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Description
ADL5330 10MHz to 3GHz VGA with 20dB Adjustable Gain Amplifier Op Amp Voltage Controlled Variable Gain RF Amplifier
Product Description
The ADL 5330 is a high-performance voltage controlled variable gain amplifier (VGA)/attenuator suitable for applications with frequencies up to 3 GHz. The balanced structure of the signal path minimizes distortion, while also reducing the risk of spurious feedforward due to parasitic coupling at low gains and high frequencies. Although it is recommended to balance the operation between the source and the load, the unilateral input can be internally converted to a differential form. Both input and output adopt balun coupling.
Chip Feature
Voltage-controlled amplifier/attenuator
Operating frequency 10 MHz to 3 GHz
Optimized for controlling output power
High linearity: OIP3 31 dBm @ 900 MHz
Output noise floor: −150 dBm/Hz @ 900 MHz
50 Ω input and output impedances Single-ended or differential operation
Wide gain-control range: −34 dB to +22 dB @ 900 MHz
Linear-in-dB gain control function, 20 mV/dB
Single-supply 4.75 V to 5.25 V
Specification
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item
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value
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Power supply voltage
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+5V DC (typical current value 220mA/maximum gain output)
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Working frequency
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10M-3000MHZ, input and output impedance: 50 ohms;
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Maximum output amplitude
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22dbm
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Variable gain range
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-34dB to 22dB
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Control voltage range
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DC 0-1.4V, select on-board potentiometer control, or add DA for program control
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Module size
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50mm * 40mm
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Module weight
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21.1g (with packaging)
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Installation Instructions
Waveform test
10MHz (input 100mv):
50MHz (input 100mv):
200MHz (input 100mv):
400MHz (input 100mv, because the oscilloscope parameter is 200M, so the frequency is different):