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NXP Semiconductors - Low Phase Noise LO Generator

Numéro de référence TFF11084HN
Description Low Phase Noise LO Generator
Fabricant NXP Semiconductors 
Logo NXP Semiconductors 





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TFF11084HN fiche technique
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TFF11084HN
Low phase noise LO generator for VSAT applications
Rev. 1 — 12 July 2010
Objective data sheet
1. General description
The TFF11084HN is a Ku band frequency generator intended for low phase noise Local
Oscillator (LO) circuits for Ku band VSAT transmitters and transceivers. The specified
phase noise complies with IESS-308 from Intelsat.
CAUTION
This device is sensitive to ElectroStatic Discharge (ESD). Therefore care should be taken
during transport and handling.
2. Features and benefits
„ Phase noise compliant with IESS-308 (Intelsat) in combination with appropriate source
„ LO generator with VCO range from 8.20 GHz to 8.60 GHz
„ Input signal 32 MHz to 538 MHz
„ Divider settings 16, 32, 64, 128 or 256
„ Output level 5 dBm; stability ±2 dB
„ Third or fourth order PLL
„ Internally stabilized voltage references for loop filter
3. Applications
„ VSAT up converters
„ Local oscillator signal generation
4. Quick reference data
Table 1. Quick reference data
Operating conditions of Table 10 apply.
Symbol Parameter
VCC
ICC
fo(RF)
ϕn(synth)
supply voltage
supply current
RF output frequency
synthesizer phase noise
RLout
output return loss
αsup(sp)ref reference spurious suppression
Conditions
divider value = 64; at 100 kHz offset; reference
phase noise is 149 dBc/Hz at 100 kHz offset
measured at demo board and de-embedded to
footprint
measured at divider value = 256
Min Typ Max
3.0 3.3 3.6
- 100 130
8.20 - 8.60
- 97 92
Unit
V
mA
GHz
dBc/Hz
- 10 -
dB
- - 70 dBc

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