HMC702LP6CE datasheet(2/46 Pages) HITTITE

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Table 1. Electrical Specifications

Parameter

conditions / notes

Min

typ

Max

Units

Prescaler Characteristics

Max rf input frequency (3.3V)

Ghz

Max rf input frequency (2.7 - 3.3V)

Ghz

Min rf input frequency

0.1

Mhz

rf input Power

fmin<fvco<10 Ghz

fvco>10 Ghz

-10

-6

dBm

16-bit n-Divider range (integer)

16-Bit divider and fixed divide-by-2

step of 2

131,070

16-bit n-Divider range (fractional)

fraction nominal Divide ratio varies

(-6 / +8) dynamically max

131,062

REF Input Characteristics

Max ref input frequency (pin XrefP)

200

220

Mhz

Max ref input frequency (pin Xsin)

200

220

Mhz

Max ref frequency with autocal

Mhz

Min ref input frequency

100

khz

ref input Voltage range (pin XrefP)

ac coupled

1.5

2.0

3.3

mVpp

ref input Power range (pin Xsin)

50 Ω source

-6

dBm

ref input capacitance

HMC702LP6CE

v05.0110

14 GHz 16-BIT FRACTIONAL-N SYNTHESIZER

General Description

the hMc702LP6ce is a siGe BicMos fractional-n frequency synthesizer. the synthesizer includes a 8Ghz 16-bit

rf n-Divider, a 24-bit delta-sigma modulator, a very low noise digital phase frequency detector (PfD), and a precision

controlled charge pump. in addition the synthesizer supports an external step tuned Vco.

the fractional synthesizer features an advanced delta-sigma modulator design that allows ultra-fine frequency step

sizes. the synthesizer features the ability to alter both the phase-frequency detector (PfD) gain and the cycle slipping

characteristics of the PfD. this feature can reduce the time to arrive at the new frequency by 50% vs. conventional

PfDs. Ultra low in-close phase noise also allows wider loop bandwidths for faster frequency hopping.

the synthesizer contains a built-in linear sweeper function, which allows it to perform frequency chirps with a wide

variety of sweep times, polarities and dwells, all with an external or automatic sweep trigger.

a General Purpose output (GPo) bus supports the use of multiple Vcos. in addition the synthesizer has a number of

auxiliary clock generation modes that can be accessed via the GPo.

Electrical Specifications, TA = +25°C

Vcchf = VccPrs = rVDD = +3.3V

VPPcP = Vccoa = VDDPDr = VPPDrV = VDDPD = VDDPDV = +5V

DVDD = DVDDio = DVDDQ = +3.3V

GnDDrV = GnDcP = GnDPD = GnDPDV = GnDPDr = 0V

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