Other Parts Discussed in Thread: AFE5818
Hi,TI's friends.
I get LVDS data from AFE5818EVM, and convert it in Excel(see picture below). It’s not sine wave, why? I need your help!
By the way, AFE5818EVM's configure is as followed.
1.external ADC clock 25MHZ;
2.sine wave generator:2MHZ,100mVPP
3.TGC mode;
4.DIG TGC SETUP
Enable EN_DIG_TGC,36dB;
5. PGA SETUP
Enable PGA_HPF_DIS;Enable PGA_CLAMP_DIS;PGA_CLAMP_LVL -2dBFS; PGA_GAIN 24dB; Disable PGA_CLAMP_HALF;Disable SUPRESS_HIGHER_HARMONICS; Disable V2I_CLAMP;Disable RED_LNA_HPF_3X;
6.ACTIVE TERMINATION SETUP
Enable ACT_TERM_IND_RES_EN;ACT_TERM_IND_RES 1;
7.LNA SETUP
LNA_GAIN_GBL 24dB; Disable LNA_HPF; Input_clamp_lvl Auto mode;
POW_MODES low Noise
AFE581x_ADC
0x00 0x0000
0x01 0x0014
0x02 0x0000
0x03 0x8010
0x04 0x0011
AFE5818_VCA
0xC3 0x0000
0xC4 0x3021
0xC5 0x0000
0xC6 0x0000
0xC7 0x0000
0xC8 0x0000
0xC9 0x0000
0xCB 0x00E0
0xD5 0x0000
0xD7 0x0000
0xD8 0x0000
