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

30

HMC702LP6CE

v10.0812

14 GHz 16-BIT FRACTIONAL-N PLL

Table 14. Reg 08h Charge Pump Trim & Offset Register

Bit

Type

Name

Default

Description

3:0

r/W

cp_UPtrim_sel

0

trim Up gain, 14.3ua lsb, binary, 100ua max

Program 0

7:4

r/W

cp_Dntrim_sel

0

trim Dn gain, 14.3ua lsb, binary, 100ua max

Program 0

11:8

r/W

cp_UPoffset_sel

4h

Up offset leakage current, 28.7ua lsb, binary,

15:12

r/W

cp_Dnoffset_sel

0

Dn offset leakage current, 28.7ua , binary,

17:16

r/W

cp_amp_bias_sel

2h

charge Pump Dummy Branch op amp bias

selection, 100ua Program 10

Table 15. Reg 09h Charge Pump EN Register

Bit

Type

Name

Default

Description

0

r/W

cp_pull_updn_en

0

1

r/W

cp_pull_dn_upb

0

0 - Forces charge Pump Up when reg09[0]=1

1 - Forces charge Pump Dn when reg09[0]=1

Table 16. Reg 0Ah Reserved

Bit

Type

Name

Default

Description

23:0

r/W

reserved

304h

reserved

Table 17. Reg 0Bh Reserved

Bit

Type

Name

Default

Description

23:0

r/W

reserved

0

reserved

Table 18. Reg 0Ch Reserved

Bit

Type

Name

Default

Description

23:0

r/W

reserved

100h

reserved

Table 19. Reg 0Dh Reserved

Bit

Type

Name

Default

Description

23:0

r/W

reserved

20h

reserved

Table 20. Reg 0Eh Reserved

Bit

Type

Name

Default

Description

23:0

r/W

reserved

0

reserved

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