HMC944LC4

HMC944LC4 v02.1110 GaAs MMIC SP4T REFLECTIVE SWITCH, 23 - 30 GHz Features Broadband Performance: 23 - 30 Ghz high isolation: 35 dB insertion Loss: 2.8 dB 24 Lead 4x4mm SMt Package: 16mm² Typical Applications the hMc944Lc4 is ideal for: • telecom infrastructure • Microwave Radio & VSAt • Military & Space hybrids • test instrumentation • SAtcOM & Sensors Functional Diagram General Description the hMc944Lc4 is a broadband reflective GaAs MeSFet SP4t switch in a compact 4x4 mm ceramic package. covering 23 to 30 Ghz, this switch offers high isolation and low insertion loss. the hMc944Lc4 is controlled with 0/ -3V logic, exhibits fast switching speed and consumes much less Dc current than pin diode based solutions. with its compact form factor, the hMc944Lc4 is ideal for microwave radio as well as SAtcOM and sensor applications. the hMc944Lc4 is housed in a leadless 4x4 mm SMt package which is compatible with surface mount manufacturing techniques. 11 SwitcheS - SPDt - SMt Electrical Specifications, TA = +25° C, With 0/-3V Control, 50 Ohm System Parameter insertion Loss isolation (RFiN to RF1 - RF4) Return Loss [1] Return Loss [2] input Power for 0.1 dB compression input third Order intercept (two-tone input Power= 0 dBm each tone) Switching characteristics tRiSe, tFALL (10/90% RF) tON, tOFF (50% ctL to 10/90% RF) [1] Return loss with switch path in insertion loss state. [2] Return loss with switch path in isolation state. “On State” “Off State” (RFc to RF1, RF4) (RFc to RF2, RF3) Frequency 23 - 30 Ghz 23 - 30 Ghz 23 - 30 Ghz 23 - 30 Ghz 23 - 30 Ghz 23 - 30 Ghz 30 Min. typ. 2.8 3.5 35 10 4 17 30 Max. 4 5 Units dB dB dB dB dB dBm dBm 23 - 30 Ghz 23 - 30 Ghz 15 53 ns ns 11 - 1 For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com Application Support: Phone: 978-250-3343 or apps@hittite.com HMC944LC4 v02.1110 GaAs MMIC SP4T REFLECTIVE SWITCH, 23 - 30 GHz Insertion Loss RFIN to RF2, RF3 vs. Temperature 0 Insertion Loss RFIN to RF1, RF4 vs. Temperature 0 INSERTION LOSS (dB) -2 INSERTION LOSS (dB) -1 -1 -2 -3 +25 C +85 C -40 C -3 +25 C +85 C -40 C -4 -4 -5 23 24 25 26 27 28 29 30 -5 23 24 25 26 27 28 29 30 FREQUENCY (GHz) FREQUENCY (GHz) Isolation [1] 0 -10 -20 Return Loss On State [2] 0 -5 -10 11 SwitcheS - SPDt - SMt 11 - 2 ISOLATION (dB) -30 -40 -50 -60 -70 -80 23 24 25 26 27 28 29 30 RF1 RF2 RF3 RF4 ISOLATION (dB) -15 -20 -25 -30 -35 -40 23 24 25 26 27 28 29 30 RFC RF1 RF2 RF3 RF4 FREQUENCY (GHz) FREQUENCY (GHz) Return Loss Off State 0 0.1 dB Input Compression Point 30 INPUT COMPRESSION POINT (dBm) 28 29 30 -5 25 ISOLATION (dB) -10 20 -15 RFC RF1 RF2 RF3 RF4 15 -20 23 24 25 26 27 10 23 24 25 26 27 28 29 30 FREQUENCY (GHz) FREQUENCY (GHz) [1] Return loss with switch path in insertion loss state. [2] Return loss with switch path in isolation state. For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Order On-line at www.hittite.com Application Support: Phone: 978-250-3343 or apps@hittite.com HMC944LC4 v02.1110 GaAs MMIC SP4T REFLECTIVE SWITCH, 23 - 30 GHz Bias Voltage & Current Vc (V) Vc1 = -3V Vc2 = -3V Vc3 = -3V Vc4 = -3V ic (µA) ic1