HMC1197LP7FE datasheet(47/57 Pages) AD

47 / 57 page

For price, delivery, and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824

Phone: 978-250-3343

Fax: 978-250-3373

Order On-line at www.hittite.com

Application Support: Phone: 978-250-3343 or apps@hittite.com

HMC1197LP7FE

v03.0314

Wideband direct Quadrature Modulator

w/ Fractional-n Pll & Vco, 100 - 4000 MHz

2.22

reg 16h Gain divider register default 6c1 h

BIT

TYPE

NAME

Width

Default

DESCRIPTION

[5:0]

R/W

RF Divide Ratio

0 - Mute, VCO and PLL buffer On, RF output stages Off

1 - Fo

2 - Fo/2

3 - invalid, defaults to 2

4 - Fo/2

5 - invalid, defaults to 4

6 - Fo/6

...

60 - Fo/60

61 - invalid, defaults to 60

62 - Fo/62

> 62 - invalid, defaults to 62

[7:6]

R/W

LO Output Buffer Gain

Control

3 - Max Gain

2 - Max Gain - 3 dB

1 - Max Gain - 6 dB

0 - Max Gain - 9 dB

[9:8]

R/W

LO2 Output Buffer gain

Control

3 - Max Gain

2 - Max Gain - 3 dB

1 - Max Gain - 6 dB

0 - Max Gain - 9 dB

[10]

R/W

Divider Output Stage Gain

Control

1 - Max Gain

0 - Max Gain - 3 dB

[23:11]

R/W

Reserved

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