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| MICROWAVE CORPORATION HMC110G16 V01.0301 GaAs MMIC SMT 5 - BIT DIGITAL ATTENUATOR DC - 2.0 GHz FEBRUARY 2001 Features BANDWIDTH: DC-2 GHz BIT LEVELS: 1, 2, 4, 8, 16 dB General Description The HMC110G16 is a 5-bit surface mount hermetically sealed digital attenuator. Each bit is activated by applying a 0V control, and then disabled by applying -5 V control to the specified control pin. The five primary attenuation states can be activated independently, or collectively for a maximum combined attenuation level of 31 dB. See the non-hermetic wide band DC - 6 GHz HMC110C14. 2 SMT ATTENUATORS FAST SWITCHING: 6 nS Guaranteed Performance With 0/-5V Control, -40 to +85 deg C Parameter Insertion Loss Attenuation Range Return Loss Attenuation Accuracy: 1 - 7 dB States 8 - 15 dB States 16 - 23 dB States 24 - 31 dB States Switching Characteristics tRISE, tFALL (10/90%) tON, tOFF (50% CTL to 10/90% RF) Input Power for 0.2 dB Comp Min Atten: Max Atten: Min Atten: Max Atten: Freq. DC-2 GHz DC-2 GHz DC-2 GHz DC-2 DC-2 DC-2 DC-2 GHz GHz GHz GHz 27 10 + / - 0.5 + / - 0.6 + / - 0.8 + / - 0.8 dB dB dB dB Min. Typ. 5 31 17 +/- 8% of Setting Max. +/- 8% of Setting Max. +/- 10% of Setting Max. +/- 12% of Setting Max. 3 6 +22 +5 +44 +32 Fax: 978-250-3373 Max. 5.4 Units dB dB dB dB dB dB dB ns ns dB m dB m dB m dB m DC-2 GHz 0.5 - 2 Input Third Order Intercept Point 0.5 - 2 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Web Site: www.hittite.com 2-6 HMC110G16 MICROWAVE CORPORATION HMC110G16 SMT 5 - BIT DIGITAL ATTENUATOR DC - 2.0 GHz V01.0301 FEBRUARY 2001 Insertion Loss 0 Relative Attenuation 0 RELATIVE ATTENUATION (dB) -5 -10 -15 -20 -25 -30 -35 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 INSERTION LOSS (dB) -2 -4 -6 -8 -10 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 FREQUENCY (GHz) 2 SMT ATTENUATORS FREQUENCY (GHz) Relative Phase 90 RELATIVE PHASE (DEG) Return Loss -10 -12 -14 -16 -18 -20 50 31 dB 30 10 -10 0 0.5 1 16 dB 8 dB 1 dB, 2 dB, 4 dB 1.5 2 2.5 FREQUENCY 3 3.5 4 RETURN LOSS (dB) 70 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 FREQUENCY (GHz) 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com 2-7 HMC110G16 MICROWAVE CORPORATION HMC110G16 SMT 5 - BIT DIGITAL ATTENUATOR DC - 2.0 GHz FEBRUARY 2001 V01.0301 Schematic A1(10) B(9) A2(8) A3(7) A4(6) B4(5) A5(4) B5(3) RF1 (11) RF2 (2) 2 SMT ATTENUATORS 4dB 1dB 2dB 8dB 16dB HMC110 GND GND GND GND GND GND GND GND GND GND Pins 1, 12 - 16 and package bottom are GND. Absolute Maximum Ratings Control Voltage Range Storage Temperature Operating Temperature RF Input Power (0.5 - 4 GHz) Insertion Loss State Any Attenuation State +0.5 to -8.5 Vdc -65 to +150 deg C -40 to +125 deg C +27 dBm +13 dBm Truth Table Control Input 4 dB Bit A1 Hi Hi B1 Lo Lo Lo Hi Lo Lo 1dB A2 Hi Lo Hi Hi Hi Hi 2dB A3 Hi Hi Lo Hi Hi Hi 8dB Bit A4 Hi Hi Hi Hi Lo Hi B4 Lo Lo Lo Lo Hi Lo 16dB Bit A5 Hi Hi Hi Hi Hi Lo B5 Lo Lo Lo Lo Lo Hi Ref 1dB 2dB 4dB 8dB 16dB Att Set Control Voltages State Low High Bias Condition 0 to -0.2V@20uA Max -3V@50uA Typ to -8V@500uA Max Hi Lo Hi Hi Any combination of above states will provide an attenuation approximately equal to the sum of the bits selected. 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com 2-8 HMC110G16 MICROWAVE CORPORATION HMC110G16 SMT 5 - BIT DIGITAL ATTENUATOR DC - 2.0 GHz V01.0301 FEBRUARY 2001 Outline 0.230 SQ (5.84 SQ) MAX A2 A3 A4 B4 0.005 +0.002 /-0.001 16 PLCS 0.050 +/-0.020 16 PLCS B1 A1 RF1 A5 B5 RF2 0.310 +/-0.012 2 PLCS 2 SMT ATTENUATORS 2-9 CASE BOTTOM IS GROUND 0.012 TYP +/-0.02 16 PLCS 0.070 TYP 0.030 TYP 0.090 TYP ORIENTATION TAB PIN 1 0.000/0.006 0.021 TYP 0.065 MAX 1. MATERIAL: A) PACKAGE BODY - ALUMINA LOADED BOROSILICATE GLASS (#7052 CORNING.) B) LEADS, BASE, & COVER - KOVAR (TM) 2. PLATING: ELECTROLYTIC GOLD 50 MICROINCHES MINIMUM, OVER ELECTROLYTIC NICKEL 75 MICROINCHES MINIMUM. 3. ALL UNLABELED LEADS ARE GROUND AND PACKAGE BOTTOM IS RF GROUND Suggested Driver Circuit Vz=5.1V Izt=50uA COMPENSATED DEVICES CD4689 TTL OR CMOS VCC GND VCC GND 74HCT04 (TTL) 74HC04 (CMOS) 100 * 100pF * 100 * A GaAs ATTENUATOR CONTROL 10K B 100pF * -5 VDC Simple driver using inexpensive standard logic ICs provides fast switching using minimum DC current. * Recommended values to suppress unwanted RF signals at A/B control lines. You may adjust for switching speed considerations. 12 Elizabeth Drive, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373 Web Site: www.hittite.com |
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