HMC440QS16G_08 Datasheet, PDF (4/10 Pages) Hittite Microwave Corporation – 2.8 GHz INTEGER-N SYNTHESIZER

v03.0808
HMC440QS16G / 440QS16GE
2.8 GHz INTEGER-N SYNTHESIZER
(N = 2 - 32)
Pin Description
Pin Number
1
Function
FOUT
2
NFOUT
Description
(These pins are DC coupled and must be DC blocked externally).
Both outputs are test ports only and are intended for use with
hi-impedance scope probes.
3
ND
Down Output Compliment
4
D
Down Output
Interface Schematic
8
5
NU
6
U
Up Output Compliment
Up Output
(These pins are AC coupled and must be DC blocked externally.)
7
REF
Reference Input
8
NREF
9
Vcc
Reference Input Compliment
Supply voltage 5V ± 0.2V
10 - 14
A0 - A4
CMOS compatible control input bit 0 (LSB) - 4.
(These pins are AC coupled and must be DC blocked externally.)
15
VCO
VCO Input
16
NVCO
VCO Input Compliment
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20 Alpha Road, Chelmsford, MA 01824 Phone: [phone] Fax: [phone]
Order On-line at www.hittite.com
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