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AD603AQ DIP-8 Low Noise, Voltage-Controlled Amplifier

Art nr: 40350603
Handla denna produkt AD603AQ DIP-8 Low Noise, Voltage-Controlled Amplifier
pris 113.75 SEK
Inklusive 25% moms
1 till9
113.75 SEK
10 till24
102.35 SEK
25 till99
96.70 SEK
100 till
88.70 SEK
Lagervara, 8 st
Enhet: styck

10 000 produkter

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Frakt från 29 kr

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The AD603 is a low noise, voltage-controlled amplifier for use in RF and IF AGC systems. It provides accurate, pin-selectable gains of -11 dB to +31 dB with a bandwidth of 90 MHz or +9 dB to 51+ dB with a bandwidth of 9 MHz. Any intermediate gain range may be arranged using one external resistor. The input referred noise spectral density is only 1.3 nV/vHz, and power consumption is 125 mW at the recommended ±5 V supplies. The decibel gain is linear in dB, accurately calibrated, and stable over temperature and supply. The gain is controlled at a high impedance (50 MO), low bias (200 nA) differential input; the scaling is 25 mV/dB, requiring a gain control voltage of only 1 V to span the central 40 dB of the gain range. An overrange and underrange of 1 dB is provided whatever the selected range. The gain control response time is less than 1 µs for a 40 dB change. The differential gain control interface allows the use of either differential or single-ended positive or negative control voltages. Several of these amplifiers may be cascaded and their gain control gains offset to optimize the system SNR. The AD603 can drive a load impedance as low as 100 O with low distortion. For a 500 O load in shunt with 5 pF, the total harmonic distortion for a ±1 V sinusoidal output at 10 MHz is typically -60 dBc. The peak specified output is ±2.5 V minimum into a 500 O load. The AD603 uses a patented proprietary circuit topology-the X-AMP®. The X-AMP comprises a variable attenuator of 0 dB to -42.14 dB followed by a fixed-gain amplifier. Because of the attenuator, the amplifier never has to cope with large inputs and can use negative feedback to define its (fixed) gain and dynamic performance. The attenuator has an input resistance of 100 O, laser trimmed to ±3%, and comprises a 7-stage R-2R ladder network, resulting in an attenuation between tap points of 6.021 dB. A proprietary interpolation technique provides a continuous gain control function that is linear in dB.


Egenskaper/attribut för denna produkt
Attribut Värde
90 MHz
Matningsspänning (max)
12.6 V
Matningsspänning (min)
9.5 V
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