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Hittite Microwave Corporation - GaAs HBT PROGRAMMABLE 5-BIT COUNTER

Numéro de référence HMC394LP4
Description GaAs HBT PROGRAMMABLE 5-BIT COUNTER
Fabricant Hittite Microwave Corporation 
Logo Hittite Microwave Corporation 





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HMC394LP4 fiche technique
v09.0114
Typical Applications
4 Programmable divider for offset synthesizer
and variable divide by N applications:
• Satellite Communication Systems
• Point-to-Point and Point-to-Multi-Point Radios
LMDS
• SONET
Functional Diagram
HMC394LP4 / 394LP4E
GaAs HBT PROGRAMMABLE
5-BIT COUNTER, DC - 2.2 GHz
Features
SSB Phase Noise: -153 dBc/Hz @ 100 kHz
Selectable Division from 2 to 32
Parallel 5-Bit Control
Wide Input Power Range: -20 to +10 dBm
24 Lead 4x4mm QFN Package: 9 mm²
General Description
The HMC394LP4 & HMC394LP4E are low noise
GaAs HBT programmable 5-bit counters in 4 x
4mm leadless surface mount packages. This device
allows continuous division from N= 2 to 32 at input
frequencies up to 2.2 GHz. The output voltage swing is
800 mV with a duty cycle inversely proportional to N.
The low additive SSB phase noise of -153 dBc/Hz at
100 KHz offset makes this counter an excellent choice
for low noise synthesizer applications.
Electrical Specifications, TA = +25° C, 50 Ohm System, Vcc= 5V
Parameter
Conditions
Maximum Input Frequency
Minimum Input Frequency
Sine Wave Input [1]
Input Power Range
Fin = 0.1 to 2.2 GHz
Output Power
Divide-by-2
SSB Phase Noise
Fin = 1 GHz, N = 4
Output Transition Time
Supply Current (Icc)
1. Divider will operate down to DC for square-wave input signal.
Min.
2.2
-15
Typ.
>-20
4
-153
100
194
Max.
0.1
+10
Units
GHz
GHz
dBm
dBm
dBc/Hz
ps
mA
4-1
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