Product/Service
Digitally Controlled Variable Gain Attenuator: RFDA0035
Source: RF Micro Devices, Inc.
RFMD's RFDA0035 is a dual-channel, digitally controlled variable gain amplifier featuring high linearity over the entire 32 gain control steps. It features independent channel power-up enable, independent channel current adjustability for optimizing DC versus IP3 and a 200Ω differential input and output impedance.
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Datasheet: Digitally Controlled Variable Gain Attenuator: RFDA0035
Datasheet: Digitally Controlled Variable Gain Attenuator: RFDA0035
Datasheet: Digitally Controlled Variable Gain Attenuator: RFDA0035
Features
- Dual Independent Digitally Controlled VGAs
- Bandwidth of 500MHz (-3dB)
- Gain Control Range=31dB (1dB Step Size)
- Differential Input and Output
- Max Gain=19.0dB@180MHz
- Noise Figure: 7.5dB @ Maximum Gain
- High OIP3/P1dB=+42/21dBm @180MHz
- Relative Phase Shift<1 °
- Single +5V Supply
- Dual 5-Bit Parallel Control Interface
- Individual Enable Control for Each VGA
- Current Adjustable for IP3 Trade Offs
- Small 32-Pin, 5.0mmx5.0mm, QFN
Applications
- Differential ADC Drivers
- Main and Diversity IF Sampling Receivers
- Wideband Multichannel Receivers
- Instrumentation
Datasheet: Digitally Controlled Variable Gain Attenuator: RFDA0035
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