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| DC-6.0 GHz Attenuator Features MAATGM0001-DIE RO-P-DS-3043 B Preliminary Information 6 Bit Attenuator Range 35dB Coverage, LSB = 0.56dB TTL Control Inputs MSAGTM MESFET Process Primary Applications Satellite Communication Phased Array Radar Description The MAATGM0001-DIE is a 6-bit Attenuator with Parallel Input Control. This product is fully matched to 50 ohms on both the input and output. Fabricated using M/A-COM's repeatable, high performance and highly reliable GaAs Multifunction Self-Aligned Gate MESFET Process, each device is 100% RF tested on wafer to ensure performance compliance. M/A-COM's MSAGTM process features robust silicon-like manufacturing processes, planar processing of ion implanted transistors, multiple implant capability enabling power, lownoise, switch and digital FETs on a single chip, and polyimide scratch protection for ease of use with automated manufacturing processes. The use of refractory metals and the absence of platinum in the gate metal formulation prevents hydrogen poisoning when employed in hermetic packaging. Primary Applications Satellite Communication Phased Array Radar Electrical Characteristics: TB = 25C1, Z0 = 50, VEE = -5V Parameter Bandwidth Insertion Loss Input VSWR (At Reference) Output VSWR (At Reference) RMS Attenuation Error Attenuation Range Phase Variation over all Attenuation States Digital Supply Current Input Third Order Intercept, >2 GHz Input 1-dB Compression Point, > 2GHz 1. TB = MMIC Base Temperature 1 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. Symbol f IL VSWR VSWR RMS G IEE ITOI P1dB Typical DC-6.0 3.5 1.5:1 1.3:1 0.5 35 <5 < 10 36 26 Units GHz dB dB dB degree mA dBm dBm * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. DC-6.0 GHz Attenuator Maximum Operating Conditions 1 Parameter Input Power Digital Supply Voltage Digital Supply Current Junction Temperature Storage Temperature Symbol PIN VEE IEE Tj TSTG Absolute Maximum 31 -6 20 180 -55 to +150 MAATGM0001-DIE RO-P-DS-3043 B Preliminary Information Units dBm V mA C C 1. Operation outside of these ranges may reduce product reliability. Operation at other than the typical values may result in performance outside the guaranteed limits. Recommended Operating Conditions Characteristic Digital Supply Voltage Control Voltage Logic High / On Logic Low / Off 3 0 5 0 5 0.8 V V Symbol VEE Min -5.2 Typ -5 Max -4.8 Unit V Truth Table2 Designation A6 A5 A4 VEE A3 A2 A1 Description 18dB Attenuator Bit 9.0dB Attenuator Bit 4.5dB Attenuator Bit DC Supply Voltage 2.25dB Attenuator Bit 1.12dB Attenuator Bit 0.56dB Attenuator Bit Level Logic High Logic High Logic High -5V Logic High Logic High Logic High State Attenuation 18dB Attenuation 9.0dB Attenuation 4.5dB ON Attenuation 2.25dB Attenuation 1.12dB Attenuation 0.56dB 2. All Attenuator Bits at Logic Low = Reference State. Operating Instructions This device is static and light sensitive. The digital circuitry operation can be impaired under high intensity light, e.g. microscope light. Please handle with care. To operate the device, follow these steps. 1. Power Up: Apply VEE = -5 V. 2. Apply TTL Levels to control pads as listed in Recommended Operating Conditions 3. Power Down: Set VEE = 0 2 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. DC-6.0 GHz Attenuator 5.0 MAATGM0001-DIE 6.0 Insertion Loss Input VSWR Output VSWR 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 RO-P-DS-3043 B Preliminary Information 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 Frequency (GHz) Figure 1. Insertion Loss and VSWR vs. Frequency. 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 -0.5 -1.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 RMS Error Average Error Standard Deviation Frequency (GHz) Figure 2. Attenuator Figures of Merit: RMS Error, Average Error, and Standard Deviation over All States . M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. 3 * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. DC-6.0 GHz Attenuator MAATGM0001-DIE RO-P-DS-3043 B Preliminary Information 0 -4 -8 -12 -16 -20 -24 -28 -32 -36 -40 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Frequency (GHz) Figure 3. Gain Over All States. 45 30 15 0 -15 -30 -45 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Frequency (GHz) Figure 4. Phase Shift Over All Attenuator States. 4 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. DC-6.0 GHz Attenuator MAATGM0001-DIE RO-P-DS-3043 B Preliminary Information 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Frequency (GHz) Figure 5. Input VSWR Over All Attenuation States. 6.0 5.5 5.0 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Frequency (GHz) Figure 6. Output VSWR Over All Attenuation States. 5 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. DC-6.0 GHz Attenuator MAATGM0001-DIE RO-P-DS-3043 B Preliminary Information Mechanical Information Chip Size: 2.32 x 1.354 x 0.075 mm 0.139mm. 0.615mm. 0.815mm. 1.015mm. 1.215mm. 1.415mm. (92 1.615mm. x 54 x 3 mils) 1.815mm. 2.320mm. 1.354mm. 1.214mm. A1 A2 A3 VEE A4 A5 A6 OUT 0.711mm. 0.711mm. IN 0 2.181mm. 0 Figure 7. Die Layout Bond Pad Dimensions Pad RF I/O: IN, OUT Digital Supply Voltage: VEE TTL Control Pads: A1, A2, A3, A4, A5, A6 Size (m) 100 x 200 125 x 125 125 x 125 Size (mils) 4x8 5x5 5x5 6 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. DC-6.0 GHz Attenuator MAATGM0001-DIE RO-P-DS-3043 B Preliminary Information VEE 0.1 F 100 pF 6 CONTROL INPUTS A1 A2 A3 VEE A4 A5 A6 RFIN OUT RFOUT Figure 8. Recommended bonding diagram for pedestal mount. Support circuitry typical of MMIC characterization fixture for CW test- Assembly Instructions: Die attach: Use AuSn (80/20) 1-2 mil. preform solder. Limit time @ 300 C to less than 5 minutes. Wirebonding: Bond @ 160 C using standard ball or thermal compression wedge bond techniques. For DC pad connections, use either ball or wedge bonds. For best RF performance, use wedge bonds of shortest length, although ball bonds are also acceptable. IN 7 M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information. * North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information. |
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