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| AM55-0023 Variable Voltage Gain Control Amplifier 0.8 - 2.0 GHz Features * * * * * Highly Integrated Variable Voltage Gain Control Amplifier Operates with 3.0 V to 5 V Supply Voltage Greater than 40 dB dynamic range High Output P1dB: +17 dBm @ 3 V, 19 dBm @ 5V Low Cost 5 mm FQFP-N Package Functional Block Diagram RF In RF Out Description M/A-COM's AM55-0023 is a high performance, voltage controlled, variable gain amplifier. It has been designed for use in a broad range of applications including cellular base stations and mobile radio where AGC is required to increase system dynamic range. The gain control operates best in the 900 MHz range and also has useable gain to 2.5 GHz. DC current is low at 160 mA at 3V bias and 200 mA at 5V bias. The package is a low cost MLF. The AM55-0023 is fabricated using M/A-COM's 0.5 micron low noise GaAs MESFET process. The process features full passivation for performance and reliability. VCTL2 VCTL1 Ordering Information Part Number AM55-0023 AM55-0023TR AM55-0023RTR AM55-0023SMB 1. Package FQFP-N 5.0 mm Plastic Package Forward Tape and Reel 1 Reverse Tape and Reel 1 Sample Board If specific reel size is required, consult factory for part number assignment. Electrical Specifications T A = +25 C Parameter Gain Attenuation Range I/P Return Loss O/P Return Loss Noise Figure (min attn) P1dB IMD Test Conditions Frequency = 0.9 GHz Frequency = 2.0 GHz Frequency = 0.9 GHz Frequency = 2.0 GHz Frequency = 0.9 GHz Frequency = 2.0 GHz Frequency = 0.9 GHz Frequency = 2.0 GHz Frequency = 0.9 GHz Max P1dB when VDDB1,2,3 at 5 V VDDB = 5 V VDDA = 5 V Specifications subject to change without notice. n North America: Tel. (800) 366-2266, Fax (800) 618-8883 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. Units dB dB dB dB dB dB dB dB dB dBm dB dB Min. 23 10 40 37 14 7 11 10 14 29 25 Typ. 25 12 44 41 17 10 14 13 9 18 32 28 Max. 12 V 2.0 1 Variable Voltage Gain Control Amplifier, 2.0 GHz Operating Instructions Two pins, VCTL1 and VCTL2 control the attenuation function of this part. Varying these pins between 0 and 4.5 V controls the attenuation. VCTL1 should be controlled first to avoid degrading the input match and noise figure until more attenuation is needed. VCTL1 controls an attenuator with 30 dB of range and VCTL2 15dB of range. The AM55-0023 has two sets of Vdd pins. VDDA1,2 ,3 and VDDB1,2,3. VDDA should be supplied with 5 V. This voltage is internally stepped down to 3 V to reduce current consumption. If current consumption is not a concern OR only 3 V is available to the part then the VDDB pins should be used. Using the VDDB pins with 5 V will also give greater IP3/IMD performance (See graphs). Note: When using one set of bias pins the other should be left open circuited. AM55-0023 Pin Configuration PIN No. 1 2 3 4 5 6 7 8 9 10 11 12 PIN Name Input NC NC NC VCTL2 NC NC NC VCTL1 NC NC NC Output VDDB3 VDDA3 VDDA2 VDDB2 VDDB1 VDDA1 NC RF Output Bias Pins Bias Pins Bias Pins Bias Pins Bias Pins Bias Pins First Attenuation Control Second Attenuation Control RF Input Description Absolute Maximum Ratings Parameter Input Power2 Operating Voltages2 Operating Temperature Storage Temperature 1 13 14 15 16 17 18 Absolute Maximum +20 dBm VDDA/B1,2,3 = +6 volts -40 C to +85 C -65 C to +150 C 19 20 1. Exceeding any one or combination of these limits may cause permanent damage. 