详细描述
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.
Download RFMD’s Control Bit Generator Software
特点
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, 5.0mm x 5.0mm, QFN