HMC6301 Datasheet, PDF (14/24 Pages) Analog Devices – Programmable baseband gain and filter bandwidth

HMC6301
Register Array
Row, Bit
ROW2
ROW2, Bit 7
ROW2, Bit 6
ROW2, Bit 5
Internal Signal Name
bbamp_attenfi_0
bbamp_attenfi_1
bbamp_attenfi_2
ROW2, Bit 4
ROW2, Bit 3
ROW2, Bit 2
bbamp_attenfq_0
bbamp_attenfq_1
bbamp_attenfq_2
ROW2, Bit 1
ROW2, Bit 0
bbamp_atten2_0
bbamp_atten2_1
ROW3
ROW3, Bit 7
ROW3, Bit 6
bbamp_selbw0
bbamp_selbw1
ROW3, Bit 5
ROW3, Bit 4
ROW3, Bit 3
ROW3, Bit 2
ROW3, Bit 1
ROW3, Bit 0
ROW4
ROW4, Bit 7
ROW4, Bit 6
ROW4, Bit 5
ROW4, Bit 4
ROW4, Bit 3
ROW4, Bit 2
ROW4, Bit 1
ROW4, Bit 0
ROW5
ROW5, Bit 7
ROW5, Bit 6
ROW5, Bit 5
ROW5, Bit 4
ROW5, Bit 3
ROW5, Bit 2
ROW5, Bit 1
ROW5, Bit 0
bbamp_selfastrec
bbamp_selfastrec2
bg_monitor_sel<1>
bg_monitor_sel<0>
if_refsel
lna_refsel
ifvga_bias<2>
ifvga_bias<1>
ifvga_bias<0>
ifvga_tune<3>
ifvga_tune<2>
ifvga_tune<1>
ifvga_tune<0>
enDigVGA
ifvga_vga_adj<3>
ifvga_vga_adj<2>
ifvga_vga_adj<1>
ifvga_vga_adj<0>
rfmix_tune<3>
rfmix_tune<2>
rfmix_tune<1>
rfmix_tune<0>
Data Sheet
Signal Function
Controls I channel baseband fine attenuator; ROW2[5:7].
101 is 5 dB attenuation.
100 is 4 dB attenuation.
011 is 3 dB attenuation.
010 is 2 dB attenuation.
001 is 1 dB attenuation.
000 is 0 dB attenuation.
Controls Q channel baseband fine attenuator; ROW2[2:4].
101 is 5 dB attenuation.
100 is 4 dB attenuation.
011 is 3 dB attenuation.
010 is 2 dB attenuation.
001 is 1 dB attenuation.
000 is 0 dB attenuation.
Controls second bandband attenuator; ROW2[0:1].
11 is 18 dB attenuation.
10 is 12 dB attenuation.
01 is 6 dB attenuation.
00 is 0 dB attenuation.
Selects the low-pass corner of the baseband amplifiers; ROW3[6:7].
00 is ≈1.4 GHz.
01 is ≈500 MHz.
10 is ≈300 MHz.
11 is ≈200 MHz.
Selects the high-pass corner of the baseband amplifiers; ROW3[4:5].
00 is ≈45 kHz.
01 is ≈350 kHz.
10 is ≈1.6 MHz.
For diagnostic purposes; ROW3[3:0] = 0011 for normal operation.
Controls bias and IF filter alignment in the IF variable gain amplifier;
ROW4[7:1] = 1001111 for normal operation
Active high to enable the digital control of the IF VGA gain
Controls IF variable gain amplifier; ROW5[7:4].
0000 is the highest gain.
1111 is the lowest gain.
Controls IF filter alignment in the RF mixer;
ROW5[3:0] = 1111 for normal operation.
Rev. A | Page 14 of 24