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| CGA-6618(Z) Dual CATV 1MHz to 1000MHz High Linearity GaAs HBT Amplifier CGA-6618(Z) DUAL CATV 1MHz to 1000MHz HIGH LINEARITY GaAs HBT AMPLIFIER RoHS Compliant and Pb-Free Product (Z Part Number) Package: ESOP-8 Product Description RFMD's CGA-6681(Z) is a high performance GaAs HBT MMIC Amplifier. Designed with the InGaP process technology for excellent reliability. A Darlington configuration is utilized for broadband performance. The heterojunction increases breakdown voltage and minimizes leakage current between junctions. The CGA-6618(Z) contains two amplifiers for use in wideband Push-Pull CATV amplifiers requiring excellent second orfer performance. The second or third order non-linearities are greatly improved in the push pull configuration. Optimum Technology Matching(R) Applied GaAs HBT GaAs MESFET InGaP HBT SiGe BiCMOS Si BiCMOS SiGe HBT GaAs pHEMT Si CMOS Si BJT GaN HEMT InP HBT Features Available in Lead-Free, RoHS Compliant, and Green Packaging Excellent CSO/CTB/XMOD Performance at +34dBmV Output Power Per Tone Dual Devices in Each SOIC-8 Package Simplify Push-Pull Configuration PC Board Layout ESOP-8 Package Amplifier Configuration 1 2 3 4 8 7 6 5 Applications CATV Head End Driver and Predriver Amplifier CATV Line Driver Amplifier Parameter Small Signal Gain Min. 12.4 12.0 Specification Typ. 13.8 14.1 13.4 13.0 76.5 77.5 72.0 38.0 39.0 40.0 20.0 21.0 21.5 15.5 12.5 Max. 14.4 14.0 Unit dB dB dB dB dBm dBm dBm dBm dBm dBm dBm dBm dBm dB dBm dB dB dB 50MHz 500MHz 870MHz 1000MHz 50MHz 250MHz 500MHz 50MHz 500MHz 870MHz 50MHz 500MHz 870MHz 500MHz 100 - 870MHz 500MHz 100 - 870MHz 50MHz Condition OIP2, Tone Spacing=1MHz, POUTper tone-+6dBm 70.0 OIP3, Tone Spacing=1MHz, POUTper tone-+6dBm 38.0 Output Power at 1dB Compression 19.5 Input Return Loss 10 Output Return Loss 9.0 Noise Figure - Balium Insertion Loss Included 5.3 5.4 dB 500MHz 5.6 6.6 dB 870MHz Test Conditions: VS =8V, ID =160mA Typ., RBIAS =33, TL =25C, ZS =ZL =75, Push Pull Application Circuit RF MICRO DEVICES(R), RFMD(R), Optimum Technology Matching(R), Enabling Wireless ConnectivityTM, PowerStar(R), POLARISTM TOTAL RADIOTM and UltimateBlueTM are trademarks of RFMD, LLC. BLUETOOTH is a trademark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. (c)2006, RF Micro Devices, Inc. EDS-101993 Rev L 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 1 of 10 CGA-6618(Z) Absolute Maximum Ratings Parameter Max Device Current (ID) Max Device Voltage (VD) Max RF Input Power Max Junction Temp (TJ) Operating Temp Range (TL) Max Storage Temp Min Storage Temp Rating 240 7 +20 +150 -40 to +85 +150 -65 Unit mA V dBm C C C Caution! ESD sensitive device. Exceeding any one or a combination of the Absolute Maximum Rating conditions may cause permanent damage to the device. Extended application of Absolute Maximum Rating conditions to the device may reduce device reliability. Specified typical performance or functional operation of the device under Absolute Maximum Rating conditions is not implied. RoHS status based on EUDirective2002/95/EC (at time of this document revision). The information in this publication is believed to be accurate and reliable. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents, or other rights of third parties, resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice. Operation of this device beyond any one of these limits may cause permanent damage. For reliable continuous operation, the device voltage and current must not exceed the maximum operating values specified in the table on page one. Bias Conditions should also satisfy the following expression: IDVD <(TJ -TL)/RTH, j-l and TL =TLEAD Parameter Min. Specification Typ. Max. Unit Condition Worst Case Over Band, CSO 81 dBc 79 Ch., Flat, +34dBmV Worst Case Over Band, CTB 70 dBc 79 Ch., Flat, +34dBmV Worst Case Over Band, XMOD 63 dBc 79 