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| ZAMP002 800-2500MHz MMIC WIDEBAND AMPLIFIER Medium Power, 22dB Gain, Wide Dynamic Range DESCRIPTION The ZAMP002 is an low current high performance RF amplifier designed for L band and IF applications. Although the ZAMP002 has been designed primarily for DBS applications the ZAMP002 is capable of extending to frequencies of 2.5GHz so it has a good fit with various applications. An additional benefit of the ZAMP002 is it's rising gain characteristic, this has been designed to counteract the gain losses found at the higher frequencies. The ZAMP002 has been optimized to an input impedance of 50ohms while the output impedance has been designed for optimum match to an impedance of 75ohms. Packaged in a small SC70-6 w i th the m i ni m um num ber of e x t e r n a l b i a s components required it is the ideal solution for space and current limited applications. SC70-6 FEATURES * L and IF frequency band * Low noise * Low current consumption 21mA typical * Gain 22dB typical * Rising gain across band * IP3 22dBm @ 1GHz * 4.5 to 5.5V supply voltage * SC70-6 SMD package CONNECTION DIAGRAM Top View GND 1 GND 2 INPUT 3 6 OUTPUT 5 GND 4 VCC APPLICATIONS * Satellite LNB receivers * RF buffers - tuners * SMR (Special Mobile Radio) * RLAN/WLAN * General purpose ZAMP002H6TA ZAMP002H6TC ORDERING INFORMATION DEVICE REEL SIZE (inches) 7" 13" QUANTITY PER REEL 3000 units 10000 units DEVICE MARKI NG ZB02 ZB02 ISSUE 2 - MARCH 2003 1 SEMICONDUCTORS ZAMP002 ABSOLUTE MAXIMUM RATINGS Supply Voltage Supply Current Operating Temperature Storage Temperature 7V 30mA -40 to 85C -50 to 125C ELECTRICAL CHARACTERISTICS Test Conditions (unless otherwise stated): VCC = 5V, Tamb = 25C, Zo = 50 . SYMBOL FO V CC I CC Gp PARAMETER Operating Frequency Supply Voltage Supply Current Power Gain F = 950 MHz F = 1550 MHz F = 2150 MHz NF Noise Figure F = 950 MHz F = 1550 MHz F = 2150 MHz IP3 3rd Order Intercept Point F = 950 MHz F = 2150 MHz P1dB RL IN RL OUT Risol 1dB Gain Compression Input Return Loss F = 950 to 2150 MHz F = 950 MHz F = 2150 MHz Output Return Loss F = 950 MHz F = 2150 MHz Reverse Isolation F = 950 MHz F = 2150 MHz 18 21 CONDITIONS MIN 800 4.5 5 21 22 22 23 6 6.5 7 22 17 7 16 17 10 9 30 33 25 TYP. MAX 2500 5.5 24 UNITS MHz V mA dB dB dB dB dB dB dBm dBm dBm dB dB dB dB dB dB ISSUE 2 - MARCH 2003 SEMICONDUCTORS 2 ZAMP002 TYPICAL CHARACTERISTICS Test Conditions (unless otherwise stated): VCC = 5V, Tamb = 25C, Zo = 50 . ISSUE 2 - MARCH 2003 3 SEMICONDUCTORS ZAMP002 TYPICAL CHARACTERISTICS ISSUE 2 - MARCH 2003 SEMICONDUCTORS 4 TEST CIRCUIT ZAMP002 Vcc C4 100nF X7R C3 100pF NPO C5 100pF NPO L1 100nH 4 J1 C1 3 100pF NPO IC1 6 C2 100pF NPO J2 1 2 5 ZAMP002 CIRCUIT COMPONENTS LIST Circuit Ref. C1,C2,C3, C5 C4 L1 IC1 Description Chip ceramic capacitor Chip ceramic capacitor Chip inductor ZAMP002 Value 100 pF 100 nF 100 nH Type Murata GRH708 series, size 0805 X7R, size 0805 Murata LQW18ANR10G00D, size 0805 Wideband Amplifier, SC70-6 ISSUE 2 - MARCH 2003 5 SEMICONDUCTORS ZAMP002 TEST CIRCUIT LAYOUT APPLICATION NOTES The ZAMP002 is a wideband RFIC amplifier designed for use primarily in DBS applications. The amplifier is designed to provide a 50 Ohm input and 75 Ohm output and thus requires no additional matching components. The input and output signal connections each require a DC blocking capacitor (C1 and C2). A suitable value for these capacitors is 100pF for the 950MHz to 2150MHz frequency range. For other frequency ranges the value of the capacitor should be such that its reactance at the lowest operating frequency is small when compared to 50 ohms (or 75 Ohms for the output). Supply de-coupling is also recommended and should take the form of a suitable 100pF capacitor, C3, for the 950MHz to 2150MHz frequency range. The 100pF capacitor should be mounted as close to the Vcc pin of the amplifier as is physically possible. An additional low frequency de-coupling capacitor, C4, with a value of 100nF is also advised. The ZAMP002 requires a RF choke inductor, L1, providing DC bias to the output line. A value of 100nH is recommended for the 950 MHz to 2150MHz frequency range. An example layout for a test board for the ZAMP series can be seen above. This was designed for an FR4 board 1 x 1 inch, 0.016 inch thick with a copper thickness of 35 microns. Edge mounted SMA connectors were used for the RF signals. ISSUE 2 - MARCH 2003 SEMICONDUCTORS 6 ZAMP002 Notes ISSUE 2 - MARCH 2003 7 SEMICONDUCTORS ZAMP002 PACKAGE DIMENSIONS SC706 PACKAGE DIMENSIONS MILLIMETRES DIM A A1 A2 b C D 0.70 0.15 0.08 MIN MAX 1.00 0.10 0.90 0.30 0.25 DIM E E1 e e1 L 0.26 0 1.25 MILLIMETRES MIN MAX 2.10 BSC 1.35 0.65 BSC 1.30 BSC 0.46 8 2.00 BSC (c) Zetex plc 2003 Europe Zetex plc Fields New Road Chadderton Oldham, OL9 8NP United Kingdom Telephone (44) 161 622 4444 Fax: (44) 161 622 4446 hq@zetex.com Zetex GmbH Streitfeldstrae 19 D-81673 Munchen Germany Telefon: (49) 89 45 49 49 0 Fax: (49) 89 45 49 49 49 europe.sales@zetex.com Americas Zetex Inc 700 Veterans Memorial Hwy Hauppauge, NY 11788 USA Telephone: (1) 631 360 2222 Fax: (1) 631 360 8222 usa.sales@zetex.com Asia Pacific Zetex (Asia) Ltd 3701-04 Metroplaza Tower 1 Hing Fong Road Kwai Fong Hong Kong Telephone: (852) 26100 611 Fax: (852) 24250 494 asia.sales@zetex.com These offices are supported by agents and distributors in major countries world-wide. This publication is issued to provide outline information only which (unless agreed by the Company in writing) may not be used, applied or reproduced for any purpose or form part of any order or contract or be regarded as a representation relating to the products or services concerned. The Company reserves the right to alter without notice the specification, design, price or conditions of supply of any product or service. For the latest product information, log on to www.zetex.com ISSUE 2 - MARCH 2003 SEMICONDUCTORS 8 |
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