HMC480ST89 / 480ST89E v02.0710 InGaP HBT GAIN BLOCKMMIC AMPLIFIER, DC - 5 GHzPin Descriptions 8 Pin Number Function Description Interface Schematic This pin is DC coupled. 1 RFIN An off chip DC blocking capacitor is required. T 3 RFOUT RF output and DC Bias (Vcc) for the output stage. K - SM These pins and package bottom must be connected to RF/ 2, 4 GND OC DC ground. BL IN Application Circuit A & G R E IV R - D S R IE IF L P M Recommended Bias Resistor Values A for Icc= 82 mA, Rbias= (Vs - Vcc) / Icc Supply Voltage (Vs) 6V 8V Note: 1. External blocking capacitors are required on RBIAS VALUE 12 Ω 39 Ω RFIN and RFOUT. RBIAS POWER RATING 1/8 W 1/4 W 2. RBIAS provides DC bias stability over temperature. Recommended Component Values for Key Application Frequencies Frequency (MHz) Component 50 900 1900 2200 2400 3500 5000 L1 270 nH 56 nH 18 nH 18 nH 15 nH 8.2 nH 6.8 nH C1, C2 0.01 μF 100 pF 100 pF 100 pF 100 pF 100 pF 100 pF Info F rmoatr pr ion f iurcne, de ished b ly iv A e n r al y o a g D n evd to p ices is bla eli c eve o ed t rde o be ras: H ccuratite tiatne M d reli iacr ble ow . Ho av wev e C er, n o o rpo Fora r t p iro ic n e ,, 2 d 0 eli A ve lrpha R y, and toad, C o place hoel rd m er s s fo : Ard, MA 01 nalog Devic 8 e 2 s 4 , Inc., responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 Phone: 978-250-3343 Fax: 978-250-3373 O rights of third parties that may result from its use. Specifications subject to change without notice. No P rde hone r O : 7 n 81- -3li 2n 9 e a -47 t w 0 w 0 • O w rd .ehit r o t nilte in .c e ao t m 8 - 126 license is granted by implication or otherwise under any patent or patent rights of Analog Devices. www.analog.com Application Support: Pho Trademarks and registered trademarks are the property of their respective owners. ne: 978-250-33 A 4 p 3 o plica r app tion Su s p @ po h rt itt : P ite ho .c ne o : 1m -800-ANALOG-D