Ch., Flat, +34dBmV Device Operating Voltage 4.8 5.1 5.4 V Device Operating Current 144 160 176 mA Thermal Resistance 35 C/W (Junction to Lead) Test Conditions: VS =8V, ID =160mA Typ., RBIAS =33, TL =25C, ZS =ZL =75, Push Pull Application Circuit Typical RF Performance: VS=8V, ID=160mA @ TL=+25C, RBIAS=33 Ohms, Push-Pull Config. Gain vs. Frequency 18 17 16 -40C +25C +85C Gain (dB) 15 14 13 12 11 10 0 100 200 300 400 500 600 700 800 900 1000 Frequency (MHz) |S11| (dB) vs. Frequency 0 -2 -4 -6 -40C +25C +85C |S22| (dB) vs. Frequency 0 -2 -4 -6 -40C +25C +85C |S11| (dB) |S22| (dB) -8 -10 -12 -14 -16 -18 -20 0 100 200 300 400 500 600 700 800 900 1000 -8 -10 -12 -14 -16 -18 -20 0 100 200 300 400 500 600 700 800 900 1000 Frequency (MHz) Frequency (MHz) 2 of 10 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. EDS-101993 Rev L CGA-6618(Z) Typical RF Performance: VS=8V, ID=160mA @ TL=+25C, RBIAS=33 Ohms, Push-Pull Config. Third Order Intercept Point vs. Frequency over Temperature 50 90 Second Order Intercept Point vs. Frequency over Temperature 45 85 40 80 IP3 (dBm) IP2 (dBm) -40C +25C 35 75 30 70 -40C 65 +25C +85C 25 +85C 20 0 100 200 300 400 500 600 700 800 900 1000 60 0 50 100 150 200 250 300 350 400 450 500 550 Freq. (MHz) Freq. (MHz) Third Harmonic vs. Pout and Freq. Data shown is typical at 25C 100 Second Harmonic vs. Pout and Freq. Data shown is typical at 25C 100 90 90 80 80 IM2 (dBc) IM3 (dBc) 70 66MHz 100MHz 50 250MHz 500MHz 40 0 1 2 3 4 5 6 70 66MHz 100MHz 50 250MHz 500MHz 40 0 1 2 3 4 5 6 60 60 Pout (dBm) Noise Figure vs. Frequency Over Temperature 8.0 7.0 90 100 Pout (dBm) CTB/CSO/XMOD 34dBmV/Chan., Flat 6.0 80 5.0 NF(dB) dBc -40C +25C +85 4.0 3.0 2.0 1.0 0.0 0 100 200 300 400 500 600 700 800 900 1000 70 60 Xmod CSO+ 40 0 50 100 150 200 250 300 350 400 450 500 550 600 CTB CSO- 50 Freq. (MHz) Freq. (MHz) EDS-101993 Rev L 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 3 of 10 CGA-6618(Z) CSO/CTB/XMOD Performance: VS=8V, ID=150mA @ TL=+25C, RBIAS=39 Ohms, Push-Pull Config, 79 Ch. Flat Analog, No Digital Channels. Push-Pull CGA-6618 CTB vs. Pout and Freq. 100 32dBmV 90 36dBmV 40dBmV 80 34dBmV 38dBmV 42dBmV 80 90 100 Push-Pull CGA-6618 XMOD vs. Pout and Freq. 32dBmV 36dBmV 40dBmV 34dBmV 38dBmV 42dBmV dBc 70 dBc 0 100 200 300 400 500 600 70 60 60 50 50 40 40 Frequency (MHz) 0 100 200 300 400 500 600 Frequency (MHz) Push-Pull CGA-6618 CSO- vs. Pout and Freq. 100 100 Push-Pull CGA-6618 CSO+ vs. Pout and Freq. 90 90 80 80 dBc 70 dBc 70 60 60 32dBmV 50 36dBmV 40dBmV 40 0 100 200 300 400 500 600 0 100 200 300 400 500 600 34dBmV 38dBmV 42dBmV 32dBmV 50 36dBmV 40dBmV 40 34dBmV 38dBmV 42dBmV Frequency (MHz) Frequency (MHz) 4 of 10 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. EDS-101993 Rev L CGA-6618(Z) Typical RF Performance - Single Ended - 50 Ohm System VS=8V, ID=80mA (one amp biased), TL=+25C, RBIAS=33 Ohms Gain & Isolation vs. Frequency 18 16 14 12 0 -4 -8 |S11| & |S22| vs. Frequency 0 -5 -10 Isolation (dB) -12 -16 -20 -24 Gain (dB) Isolation (dB) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 Gain (dB) -15 dB 10 8 6 4 2 0 -20 -25 -30 -35 -40 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 |S11| |S22| -28 -32 -36 Frequency (GHz) Frequency (GHz) Typical RF Performance - Single Ended - 37.5 Ohm System VS=8V, ID=80mA (one amp biased), TL=+25C, RBIAS=33 Ohms Gain & Isolation vs. Frequency 18 16 14 12 0 -4 -8 0 -5 -10 |S11| & |S22| vs. Frequency Isolation (dB) -12 -16 -20 -24 Gain (dB) Isolation (dB) 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 -28 -32 -36 -15 Gain (dB) dB 10 8 6 4 2 0 -20 -25 -30 -35 -40 0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 |S11| |S22| Frequency (GHz) Frequency (GHz) EDS-101993 Rev L 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 5 of 10 CGA-6618(Z) 50MHz to 870MHz Application Circuit Schematic Vs RBIAS 1 P Tant. F 0.01 P 1000pF F 68pF 220 nH 1 8 Amp 1 Macom