HMC698LP5 / 698LP5E
v03.0709
7 GHz INTEGER N SYNTHESIZER
(N = 12 - 259)
Typical Applications
Features
Ultra Low ssB Pꢀaꢁe Noiꢁe Floor:
-153 dBc/hꢃ @ 10 khꢃ offꢁet @ 100 Mhꢃ
Reference Frequencꢂ.
Tꢀe hMC698LP5(E) iꢁ ideal for:
• satellite Communication sꢂꢁtemꢁ
• Point-to-Point Radioꢁ
Programmable Divider (N= 12 - 259) Operating
up to 7 Ghꢃ
• Militarꢂ Applicationꢁ
• sonet Clock Generation
Open Collector Output Buffer Amplifierꢁ for
Interfacing w/ Op-Amp Baꢁed Loop Filter
Reverꢁible Polaritꢂ PFD w/ Lock Detect Output
32 Lead 5x5mm sMT Package: 25mm2
6
Functional Diagram
General Description
Tꢀe hMC698LP5(E) iꢁ a frequencꢂ ꢁꢂntꢀeꢁiꢃer witꢀ
a wideband reverꢁible polaritꢂ digital PFD and lock
detect output. Tꢀe divider operateꢁ unconditionallꢂ
from 80 - 7000 Mhꢃ witꢀ a continuouꢁ integer
diviꢁion ratio of 12 to 259. Tꢀe hMC698LP5(E) ꢀigꢀ
frequencꢂ operation along witꢀ ultra low pꢀaꢁe noiꢁe
floor make poꢁꢁible ꢁꢂntꢀeꢁiꢃerꢁ witꢀ wide loop
bandwidtꢀ and low N reꢁulting in faꢁt ꢁettling and
verꢂ low pꢀaꢁe noiꢁe. Wꢀen uꢁed in conjunction witꢀ
a differential loop filter, tꢀe hMC698LP5(E) can be
uꢁed to pꢀaꢁe lock a VCO to a reference oꢁcillator.
Electrical Specifications, TA = +25° C, Vcc = Vcc1 = Vcc2 = Vcc3 = Vcc_pd = 5V
Parameter
Conditionꢁ
Min.
Tꢂp.
Max.
Unitꢁ
Mhꢃ
Mhꢃ
dBm
Mhꢃ
Mhꢃ
dBm
Maximum Ref. Input Frequencꢂ
Minimum Ref. Input Frequencꢂ
Reference Input Power Range
Maximum VCO Input Frequencꢂ
Minimum VCO Input Frequencꢂ
VCO Input Power Range
sine or square Wave Input [1]
square Wave Input [2]
100 Mhꢃ Frequencꢂ
1300
10
+5
-5
7000
80
+5
100 Mhꢃ Input Frequencꢂ
Gain = Vpp / 2π Rad.
-10
PFD Output Voltage
PFD Gain
2000
0.32
mV, Pk - Pk
V/Rad.
@ 10 khꢃ Offꢁet @ 100 Mhꢃ square Wave Ref. Input
Pin= 0 dBm
ssB Pꢀaꢁe Noiꢁe
-153
310
dBc/hꢃ
mA
Total supplꢂ Current
[1] Maximum frequencieꢁ maꢂ be limited bꢂ available counter diviꢁion ratio.
[2] square wave input acꢀieveꢁ beꢁt pꢀaꢁe noiꢁe at lower ref. frequencꢂ (ꢁee ꢁine & ꢁquare wave compariꢁon plotꢁ)
For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, 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
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