August 29, 2013 TB221A Frequency=225-2000MHz Pout=50W Gain=10dB Vds=48Vdc Idq=400mA Efficiency=30 to 50% GX3442 Bias instructions for TB221A 1. 2. 3. 4. 5. 6. 7. 8. PH:(805)484-4210 FAX:(805)484-3393 Apply -6V to Vgs (yellow banana plug). Apply 48V to Vds (red banana plug). Increase Vgs until drain current reaches 400mA bias current. Apply RF input power. After RF test is completed, remove RF input power. Lower Vgs to -6V. Remove 48V Vds supply voltage. Remove -6V Vgs supply voltage. 1110 Avenida Acaso, Camarillo CA 93012 www.polyfet.com TB221A PH:(805)484-4210 FAX:(805)484-3393 1110 Avenida Acaso, Camarillo CA 93012 August 29, 2013 www.polyfet.com TB221A PH:(805)484-4210 FAX:(805)484-3393 1110 Avenida Acaso, Camarillo CA 93012 August 29, 2013 www.polyfet.com TB221A PH:(805)484-4210 FAX:(805)484-3393 1110 Avenida Acaso, Camarillo CA 93012 August 29, 2013 www.polyfet.com TB221A PH:(805)484-4210 FAX:(805)484-3393 1110 Avenida Acaso, Camarillo CA 93012 August 29, 2013 www.polyfet.com TB221A PH:(805)484-4210 FAX:(805)484-3393 1110 Avenida Acaso, Camarillo CA 93012 August 29, 2013 www.polyfet.com TB221A PH:(805)484-4210 FAX:(805)484-3393 1110 Avenida Acaso, Camarillo CA 93012 August 29, 2013 www.polyfet.com TB221A PH:(805)484-4210 FAX:(805)484-3393 1110 Avenida Acaso, Camarillo CA 93012 August 29, 2013 www.polyfet.com TB221A PH:(805)484-4210 FAX:(805)484-3393 1110 Avenida Acaso, Camarillo CA 93012 August 29, 2013 www.polyfet.com TB221A PH:(805)484-4210 FAX:(805)484-3393 1110 Avenida Acaso, Camarillo CA 93012 August 29, 2013 www.polyfet.com TB221A PH:(805)484-4210 FAX:(805)484-3393 1110 Avenida Acaso, Camarillo CA 93012 August 29, 2013 www.polyfet.com TB221A August 29, 2013 Polyfet TB221A BOM NOMENCLATURE C9,C3,C4,C12 C17,C18,C13 C1,C14,C7 C10 C20,C5 C19 C8 C22 C21 C23 C6 C2 C11 C15, C16 L1 L2 Q1 ATTEN1 R2 R3 PCB DESCRIPTION 1000pF +/-2% Ultra-low ESR, Microwave Cap., 1111N 100pF +/-2% Ultra-low ESR, Microwave Cap., 1111N 470pF +/-2% Ultra-low ESR, Microwave Cap., 1111N 560pF +/-2% Ultra-low ESR, Microwave Cap., 1111N 0.6pF +/-2% Ultra-low ESR, Microwave Cap., 0505NC 0.3pF +/-2% Ultra-low ESR, Microwave Cap., 0505NC 2.0pF +/-2% Ultra-low ESR, Microwave Cap., 0505NC 1.2pF +/-2% Ultra-low ESR, Microwave Cap., 0505NC 6.8pF +/-2% Ultra-low ESR, Microwave Cap., 0505NC 1.1pF +/-2% Ultra-low ESR, Microwave Cap., 0505NC 820pF +/-2% Ultra-low ESR, Microwave Cap., 0505NC 300pF +/-2% Ultra-low ESR, Microwave Cap., 0505NC 47uF 50V Tantalum Capacitor 47uF 100V Electrolytic Capacitor 538nH Maxi Spring Air Core Inductor 0805 Zo= 1kohms HiSpeed EMI Filter Beads,Chokes/ Arrays GaN Transistor 0.5dB, 3W,IAX Series Surface Mount Thick Film Attenuator 10 OHM POWER RESISTOR 200 OHM FLANGE MOUNT RESISTOR material RO6035 Er=3.5 60mils(1.524mm) 2oz/2oz (70um/70um) PH:(805)484-4210 FAX:(805)484-3393 VENDER Passive Plus, Inc Passive Plus, Inc Passive Plus, Inc Passive Plus, Inc Passive Plus, Inc Passive Plus, Inc Passive Plus, Inc Passive Plus, Inc Passive Plus, Inc Passive Plus, Inc Passive Plus, Inc Passive Plus, Inc Vishay Panasonic Coilcraft Murata Electronics North America POLYFET RF DEVICES IMS American Technical Ceramics Innovative Power Products Rogers. Corp 1110 Avenida Acaso, Camarillo CA 93012 VENDER PART # 1111N102 1111N101 1111N471 1111N561 0505C1R6 0505C1R3 0505C2R0 0505C1R2 0505C6R8 0505C1R1 0505C821 0505C301 597D476X0050Z2T ECA-2AHG470B 132-20SMGL 81-BLM21BD102SH1D GX3442 IA3-2010WA00D5 CS12010T0010GBK IPP-RB201-200 RO6035 www.polyfet.com