ETC1-1-13 1000 pF 2,3 6,7 1000 pF 1000 pF 4 Amp 2 5 1000 pF Macom ETC1-1-13 CGA-3318 SOIC-08 220 nH 1 P Tant. F 0.01 P F 1000pF 68pF RBIAS Vs 50MHz to 870MHz Evaluation Board Layout Rbias 1uF Tant. RF INPUT .01uF 1000pF 68pF Balun ETC1-1-13 220nH 1000pF 1000pF Balun ETC1-1-13 RF OUTPUT 1000pF 220nH 1000pF 68pF 1000pF .01uF 1uF Tant. ECB-101611 Rev A ESOP-8 Push-Pull Eval Board Rbias 6 of 10 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. EDS-101993 Rev L CGA-6618(Z) 5MHz to 100MHz Application Circuit Schematic Vs RBIAS 1 P Tant. F 0.01 P 1000pF F 68pF 10 P + 1 8 Amp 1 Macom ETC1-1T 0.01 P F 2,3 6,7 0.01 P F 0.01 P F 4 Amp 2 5 0.01 P F Macom ETC1-1T CGA-3318 SOIC-08 10 P + 1 P Tant. F 0.01 P F 1000pF 68pF RBIAS Vs 5MHz to 100MHz Evaluation Board Layout Rbias 1uF Tant. RF INPUT .01uF 1000pF 68pF Balun ETC1-1T 0.01uF 10uH 0.01uF Balun ETC1-1T RF OUTPUT 0.01uF 10uH 0.01uF 68pF 1000pF .01uF 1uF Tant. ECB-101611 Rev A ESOP-8 Push-Pull Eval Board Rbias EDS-101993 Rev L 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 7 of 10 CGA-6618(Z) R ecommended B ias R esistor Values for ID=150mA R BIAS=2 ( VS-VD ) / ID Supply Voltage(VS) RBIAS 8V 33 9V 47 12 V 82 15 V 120 Note: RBIAS provi des D C bi as stabi li ty over temperature. 5 - 100 MHz Application Circuit: VS=8V, ID=160mA @ TL=+25C, Push-Pull Config. G ain v s . F re q u e n cy 16 0 R etu rn Loss vs. Freq uency -5 14 |S 11 | and |S 22 | (dB) -10 |S 22 | |S 21 | (dB) 12 -15 |S 11 | 10 -20 8 -25 6 0 10 20 30 40 50 60 70 80 90 1 00 -30 0 10 20 30 40 50 60 70 80 90 100 F requency (M Hz) F requency (M Hz) P1dB and IP3 vs. Frequency 22 40 8 7 21 39 6 20 38 Noise Figure vs. Frequency P1dB (dBm) IP3 (dBm) 5 NF (dB) 19 37 4 3 2 18 P1dB 17 IP3 16 0 10 20 30 40 50 60 70 80 90 100 110 36 35 1 34 0 0 10 20 30 40 50 60 70 80 90 100 110 Frequency (MHz) Frequency (MHz) 8 of 10 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. EDS-101993 Rev L CGA-6618(Z) Pin 1 2, 3, 6, 7 4 5 8 EPAD Function RF IN GND RF IN RF OUT/VCC RF OUT/VCC GND Description Device 1. RF input pin. This pin requires the use of an external DC-blocking capacitor as shown in the schematic. Connection to ground. Use via holes for best performance to reduce lead inductance as close to ground leads as possible. Device 2. RF input pin. This pin requires the use of an external DC-blocking capacitor as shown in the schematic. Device 2. RF output and bias pin. Bias should be supplied to this pin through an external series resistor and RF choke inductor. Because DC biasing is present on this pin, a DC-blocking capacitor should be used in most applications. The supply side of the bias network should be well bypassed. Device 1. Same as pin 5. Exposed area on the bottom side of the package must be soldered to the ground plane of the board for optimum thermal and RF performance. Several vias should be located under the EPAD as shown in the recommended land pattern. Suggested Pad Layout PCB Pad Layout Dimensions in inches [millimeters] Sized for 31 mil thick FR-4 Package Drawing and Marking Dimensions in inches (millimeters) Refer to drawing posted at www.rfmd.com for tolerances. TOP VIEW 8 7 6 5 BOTTOM VIEW PACKAGE TYPE: ESOP-8 .088 [2.25] Lot Code CGA6618 1 2 3 4 .155 [3.937] .236 [5.994] .112 [2.85] EXPOSED PAD .061 [1.549] .194 [4.93] .050 [1.27] .016 [.406] .061 [1.549] .008 [.203] .058 [1.473] .013 [.33] x 45 .008 DETAIL A PARTING LINE .194 [4.928] .003 [.076] SEATING PLANE SEE DETAIL A .155 [3.937] .025 5 SIDE VIEW END VIEW EDS-101993 Rev L 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. 9 of 10 CGA-6618(Z) Part Identification CGA-6618 CGA-6618Z Ordering Information Part Number CGA-6618 CGA-6618Z Reel Size 7" 7" Devices/Reel 500 500 10 of 10 7628 Thorndike Road, Greensboro, NC 27409-9421 * For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. EDS-101993 Rev L |
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