1. General description
The TFF1003HN is a K
u
band frequency generator intended for low phase noise Local
Oscillator (LO) circuits for K
u
band VSAT transmitters and transceivers. The specified
phase noise complies with IESS-308 from Intelsat.
2. Features and benefits
Phase noise compliant with IESS-308 (Intelsat) in combination with appropriate source
LO generator with VCO range from 12.8 GHz to 13.05 GHz
Input signal 50 MHz to 816 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
4. Quick reference data
TFF1003HN
Low phase noise LO generator for VSAT applications
Rev. 2 — 1 May 2012 Product data sheet
CAUTION
This device is sensitive to ElectroStatic Discharge (ESD). Therefore care should be taken
during transport and handling.
VSAT up converters Local oscillator signal generation
Table 1. Quick reference data
Operating conditions of Table 10
apply.
Symbol Parameter Conditions Min Typ Max Unit
V
CC
supply voltage 3.0 3.3 3.6 V
I
CC
supply current - 100 130 mA
f
o(RF)
RF output frequency 12.8 - 13.05 GHz
n(synth)
synthesizer phase noise divider value = 64; at 100 kHz offset; reference
phase noise is 149 dBc/Hz at 100 kHz offset
- 97 92 dBc/Hz
RL
out
output return loss measured at demo board and de-embedded to
footprint
- 10 - dB
sup(sp)ref
reference spurious suppression measured at divider value = 256 - - 70 dBc
