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| HMC195 / 195E v02.0805 GaAs MMIC SOT26 T/R SWITCH, DC - 2.5 GHz Typical Applications The HMC195 / HMC195E is ideal for: * MMDS & WirelessLAN * PCMCIA Wireless Cards * Portable Wireless Features Low Insertion Loss: 0.4 dB Ultra Small Package: SOT26 High Input IP3: +62 dBm Positive Control: 0/+3V to 0/+8V Functional Diagram General Description The HMC195 & HMC195E are low-cost SPDT switches in 6-lead SOT26 packages for use in transmit or receive applications which require very low distortion at high signal power levels. The device can control signals from DC to 2.5 GHz and is especially suited for 900 MHz and 1.8 - 2.2 GHz applications with less than 1 dB loss. The design provides exceptional intermodulation performance; a +62 dBm third order intercept at 8 Volt bias. RF1 and RF2 are reflective shorts when "Off". On-chip circuitry allows single positive supply operation at very low DC current with control inputs compatible with CMOS and most TTL logic families. 14 SWITCHES - SMT Electrical Specifications, TA = +25 C, Vctl = 0/+5 Vdc, 50 Ohm System Parameter Insertion Loss Frequency DC - 1.0 GHz DC - 2.0 GHz DC - 2.5 GHz DC - 1.0 GHz DC - 2.0 GHz DC - 2.5 GHz DC - 1.0 GHz DC - 2.0 GHz DC - 2.5 GHz 0/8V Control 0/8V Control 0.5 - 1.0 GHz 0.5 - 2.5 GHz 0.5 - 1.0 GHz 0.5 - 2.5 GHz DC - 2.5 GHz tRISE, tFALL (10/90% RF) tON, tOFF (50% CTL to 10/90% RF) 10 24 ns ns 22 19 15 20 12 9 30 29 58 55 Min. Typ. 0.4 0.6 1.1 25 23 18 26 15 11 36 35 62 59 Max. 0.7 0.9 1.4 Units dB dB dB dB dB dB dB dB dB dBm dBm dBm dBm Isolation Return Loss Input Power for 1dB Compression Input Third Order Intercept Switching Characteristics 14 - 36 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 HMC195 / 195E v02.0805 GaAs MMIC SOT26 T/R SWITCH, DC - 2.5 GHz Insertion Loss 0 -0.5 INSERTION LOSS (dB) Isolation 0 -10 -1 -1.5 -2 -2.5 -3 0 1 2 3 FREQUENCY (GHz) -40 0 1 2 +25 C -40 C +85 C ISOLATION (dB) +25 C -40 C +85 C -20 -30 3 FREQUENCY (GHz) Return Loss 0 14 SWITCHES - SMT 10 RETURN LOSS (dB) -10 +25C -20 -30 +85C -40 0 1 2 3 FREQUENCY (GHz) Input 0.1 and 1.0 dB Compression vs. Control Voltage NPUT POWER FOR 0.1 AND 1dB COMPRESSION 40 1 dB at 1900 MHz Input Third Order Intercept Point vs. Control Voltage INPUT THIRD ORDER INTERCEPT (dBm) 65 60 900 MHz 35 1 dB at 900 MHz 55 50 45 1900 MHz 30 0.1 dB at 900 MHz 0.1 dB at 1900 MHz 25 40 35 2 4 6 CONTROL INPUT (Vdc) 8 20 2 4 6 CONTROL INPUT (Vd ) 8 10 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 14 - 37 HMC195 / 195E v02.0805 GaAs MMIC SOT26 T/R SWITCH, DC - 2.5 GHz Compression vs. Bias Voltage Carrier at 900 MHz Control Input (Vdc) +3 +5 +8 Input Power for 0.1 dB Compression (dBm) 23 29 34 Input Power for 1.0 dB Compression (dBm) 27 33 36 Carrier at 1900 MHz Input Power for 0.1 dB Compression (dBm) 22 29 33 Input Power for 1.0 dB Compression (dBm) 26 32 35 Caution: Do not operate in 1dB compression at power levels above +33 dBm and do not "hot switch" power levels greater than +23dBm (Vctl = +5Vdc). DC blocks are required at ports RFC, RF1 and RF2. 14 SWITCHES - SMT Distortion vs. Bias Voltage 1 Watt Carrier at 900 MHz Control Input (Vdc) +3 +4 +5 +8 Third Order Intercept (dBm) 40 44 49 62 Second Order Intercept (dBm) 87 88 90 90 1 Watt Carrier at 1900 MHz Third Order Intercept (dBm) 39 41 43 59 Second Order Intercept (dBm) 79 85 91 99 Truth Table *Control Input Voltage Tolerances are 0.2 Vdc. Control Input* A (Vdc) 0 +3 0 +5 0 +8 B (Vdc) +3 0 +5 0 +8 0 Control Current Ia (uA) -25 25 -120 120 -200 200 Ib (uA) 25 -25 120 -120 200 -200 Signal Path State RF to RF1 ON OFF ON OFF ON OFF RF to RF2 OFF ON OFF ON OFF ON 14 - 38 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 HMC195 / 195E v02.0805 GaAs MMIC SOT26 T/R SWITCH, DC - 2.5 GHz Absolute Maximum Ratings Max. Input Power VCTL = 0/+8V 0.05 GHz 0.5 - 2.5 GHz +27 dBm +34 dBm -0.2 to +12 Vdc -65 to +150 C -40 to +85 C Class 1A Control Voltage Range (A & B) Storage Temperature Operating Temperature ESD Sensitivity (HBM) ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS Outline Drawing 14 SWITCHES - SMT Package Marking [3] H195 XXXX 195E XXXX NOTES: 1. LEADFRAME MATERIAL: COPPER ALLOY 2. DIMENSIONS ARE IN INCHES [MILLIMETERS] 3. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.15mm PER SIDE. 4. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.25mm PER SIDE. 5. ALL GROUND LEADS MUST BE SOLDERED TO PCB RF GROUND Package Information Part Number HMC195 HMC195E Package Body Material Low Stress Injection Molded Plastic RoHS-compliant Low Stress Injection Molded Plastic Lead Finish Sn/Pb Solder 100% matte Sn MSL Rating MSL1 MSL1 [1] [2] [1] Max peak reflow temperature of 235 C [2] Max peak reflow temperature of 260 C [3] 4-Digit lot number XXXX 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 14 - 39 HMC195 / 195E v02.0805 GaAs MMIC SOT26 T/R SWITCH, DC - 2.5 GHz Typical Application Circuit 14 SWITCHES - SMT Notes: 1. Set logic gate and switch Vdd = +3V to +5V and use HCT series logic to provide a TTL driver interface. 2. Control inputs A/B can be driven directly with CMOS logic (HC) with Vdd of 3 to 8 Volts applied to the CMOS logic gates. 3. DC Blocking capacitors are required for each RF port as shown. Capacitor value determines lowest frequency of operation. 4. Highest RF signal power capability is achieved with V set to +10V. The switch will operate properly (but at lower RF power capability) at bias voltages down to +3V. 14 - 40 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 HMC195 / 195E v02.0805 GaAs MMIC SOT26 T/R SWITCH, DC - 2.5 GHz Evaluation Circuit Board 14 SWITCHES - SMT List of Materials for Evaluation PCB 101675 [1] Item J1 - J3 J4 - J7 C1 - C3 U1 PCB [2] Description PCB Mount SMA RF Connector DC Pin 330 pF capacitor, 0402 Pkg. HMC195 / HMC195E T/R Switch 101659 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 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. 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 14 - 41 |
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