Automatic RF MESFET Amplifier
Drain-Current Controllers
Table 11a. Channel 1/Channel 2 Temperature LUT Control Modes
T_COMP1
0
0
1
1
T_COMP0
0
1
0
1
FUNCTION
A change in temperature does not trigger a V DAC(CODE) calculation. Any V DAC(CODE)
calculation triggered in another way does not include the temperature lookup. This bit setting
simplifies the V DAC(CODE) calculation to V DAC(CODE) = V SET(CODE) (1 + LUT K [K]).
A change in temperature does not trigger a V DAC(CODE) calculation. Any V DAC(CODE)
calculation triggered in another way does not include the temperature lookup. This bit setting
simplifies the V DAC(CODE) calculation to V DAC(CODE) = V SET(CODE) (1 - LUT K [K]).
A change in the channel 1/channel 2 external temperature sensor reading triggers a
V DAC(CODE) calculation for the corresponding DAC channel. When a V DAC(CODE) calculation
is triggered, the calculation includes the temperature lookup function.
A change in the internal temperature sensor reading triggers a V DAC(CODE) calculation for the
corresponding channel. When a V DAC(CODE) calculation is triggered, the calculation includes
the temperature lookup function.
Table 11b. Channel 1/Channel 2 KLUT Control Modes
KSRC_-2
KSRC_-1
KSRC_-0
FUNCTION
No KLUT operations performed. This bit setting simplifies the V DAC(CODE)
0
0
0
calculation to:
V DAC(CODE) = V SET(CODE) (1 + LUT TEMP [TEMP])
0
0
0
1
1
1
1
0
1
1
0
0
1
1
1
0
1
0
1
0
1
The V DAC(CODE) calculation simplifies to:
V DAC(CODE) = V SET(CODE) (1 + LUT K [VSET] x LUT TEMP [TEMP])
The V DAC(CODE) calculation simplifies to:
V DAC(CODE) = V SET(CODE) (1 - LUT K [USRK] x LUT TEMP [TEMP])
The V DAC(CODE) calculation simplifies to:
V DAC(CODE) = V SET(CODE) (1 + LUT K [sense voltage] x LUT TEMP [TEMP])
The V DAC(CODE) calculation simplifies to:
V DAC(CODE) = V SET(CODE) (1 + LUT K [ADCIN_] x LUT TEMP [TEMP])
The V DAC(CODE) calculation simplifies to:
V DAC(CODE) = V SET(CODE) + USRK x LUT K [VSET] x LUT TEMP [TEMP]
The V DAC(CODE) calculation simplifies to:
V DAC(CODE) = V SET(CODE) + USRK x LUT K [sense voltage] x LUT TEMP [TEMP]
The V DAC(CODE) calculation simplifies to:
V DAC(CODE) = V SET(CODE) + USRK x LUT K [ADCIN_] x LUT TEMP [TEMP]
______________________________________________________________________________________
39
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