2. Ambient Temperature (T A) = +25C Typical Performance Curves Output Return Loss (over full attenuation range 0 Input Return Loss (over full attenuation range) 0 -5 -5 -10 -15 dB dB -10 -20 -25 -30 -35 -15 -20 -40 -45 -25 0.6 0.6 0.8 1 1.2 1.4 1.6 1.8 2 0.8 1 1.2 1.4 FREQUENCY (GHz) 1.6 1.8 2 FREQUENCY (GHz) Specifications subject to change without notice. n North America: Tel. (800) 366-2266, Fax (800) 618-8883 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. V 2.0 2 Variable Voltage Gain Control Amplifier, 2.0 GHz Typical Performance Curves (Cont'd) Attenuation Range 35 25 15 8 5 12 10 AM55-0023 Noise Figure dB dB 0.8 1.0 1.2 1.4 1.6 1.8 2.0 6 4 2 0 0.4 -5 -15 -25 -35 0.6 0.6 0.8 1.0 1.2 1.4 FREQUENCY (GHz) FRQUENCY (GHz) Swept IMD (VDDA Pins at 5V) 30 25 20 Swept IMD (VDDB Pins at 5V) 40 35 30 25 dB 20 15 dB 15 10 5 0 0.5 10 5 0 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 0.5 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 FREQUENCY (GHz) FREQUENCY (GHz) P1dB at 800 MHz (VDDA Pins 5V Supply) 20 18 16 14 -1 0 P1dB at 900 MHz (VDDA Pins 5V Supply) 20 18 16 Relative Gain (dB) 14 POUT (dBm) 12 10 8 6 4 2 0 -25 -20 -15 PIN (dBm) -10 -5 -5 -4 -2 -3 -1 Relative Gain (dB) V 2.0 0 POUT (dBm) -2 -3 -4 -5 -6 -18 -16 -14 -12 -10 -8 -6 12 10 8 6 4 2 0 -20 PIN (dBm) P1dB at 800 MHz (VDDB Pins 5V Supply) 22 20 18 16 14 12 10 8 6 4 2 0 -25 -20 -15 -10 -5 0 0 -1 Relative Gain (dB) -2 -3 -4 -5 POUT (dBm) 25 20 15 10 P1dB at 900 MHz (VDDB Pins 5V Supply) 0 -0.5 -1 -1.5 -2 5 0 -5 -20 -15 -10 PIN (dBm) -5 0 -2.5 -3 -3.5 Relative Gain (dB) POUT (dBm) PIN (dBm) Specifications subject to change without notice. n North America: Tel. (800) 366-2266, Fax (800) 618-8883 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. 3 Variable Voltage Gain Control Amplifier, 2.0 GHz 5 mm FQFP-N - 201 D D1 A A2 A3 A1 AM55-0023 5 mm FQFP-N - 20 Measurement (mm) Dim. A A1 A2 A3 Min. 0.80 0 0 0.23 Nom. 0.90 0.02 0.65 0.25 ref. 0.30 5.00 basic 4.75 basic 1.25 2.70 0.65 basic 5.00 basic 4.75 basic 1.25 0.35 2.70 0.55 3.25 0.75 3.25 0.38 Max. 1.00 0.05 1.00 E E1 20 x b D2 e b D D1 E2 4xe D2 e E L e 4xe E1 E2 L 1. See JEDEC MO-220A VHHC for additional dimensional and tolerance information External Components1, 2 VDDA/B VDDA/B VDDA/B L C L C C Sample Board L RFIN RFOUT VCTL2 VCTL1 Component L C Value 68nH 100pF 1. See Operating Instructions for details on VDD pins. 2. Requires 6 external components. Specifications subject to change without notice. n North America: Tel. (800) 366-2266, Fax (800) 618-8883 n Asia/Pacific: Tel.+81-44-844-8296, Fax +81-44-844-8298 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020 Visit www.macom.com for additional data sheets and product information. V 2.0 4 |
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