HMC701LP6CE Datasheet, PDF (34/40 Pages) Hittite Microwave Corporation – 8 GHz 16-Bit Fractional-N Synthesizer

v09.1112
HMC701LP6CE
8 GHz 16-BIT FRACTIONAL-N PLL
Table 31. Reg 15h CW Sweep Ramp Step Register
The maximum sweep range is limited to 255 x Fxtal/R. Delta-Sigma Modulator mode should be Feed
Forward when using Sweep feature (Register 12h Bits [9:8] = 11.
Bit
Type
Name
Default
Description
23:0
R/W ramp_step
800h Ramp Step size
Table 32. Reg 16h CW Sweep Ramp Step Number Register
The maximum sweep range is limited to 255 x Fxtal/R. Delta-Sigma Modulator mode should be Feed
Forward when using Sweep feature (Register 12h Bits [9:8] = 11.
Bit
Type
Name
Default
Description
23:0
R/W ramp_steps_number
800h Ramp Number of steps in ramp
Table 33. Reg 17h CW Sweep Dwell Time Register
Bit
Type
Name
Default
Description
23:0
R/W ramp_dwell_time
800h
Ramp Number of cycles to hold at top/bottom
in repeat mode
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