Register Description R820T2 (Rafael Micro) - 8

Reg R/W Bitmap Symbol Description
Filter bandwidth manual course tunnel 00: widest R/W [6:5] FILT_BW 10 or 01: middle
R11
11: narrowest
0x0B
High pass filter corner control R/W [3:0] HPF[3:0] 0000: highest 1111: lowest VGA power control R/W [6] PWD_VGA 0: vga power off 1: vga power on VGA GAIN manual / pin selector
R12
R/W [4] VGA_MODE 1: IF vga gain controlled by vagc pin
0x0C
0: IF vga gain controlled by vga_code[5:0] IF vga manual gain control R/W [3:0] VGA_CODE[3:0] 0000: -12.0 dB 1111: +40.5 dB; -3.5dB/step LNA agc power detector voltage threshold high setting R/W [7:4] LNA_VTHH[4:0] 1111: 1.94 V
R13
0000: 0.34 V, ~0.1 V/step
0x0D
LNA agc power detector voltage threshold low setting R/W [3:0] LNA_VTHL[3:0] 1111: 1.94 V 0000: 0.34 V, ~0.1 V/step MIXER agc power detector voltage threshold high setting R/W [7:4] MIX_VTH_H[4:0] 1111: 1.94 V
R14
0000: 0.34 V, ~0.1 V/step
0x0E
MIXER agc power detector voltage threshold low setting R/W [3:0] MIX_VTH_L[3:0] 1111: 1.94 V 0000: 0.34 V, ~0.1 V/step CONFIDENTIAL © 2012 by Rafael Microelectronics, Inc. All rights reserved. 8