RMDA00400 OC-768 Modulator Driver MMIC ADVANCED INFORMATION Description Features The Raytheon RMDA00400 is a medium power broadband amplifier MMIC suitable as a driver for external optical modulators for OC-768 fiber optic systems. It is available in die form, and is manufactured using Raytheon's advanced 0.15m pHEMT process. Applications include Long haul, Medium haul and Metro fiber systems DC-43 GHz bandwidth High gain: 10 dB typ Low group delay Low gain ripple. Psat = 19dBm typ Low power dissipation~ 1.4W Chip size 3.84 mm x 1.28 mm Absolute Maximum Ratings Electrical Characteristics1,2 Parameter Symbol Supply Voltage RF Input Power Case Operating Temperature Storage Temperature Parameter 3 dB Bandwidth (small signal) Gain Output Power (saturated) Group Delay Min Typ 43 10 19 20 Vd Pin Tc Tstg Max Min Typical Max Units 18 +85 +100 V dBm C C +8.0 -40 -40 Unit Parameter GHz dB dBm pS Input Return Loss Output Return Loss Quiescent Current Vd Vg1 Min Typ 15 10 130 8.0 -0.3 Max Unit dB dB mA V V Notes: 1. Off-chip decoupling and blocking capacitors required. 2. All parameters met at T = 25C, Vd = 8.0V, IDQ= 130mA. Measured in 50 ohm system Characteristic performance data and specifications are subject to change without notice. www.raytheon.com/micro Revised November 21, 2001 Page 1 Raytheon RF Components 362 Lowell Street Andover, MA 01810 RMDA00400 OC-768 Modulator Driver MMIC ADVANCED INFORMATION Performance Data Small Signal Frequency Response Vd= 8.0V, Idq= 130mA 20 15 10 5 0 -5 0 5 10 15 20 25 30 35 40 45 50 (dB) -10 -15 -20 -25 -30 S11 dB S21 dB S22 dB -35 -40 -45 -50 Frequency (GHz) Pout (dBm) Pin VS Pout at 30 GHz, Vd=8.0V, Idq=130mA 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 Pin (dBm) Characteristic performance data and specifications are subject to change without notice. www.raytheon.com/micro Revised November 21, 2001 Page 2 Raytheon RF Components 362 Lowell Street Andover, MA 01810 RMDA00400 OC-768 Modulator Driver MMIC ADVANCED INFORMATION Recommended Application Schematic Circuit Diagram Piconics spiral inductors Vd (+ve) 10,000 pF VDAUX VD1 VD2 RF In RF Out VG2 VGAUX VG1 Vg1 (-ve) 10,000 pF 10,000 pF Chip Layout and Bond Pad Locations 100 pF 10,000 pF 100 pF CAUTION: THIS IS AN ESD SENSITIVE DEVICE. Dimensions in mm Characteristic performance data and specifications are subject to change without notice. www.raytheon.com/micro Revised November 21, 2001 Page 3 Raytheon RF Components 362 Lowell Street Andover, MA 01810 RMDA00400 OC-768 Modulator Driver MMIC ADVANCED INFORMATION Vd (+8V) Recommended Assembly Diagram Piconics Spiral Inductors 10,000pF Die-Attach 80Au/20Sn 5 mil Thick Alumina 50-Ohm 5mil Thick Alumina 50-Ohm RF Output RF Input 100pF 100pF 2 mil Gap L< 0.015" (2 Places) 10,000pF 10,000pF 10,000pF Vg1 (-ve) Recommended Procedure for Biasing and Operation CAUTION: THIS IS AN ESD SENSITIVE DEVICE. LOSS OF GATE VOLTAGE (VG1) WHILE DRAIN VOLTAGE (VD) IS PRESENT MAY DAMAGE THE AMPLIFIER CHIP. The following sequence of steps must be followed to properly test the amplifier: Step 1: Turn off RF input power. Step 2: Connect the DC supply grounds to the ground of the chip carrier. Apply negative gate bias supply voltage of -1.0 V to Vg1. Step 3: Apply positive drain bias supply voltage of +8.0 V to Vd, and monitor drain current Id. Step 4: Adjust gate bias voltage Vg1 to set the quiescent current of Idq ~ 130 mA. Step 5: After the bias condition is established, the RF input signal may now be applied at the appropriate frequency band. Adjust Vg1 for best gain flatness. Note: When the device is under RF operation, the supply current Id will increase depending upon output power required. Step 6: Follow turn-off sequence of: (i) Turn off RF input power. (ii) Turn down and off drain voltage (Vd). (iv) Turn down and off gate bias voltage (Vg1). Characteristic performance data and specifications are subject to change without notice. www.raytheon.com/micro Revised November 21, 2001 Page 4 Raytheon RF Components 362 Lowell Street Andover, MA 01810 Worldwide Sales Representatives ADVANCED INFORMATION Spartech South 2115 Palm Bay Road, NE, Suite 4 Palm Bay, FL 32904 321-727-8045 fax: 321-727-8086 Jim Morris jim@spartech-south.com TEQ Sales, Inc. 920 Davis Road, Suite 304 Elgin, IL 60123 847-742-3767 fax: 847-742-3947 Dennis Culpepper dculpepper@teqsales.com Cantec Representatives 8 Strathearn Ave, No. 18 Brampton, Ontario Canada L6T 4L9 905-791-5922 fax: 905-791-7940 Dave Batten cantec-ott@cantec-o.net Steward Technology 6990 Village Pkwy #206 Dublin, CA 94568 925-833-7978 fax: 925-560-6522 John Steward johnsteward1@msn.com Sangus OY Lunkintie 21, 90460 Oulunsalo Finland 358-8-8251-100 fax: 358-8-8251-110 Juha Virtala juha.virtala@sangus.fi Sangus AB Berghamnvagen 68 Box 5004 S-165 10 Hasselby Sweden Ronny Gustafson 468-0-380210 fax: 468-0-3720954 Globes Elektronik & Co. 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Box 6067 Amherst, NH 03031 866-230-5453 fax: 603-672-9228 sales@hi-peak.com Europe United Kingdom BFI Optilas Burnt Ash Road Aylesford, Kent England ME207XB 44 1622882467 fax: 44 1622882469 Belgium and Luxembourg rfsales.uk@ bfioptilas.avnet.com BFI Optilas Cipalstraat 2440 GEEL Belgium 32 14 570670 fax: 32 14 570679 sales.be@bfioptilas.avnet.com Sales Office Headquarters Customer Support www.raytheon.com/micro United States (East Coast) Raytheon 362 Lowell Street Andover, MA 01810 978-684-8628 fax: 978-684-8646 Walter Shelmet wshelmet@ rrfc.raytheon.com United States (West Coast) Raytheon 362 Lowell Street Andover, MA 01810 978-684-8919 fax: 978-684-8646 Rob Sinclair robert_w_sinclair@ rrfc.raytheon.com 978-684-8900 fax: 978-684-5452 customer_support@rrfc.raytheon.com Characteristic performance data and specifications are subject to change without notice. Revised November 21, 2001 Page 5 Raytheon RF Components 362 Lowell Street Andover, MA 01810