 244 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 v05.0604 MICROWAVE CORPORATION HMC427LP3 GaAs MMIC POSITIVE CONTROL TRANSFER SWITCH, DC* - 8.0 GHz Absolute Maximum Ratings Bias Voltage Range (Vdd) Control Voltage Range (A & B) Channel Temperature Thermal Resistance Storage Temperature Operating Temperature Maximum Input Power +7.0 Vdc -0.5V to Vdd +1.0 Vdc 150 C 130 C/W -65 to +150 C -40 to +85 C +27 dBm Note: DC blocking capacitors are required at ports RF1, 2, 3, & 4. 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 - 245 v05.0604 MICROWAVE CORPORATION HMC427LP3 GaAs MMIC POSITIVE CONTROL TRANSFER SWITCH, DC* - 8.0 GHz Pin Descriptions Pin Number 1, 4, 9, 12 2, 3, 5, 8, 10, 11, 13, 14, 16 Function RF4, RF1, RF3, RF2 N/C Description This pin is DC coupled and matched to 50 Ohm. Blocking capacitors are required. This pin should be connected to PCB RF ground to maximize isolation. Interface Schematic GND Package bottom has exposed metal paddle that must be connected to PCB RF ground. 6 CTRLA See truth table and control voltage table. 7 CTRLB See truth table and control voltage table. 14 SWITCHES - SMT 15 VDD Supply Voltage +5V 10%. 14 - 246 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 v05.0604 MICROWAVE CORPORATION HMC427LP3 GaAs MMIC POSITIVE CONTROL TRANSFER SWITCH, DC* - 8.0 GHz Evaluation PCB 14 SWITCHES - SMT 14 - 247 List of Material Item J1 - J4 J5 - J8 C1 C2 - C5 R1 - R2 U1 PCB* Description PC Mount SMA RF Connector DC Pin 1000 pF Capacitor, 0603 Pkg. 100 pF Capacitor, 0402 Pkg. 100 Ohm Resistor, 0603 Pkg. HMC427LP3 Transfer Switch 105674 Evaluation PCB 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 bottom 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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