HMC231G7 v02.1006 GaAs MMIC SMT HIGH ISOLATION SPST SWITCH, DC - 6 GHz Typical Applications Features The HMC231G7 is ideal for: Isolation: 55 dB @ 2 GHz 42 dB @ 6 GHz • Telecom Infrastructure Insertion Loss: 2 dB Typical @ 6 GHz • Microwave Radio & VSAT Non-Reflective Input/Output • Military Radios, Radar & ECM Hermetic Surface Mount Package • Space Systems • Test Instrumentation Functional Diagram General Description The HMC231G7 is a broadband high isolation nonreflective GaAs MESFET SPST switch in a hermetic surface mount package. Covering DC to 6 GHz, the switch features >55 dB isolation up to 2 GHz and >42 dB isolation up to 6 GHz. The switch operates using complementary negative control voltage logic lines of -5/0V and requires no bias supply. When the “OFF” state is selected, both RF1 and RF2 ports are terminated in 50 Ohms. SWITCHES - SMT 10 Electrical Specifi cations, TA = +25° C, With 0/-5V Control, 50 Ohm System Parameter 10 - 60 Frequency Insertion Loss DC - 2.0 GHz DC - 4.0 GHz DC - 6.0 GHz Isolation DC - 2.0 GHz DC - 4.0 GHz DC - 6.0 GHz Min. 50 43 37 Typ. Max. Units 1.3 1.4 2.0 1.6 1.7 2.4 dB dB dB 55 48 42 dB dB dB Return Loss “On State” DC - 2.0 GHz DC - 4.0 GHz DC - 6.0 GHz 17 15 12 dB dB dB Return Loss “Off State” DC - 2.0 GHz DC - 4.0 GHz DC - 6.0 GHz 15 13 12 dB dB dB 27 dBm Input Power for 1 dB Compression 0.5 - 6.0 GHz 23 Input Third Order Intercept (Two-Tone Input Power= +7 dBm Each Tone, 1 MHz Tone Separation) 0.5 - 6.0 GHz 49 dBm Switching Characteristics tRISE, tFALL (10/90% RF) tON, tOFF (50% CTL to 10/90% RF) DC - 6.0 GHz 3 6 ns ns 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 HMC231G7 v02.1006 GaAs MMIC SMT HIGH ISOLATION SPST SWITCH, DC - 6 GHz Insertion Loss Isolation 0 0 -10 -20 ISOLATION (dB) -2 -3 -40 -50 -60 +25 C +85 C -40 C -4 -30 -70 -5 -80 0 1 2 3 4 5 6 0 7 1 2 FREQUENCY (GHz) Return Loss 4 5 6 7 10 0.1 and 1 dB Input Compression Point 35 0 RF1 ON RF1 OFF RF2 ON RF2 OFF 30 P1dB (dBm) -5 -10 -15 25 1 dB Compression Point 0.1 dB Compression Point 20 -20 -25 15 0 1 2 3 4 5 6 0 7 1 2 FREQUENCY (GHz) 3 4 5 6 7 FREQUENCY (GHz) Input Third Order Intercept Point 60 55 50 IP3 (dBm) RETURN LOSS (dB) 3 FREQUENCY (GHz) SWITCHES - SMT INSERTION LOSS (dB) -1 45 40 + 25C + 85C - 40C 35 30 0 1 2 3 4 5 6 7 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 10 - 61 HMC231G7 v02.1006 GaAs MMIC SMT HIGH ISOLATION SPST SWITCH, DC - 6 GHz Absolute Maximum Ratings RF Input Power (Vctl= -5V) (0.5 - 6 GHz) +30 dBm (@ +50 °C) Control Voltage Range (A & B) +1.0V to -7.5 Vdc Channel Temperature 150 °C Thermal Resistance (RTH) (junction to lead) 94 °C/W Storage Temperature -65 to +150 °C Operating Temperature -40 to +85 °C ESD Sensitivity (HBM) SWITCHES - SMT 10 Control Voltages State Bias Condition Low 0 to -0.2V @ 10 uA Max. High -5V @ 10 uA Typ. to -7V @ 45 uA Typ. Truth Table Class 1A ELECTROSTATIC SENSITIVE DEVICE OBSERVE HANDLING PRECAUTIONS Control Input Signal Path State A B High Low RF1 to RF2 ON Low High OFF Caution: Do not “Hot Switch” power levels greater than +27 dBm (Vctl = 0/-5 Vdc). Outline Drawing NOTES: 1. PACKAGE BODY MATERIAL: WHITE ALUMINA 92% 2. CONDUCTOR TRACES MATERIAL: THICK FILM TUNGSTEN. 3. LEAD, BASE, COVER MATERIAL: KOVAR™. 4. PLATING: ELECTROLYTIC GOLD 50 MICROINCHES MIN, OVER ELECTROLYTIC NICKEL 50 MICROINCHES MIN. 5. ALL DIMENSIONS ARE IN INCHES [MILLIMETERS]. 6. TOLERANCES: .±005 [0.13] UNLESS OTHERWISE SPECIFIED. 7. ALL GROUND LEADS AND GROUND PADDLE MUST BE SOLDERED TO PCB RF GROUND. 10 - 62 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 HMC231G7 v02.1006 GaAs MMIC SMT HIGH ISOLATION SPST SWITCH, DC - 6 GHz Suggested Driver Circuit Pin Descriptions Pin Number Function Description 1, 3 RF2, RF1 This pin is DC coupled and matched to 50 Ohm. Blocking capacitors are required if RF line potential is not equal to 0V. 2, 4, 7 GND Package bottom must also be connected to PCB RF ground. 5 A See truth table and control voltage table. 6 B See truth table and control voltage table. Interface Schematic 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 SWITCHES - SMT 10 10 - 63 HMC231G7 v02.1006 GaAs MMIC SMT HIGH ISOLATION SPST SWITCH, DC - 6 GHz Evaluation PCB SWITCHES - SMT 10 List of Materials for Evaluation PBC 107746 [1] Item Description J1 - J2 PCB Mount SMA RF Connector J3 - J4 DC Pin R1, R2 100 Ohm Resistor, 0603 Pkg. U1 HMC231G7 SPDT Switch PCB [2] 107744 Evaluation PCB [1] Reference this number when ordering complete evaluation PCB [2] Circuit Board Material: Rogers 4350 10 - 64 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 HMC231G7 v02.1006 GaAs MMIC SMT HIGH ISOLATION SPST SWITCH, DC - 6 GHz Notes: SWITCHES - SMT 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 10 - 65