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| HMC347G8 v02.0605 GaAs MMIC HERMETIC SMT SPDT SWITCH, DC - 8.0 GHz Features Isolation: 42 dB @ 2.5 GHz 30 dB @ 6.0 GHz Insertion Loss: 2.0 dB @ 6.0 GHz Non-Reflective Design 8 Lead Hermetic SMT Package Typical Applications The HMC347G8 is ideal for: * Telecom Infrastructure * Microwave Radio & VSAT * Military Radios, Radar & ECM 8 SWITCHES - SMT * Test Instrumentation Functional Diagram General Description The HMC347G8 is a broadband high isolation nonreflective GaAs MESFET SPDT switch in a 8 lead glass/metal (hermetic) surface mount package. Covering DC to 8.0 GHz, the switch features >42 dB isolation up to 2 GHz and >25 dB isolation up to 8.0 GHz. The switch operates using complementary negative control voltage logic lines of -5/0V and requires no bias supply. This SPDT is a good replacement for the HMC132G7 SPDT. Electrical Specifications, TA = +25 C, With 0/-5V Control, 50 Ohm System Parameter Insertion Loss Frequency DC - 2.0 GHz DC - 6.0 GHz DC - 8.0 GHz DC - 2.0 GHz DC - 6.0 GHz DC - 8.0 GHz "On State" "Off State" DC - 2.0 GHz DC - 8.0 GHz DC - 2.0 GHz DC - 8.0 GHz 0.5 - 8.0 GHz 0.5 - 8.0 GHz 19 38 39 25 22 9 6 Min. Typ. 2.0 2.2 2.2 43 28 25 12 10 9 6 23 43 Max. 2.3 2.6 2.7 Units dB dB dB dB dB dB dB dB dB dB dBm dBm Isolation Return Loss Return Loss RF1, RF2 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) DC - 8.0 GHz 3 6 ns ns 8 - 202 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 HMC347G8 v02.0605 GaAs MMIC HERMETIC SMT SPDT SWITCH, DC - 8.0 GHz Insertion Loss 0 Isolation 0 -10 -1 INSERTION LOSS (dB) ISOLATION (dB) -20 -30 -40 -50 -60 -70 0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10 FREQUENCY (GHz) FREQUENCY (GHz) RF1 RF2 -2 -3 + 25C + 85C - 40C 8 SWITCHES - SMT 8 - 203 -4 -5 Return Loss 0 RFC RF1, RF2 ON RF1, RF2 OFF 0.1 and 1 dB Input Compression Point 30 1 dB Compression Point 0.1 dB Compression Point RETURN LOSS (dB) -10 INPUT P1dB (dBm) 0 1 2 3 4 5 6 7 FREQUENCY (GHz) 8 9 10 -5 25 20 -15 15 -20 10 0 2 4 6 8 10 FREQUENCY (GHz) Input Third Order Intercept Point 50 45 INPUT IP3 (dBm) 40 35 +25C +85C -40C 30 0 2 4 6 8 10 FREQUENCY (GHz) 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 HMC347G8 v02.0605 GaAs MMIC HERMETIC SMT SPDT SWITCH, DC - 8.0 GHz Absolute Maximum Ratings RF Input Power (Vctl = -5V) Control Voltage Range (A & B) Channel Temperature Thermal Resistance (Insertion Loss Path) +27 dBm +0.5V to -7.5 Vdc 150 C 440 C/W 540 C/W -65 to +150 C Control Voltages State Low High Bias Condition 0 to -0.2V @ 10 uA Max. -5V @ 10 uA Typ. to -7V @ 40 uA Typ. ( 0.5 Vdc) 8 SWITCHES - SMT Thermal Resistance (Terminated Path) Storage Temperature Operating Temperature ESD Sensitivity (HBM) Truth Table Control Input A B Low High Signal Path State RFC to RF1 On Off RFC to RF2 Off On -55 to +85 C High Class 1A Low ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS Caution: Do not "Hot Switch" power levels greater than +13 dBm (Vctl = 0/-5 Vdc). Outline Drawing NOTES: 1. PACKAGE MATERIAL: ALUMINA LOADED BOROSILICATE GLASS. 2. LEAD, BASE, COVER MATERIAL: KOVARTM (#7052 CORNING). 3. PLATING: ELECTROLYTIC GOLD 50 MICROINCHES MIN., OVER ELECTROLYTIC NICKEL 50 MICROINCHES MIN. 4. DIMENSIONS ARE IN INCHES [MILLIMETERS]. 5. TOLERANCES: .005 [0.13] UNLESS OTHERWISE SPECIFIED. 6. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. 8 - 204 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 HMC347G8 v02.0605 GaAs MMIC HERMETIC SMT SPDT SWITCH, DC - 8.0 GHz Suggested Driver Circuit 8 SWITCHES - SMT Pin Descriptions Pin Number 1, 4, 7 Function RFC, RF1, RF2 Description This pin is DC coupled and matched to 50 Ohm. Blocking capacitors are required if RF line potential is not equal to 0V. Package bottom must also be connected to PCB RF ground. See truth table and control voltage table. Interface Schematic 2, 3, 8 GND 5 CTLA 6 CTLB See truth table and control voltage table. 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 - 205 HMC347G8 v02.0605 GaAs MMIC HERMETIC SMT SPDT SWITCH, DC - 8.0 GHz Evaluation PCB 8 SWITCHES - SMT List of Materials for Evaluation PCB 107261 [1] Item J1 - J3 J4 - J6 U1 PCB [2] Description PCB Mount SMA RF Connector DC Pin HMC347G8 SPDT Switch 102088-3 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. 8 - 206 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 HMC347G8 v02.0605 GaAs MMIC HERMETIC SMT SPDT SWITCH, DC - 8.0 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 - 207 |
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