R2000 datasheet(61/75 Pages) ETC

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Indy® R2000 Electrical, Mechanical, & Thermal Specification

Addr.

Name

R/W

Bit

Description

Reset

Type

Comment

416

ANA_CTRL7

R/W

14:10

9:5

4:0

pa_mid_match

pa_bufbias

pa_drvbias

h410F

Analog control signals.

pa_mid_match sets the PA

driver load center

frequency, default setting

is h10.

pa_bufbias sets the PA

buffer bias, default setting

is hF.

pa_drvbias sets the PA

driver bias, default setting

is h8.

417

ANA_CTRL8

R/W

7:5

4:0

vco_band

pa_pabias

h01A7

Analog control signals.

vco_band setting:

0 = Maximum frequency

7 = Minimum frequency

pa_pabias sets the bias of

the PA output stage,

default setting in SSB

mode is hD and default

setting in PSK is h7.

418

ANA_CTRL9

R/W

8:0

vco_bias

h0000

Analog control signals.

vco_bias setting:

0x0 = Minimum current

0x100 = Maximum current

419

ANA_CTRL10

R/W

13:4

3:2

1:0

pll_r

pll_inv

pll_reset

h0184

Analog control signals.

pll_r is the divider ratio of

the R-divider in the PLL.

pll_inv setting:

0 = test mode

1 = normal mode

2 = inverted feedback loop

pll_reset decides the width

of the charge pump pulse.

Pll_reset setting:

00 = max width

11 = min width

41a

ANA_CTRL11

R/W

15:8

7:0

dac1_data

dac0_data

h0000

Analog control signals.

Input value to AUX DAC 1

and 0 respectively.

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