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| MICROWAVE CORPORATION v01.0700 HMC197 GaAs MMIC SOT26 SPDT SWITCH, DC - 3 GHz Features Low Insertion Loss: 0.4 dB Ultra Small Package: SOT26 Input IP3: +45 dBm Positive Control: 0/+3V @ 10 uA Typical Applications The HMC197 is ideal for: * MMDS & WirelessLAN * PCMCIA Wireless Cards * Portable WIreless Functional Diagram General Description The HMC197 is a low-cost SPDT switch in a 6-lead SOT26 plastic package for use in general switching applications which require very low insertion loss and very small size. The device can control signals from DC to 3.0 GHz and is especially suited for 900 MHz, 1.8 - 2.2 GHz, and 2.4 GHz ISM applications with less than 1 dB loss. The design provides exceptional insertion loss performance, ideal for filter and receiver switching. RF1 and RF2 are reflective shorts when "Off". The two control voltages require a minimal amount of DC current and offer compatibility with most CMOS & TTL logic families. See HMC221 for same performance in an alternate SOT26 pin-out. 14 SWITCHES - SMT Electrical Specifications, TA = +25 C, Vctl = 0/+3 to +8 Vdc, 50 Ohm System Parameter Frequency DC - 1.0 GHz DC - 2.0 GHz DC - 2.5 GHz DC - 3.0 GHz DC - 1.0 GHz DC - 2.0 GHz DC - 2.5 GHz DC - 3.0 GHz DC - 1.0 GHz DC - 2.0 GHz DC - 2.5 GHz DC - 3.0 GHz 0.5 - 1.0 GHz 0.5 - 3.0 GHz 0.5 - 1.0 GHz 0.5 - 3.0 GHz DC - 3.0 GHz tRISE, tFALL (10/90% RF) tON, tOFF (50% CTL to 10/90% RF) 3 10 ns ns 24 24 18 14 20 16 14 10 25 23 40 38 Min. Typ. 0.4 0.45 0.7 0.8 28 28 22 18 30 22 17 13 30 29 45 43 Max. 0.7 0.8 0.9 1.1 Units dB dB dB dB dB dB dB dB dB dB dB dB dBm dBm dBm dBm Insertion Loss Isolation Return Loss Input Power for 1dB Compression (Vctl = 0/+5V) Input Third Order Intercept (Vctl = 0/+5V) (Two-tone Input Power = +7 dBm Each Tone) Switching Characteristics 14 - 54 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 v01.0700 MICROWAVE CORPORATION HMC197 GaAs MMIC SOT26 SPDT SWITCH, DC - 3 GHz GaAs MMIC Insertion Loss 0 -0.5 SUB-HARMONICALLY PUMPED MIXER 17 - 25 GHz Isolation 0 INSERTION LOSS (dB) -10 -1 -1.5 -2 -2.5 -3 0 0.5 1 1.5 2 2.5 3 FREQUENCY (GHz) ISOLATION (dB) -20 -30 -40 -50 0 0.5 1 1.5 2 2.5 3 FREQUENCY (GHz) Return Loss 0 14 SWITCHES - SMT 8 9 RETURN LOSS(dB) -10 -20 -30 -40 0 0.5 1 1.5 2 2.5 3 FREQUENCY (GHz) Input 0.1 and 1.0 dB Compression vs. Control Voltage 35 Input Third Order Intercept Point vs. Control Voltage 48 INPUT POWER FOR 0.1 AND 1 dB COMPRESSION (dBm) 1 dB at 1900 MHz 1 dB at 900 MHz 30 900 MHz INPUT THIRD ORDER INTERCEPT(dBm) 46 44 25 0.1 dB at 900 MHz 20 0.1 dB at 1900 MHz 15 3 4 5 6 7 8 9 CONTROL INPUT (Vdc) 42 1900 MHz 40 38 2 3 4 5 6 7 CONTROL INPUT (Vdc) 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 - 55 MICROWAVE CORPORATION v01.0700 HMC197 GaAs MMIC SOT26 SPDT SWITCH, DC - 3 GHz Compression vs. Control Voltage Carrier at 900 MHz Control Input (Vdc) +3 +5 +8 Input Power for 0.1 dB Compression (dBm) 17 25 31 Input Power for 1.0 dB Compression (dBm) 20 30 33 Carrier at 1900 MHz Input Power for 0.1 dB Compression (dBm) 17 24 30 Input Power for 1.0 dB Compression (dBm) 20 29 32 Caution: Do not operate in 1dB compression at power levels above +31 dBm (Vctl = +5 Vdc) and do not "hot switch" power levels greater than +20 dBm (Vctl = +5Vdc). DC blocks are required at ports RFC, RF1 and RF2. Distortion vs. Control Voltage Control Input (Vdc) +3 Third Order Intercept (dBm) +7 dBm Each Tone 900 MHz 41 45 46 1900 MHz 39 43 44 14 SWITCHES - SMT +5 +8 Truth Table *Control Input Voltage Tolerances are 0.2 Vdc. Control Input* A (Vdc) 0 +3 0 +5 0 +7 0 +8 B (Vdc) +3 0 +5 0 +7 0 +8 0 Control Current Ia (uA) -10 10 -55 55 -210 210 -280 280 Ib (uA) 10 -10 55 -55 210 -210 280 -280 Signal Path RF to RF1 ON OFF ON OFF ON OFF ON OFF RF to RF2 OFF ON OFF ON OFF ON OFF ON 14 - 56 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 v01.0700 HMC197 GaAs MMIC SOT26 SPDT SWITCH, DC - 3 GHz Absolute Maximum Ratings Control Voltage Range (A & B) Storage Temperature Operating Temperature -0.2 to +12 Vdc -65 to +150 C -40 to +85 C Outline Drawing 14 SWITCHES - SMT 14 - 57 NOTES: 1. PACKAGE BODY MATERIAL: LOW STRESS INJECTION MOLDED PLASTIC SILICA AND SILICON IMPREGNATED. 2. LEADFRAME MATERIAL: COPPER ALLOY 3. LEADFRAME PLATING: Sn/Pb SOLDER 4. DIMENSIONS ARE IN INCHES [MILLIMETERS]. 5. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.15mm PER SIDE. 6. DIMENSION DOES NOT INCLUDE MOLDFLASH OF 0.25mm PER SIDE. 7. ALL GROUND LEADS MUST BE SOLDERED TO PCB RF GROUND. 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 v01.0700 HMC197 GaAs MMIC SOT26 SPDT SWITCH, DC - 3 GHz Typical Application Circuit 14 Notes: SWITCHES - SMT 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 5 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 Vdd = +8V and A/B set to 0/+8V. 14 - 58 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 v01.0700 HMC197 GaAs MMIC SOT26 SPDT SWITCH, DC - 3 GHz Evaluation Circuit Board 14 SWITCHES - SMT 14 - 59 List of Material Item J1 - J3 J4 - J6 C1 - C3 U1 PCB* Description PC Mount SMA RF Connector DC Pin 330 pF capacitor, 0603 Pkg. HMC197 SPDT Switch 101658 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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