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ZAMP003
800-2500MHz MMIC WIDEBAND AMPLIFIER LNA, 15dB Gain, Very Low Current
DESCRIPTION
The ZAMP003 is an ultra low current low noise amplifier designed for L band and IF applications. Although the ZAMP003 has been designed primarily for DBS applications the ZAMP003 is capable of extending to frequencies of 2.5GHz so it has a good fit with various applications. An additional benefit of the ZAMP003 is it's rising gain characteristic, this has been designed to counteract the gain losses found at the higher frequencies. The ZAMP003 has been optimized for input and output impedance's of 50 ohms. The ZAMP003 complements the buffer amplifiers in the ZAMP range to give a low current high performance solution. Packaged in a small SC70-6 with the minimum number of external bias components required it is the ideal solution for space and current limited applications.
SC70-6
FEATURES
* L and IF frequency band * Low current consumption 6.8mA typical * Gain 14.8dB typical * Rising gain * IP3 5.8dBm @ 1GHz * 4.5 to 5.5V Supply Voltage * Unconditionally stable * SC70-6 SMD package
CONNECTION DIAGRAM
Top View
GND 1 GND 2 INPUT 3
6 OUTPUT 5 GND 4 VCC
APPLICATIONS
* Satellite LNB receivers * Set-top boxes * TV tuners * SMR (Special Mobile Radio) * RLAN/WLAN * General purpose
ZAMP003H6TA ZAMP003H6TC
ORDERING INFORMATION
DEVICE REEL SIZE (inches) 7 13" QUANTITY PER REEL 3000 units 10000 units DEVICE MARKING ZP03 ZP03
PROVISIONAL ISSUE A - MARCH 2003 1
SEMICONDUCTORS
ZAMP003
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 F = 1550 MHz F = 2150 MHz NF Noise Figure F = 950 F = 1550 MHz F = 2150 MHz IP3 3rd Order Intercept Point F = 950 MHz F = 1550 MHz F = 2150 MHz P1dB RL IN RL OUT Risol 1dB Gain Compression Input Return Loss F = 950 to 2150 MHz F = 950 F = 2150 MHz Output Return Loss F = 950 F = 2150 MHz Reverse Isolation F = 950 MHz F = 2150 MHz K Stability factor F = 950 MHz F = 2150 MHz -7.5 4.5 14 CONDITIONS MIN 800 4.5 5 6.8 14.8 14.8 15.1 5.5 6.5 7.5 5.8 4.5 4 -6.5 14 14 13 21 26 27 1.8 2.1 15.8 TYP. MAX 2500 5.5 8 UNITS MHz V mA dB dB dB dB dB dB dBm dBm dBm dBm dB dB dB dB dB dB
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SEMICONDUCTORS
2
ZAMP003
TYPICAL CHARACTERISTICS
Test Conditions (unless otherwise stated): VCC = 5V, Tamb = 25C, Zo = 50 .
PROVISIONAL ISSUE A - MARCH 2003 3
SEMICONDUCTORS
ZAMP003
TEST CIRCUIT
Vcc
C4
100nF X7R
C3
100pF NPO
4
J1
C1
3 100pF NPO
IC1
6
C2
100pF NPO
J2
1 2 5
ZAMP003
TEST CIRCUIT COMPONENTS LIST
Circuit Ref. C1,C2,C3 C4 IC1 Description Chip ceramic capacitor Chip ceramic capacitor ZAMP003 Value 100 pF 100 nF Type Murata GRH708 series, size 0805 X7R, size 0805 Wideband Amplifier, SC70-6
PROVISIONAL ISSUE A - MARCH 2003
SEMICONDUCTORS
4
ZAMP003
TEST CIRCUIT LAYOUT
Note: For ZAMP003, L1 and C5 are not fitted.
APPLICATION NOTES
The ZAMP003 is a medium power wideband amplifier which is designed for low power applications. The ZAMP003 provides both a 50 Ohm input and output impedance 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 around 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. 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 around 100nF (for the 950MHz to 2150MHz range) is also advised. An example layout for a test board for the 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. The inductor is not required for the ZAMP003.
PROVISIONAL ISSUE A - MARCH 2003 5
SEMICONDUCTORS
ZAMP003
Notes
PROVISIONAL ISSUE A - MARCH 2003
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ZAMP003
Notes
PROVISIONAL ISSUE A - MARCH 2003 7
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ZAMP003
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 MILLIMETRES MIN MAX
2.10 BSC 1.25 1.35
0.65 BSC 1.30 BSC 0.26 0 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 PROVISIONAL ISSUE A - MARCH 2003
SEMICONDUCTORS
8

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