AD603SQ/883B Analog Devices, AD603SQ/883B Datasheet
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AD603SQ/883B
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AD603SQ/883B Summary of contents
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... Rev. G Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices ...
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AD603 TABLE OF CONTENTS Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 4 ESD Caution.................................................................................. 4 Pin Configuration and Function Descriptions............................. 5 Typical Performance Characteristics ............................................. 6 Theory of Operation ...................................................................... 11 Noise Performance ..................................................................... 11 The Gain Control Interface....................................................... 12 Programming the ...
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SPECIFICATIONS @ T = 25° ±5 V, –500 mV ≤ noted. Table 1. Parameter INPUT CHARACTERISTICS Input Resistance Input Capacitance 1 Input Noise Spectral Density Noise Figure 1 dB Compression Point Peak Input Voltage ...
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AD603 ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Supply Voltage ±V S Internal Voltage VINP (Pin 3) GPOS, GNEG (Pins Internal Power Dissipation Operating Temperature Range AD603A AD603S Storage Temperature Range Lead Temperature Range (Soldering 60 sec) 1 ...
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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS GPOS 1 8 AD603 GNEG 2 7 VINP 3 TOP VIEW 6 (Not to Scale) COMM 4 5 Figure 2. 8-Lead Plastic SOIC (R) Package Table 3. Pin Function Descriptions Pin No. Mnemonic 1 GPOS ...
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AD603 TYPICAL PERFORMANCE CHARACTERISTICS @ T = 25° ±5 V, –500 mV ≤ noted 10.7MHz 10 100kHz 0 –10 –0.6 –0.4 –0.2 0 0.2 V (V) G Figure 4. Gain vs. ...
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HP3326A 8 DUAL- 3 CHANNEL 5 SYNTHESIZER AD603 7 100Ω 0.1µF –5V DATEL DVC 8500 Figure 10. Third Order Intermodulation Distortion Test Setup 10dB/DIV Figure 11. Third Order Intermodulation Distortion at 455 kHz (10× Probe Used ...
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AD603 102 100 100k 1M FREQUENCY (Hz) Figure 16. Input Impedance vs. Frequency (Gain = +30 dB) 1V 100 Figure 17. Gain Control Channel Response Time 4.5V INPUT GND 1V/DIV 500mV OUTPUT GND ...
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FREQUENCY (Hz) Figure 22. PSRR vs. Frequency (Worst Case is Negative Supply PSRR, Shown Here) 0.1 µ F +5V HP3326A 8 DUAL- 3 CHANNEL 5 SYNTHESIZER AD603 7 100 Ω ...
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AD603 25° Ω 100 Ω TEST SETUP FIGURE 23 30MHz 16 40MHz 14 12 70MHz 10 8 –40 –30 INPUT LEVEL (dBm) Figure 28. Third Order ...
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THEORY OF OPERATION The AD603 comprises a fixed-gain amplifier, preceded by a broadband passive attenuator 42.14 dB, having a gain control scaling factor per volt. The fixed gain is laser- trimmed in two ...
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AD603 VPOS 8 SCALING REFERENCE VNEG 6 GPOS GNEG 2 INTERFACE 0dB –6.02dB –12.04dB –18.06dB –24.08dB –30.1dB –36.12dB –42.14dB VINP COMM 4 THE GAIN CONTROL INTERFACE The attenuation is controlled through a differential, ...
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VC1 1 GPOS VPOS 8 VPOS AD603 VC2 2 GNEG VOUT 7 VIN 3 VINP VNEG 6 VNEG COMM FDBK 4 5 Figure 31 dB; 30 MHz Bandwidth VC1 GPOS VPOS VPOS 1 8 AD603 VC2 ...
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AD603 USING THE AD603 IN CASCADE Two or more AD603s can be connected in series to achieve higher gain. Invariably, ac coupling must be used to prevent the dc offset voltage at the output of each amplifier from overloading the ...
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INPUT 0dB GPOS V = 2.0V C Figure 38. AD603 Gain Control Input Calculations for Sequential Operation V +31.07dB +31.07dB 1 +10dB –11.07dB –8.93dB 0.473 GAIN 0 0.5 1.0 1.50 (dB) –22.14 – GAIN ...
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AD603 2.0 1.5 1.0 0.5 0 –0.5 –1.0 –1.5 –2.0 –0.2 0 0.2 0.4 0.6 0.8 1.0 1 Figure 42. Gain Error for Cascaded Stages–Sequential Control PARALLEL MODE (SIMPLEST GAIN CONTROL INTERFACE) In this mode, the gain control ...
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V C Figure 46. ISNR vs. Control Voltage—Low Ripple Mode 1.0 1.2 Rev Page AD603 ...
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AD603 APPLICATIONS A LOW NOISE AGC AMPLIFIER Figure 47 shows the ease with which the AD603 can be connected as an AGC amplifier. The circuit illustrates many of the points previously discussed: It uses few parts, has linear-in- dB gain, ...
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During the time V is negative with respect to the base OUT voltage of Q1, Q1 conducts; when V OUT Since the average collector current forced to be 300 µA, and the square wave has a duty ...
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... AD603ARZ-REEL −40°C to +85°C 1 AD603ARZ-REEL7 −40°C to +85°C AD603AQ −40°C to +85°C 2 AD603SQ/883B −55°C to +125°C AD603-EB AD603ACHIPS Pb-free part. 2 Refer to AD603 Military data sheet. Also available as 5962-9457203MPA. © 2005 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners ...