HMC494LP3 Datasheet, PDF (1/6 Pages) Hittite Microwave Corporation – SMT GaAs HBT MMIC DIVIDE-BY-8, DC - 18 GHz

v05.1211
Typical Applications
4
Prescaler for DC to 18 GHz PLL Applications:
• Point-to-Point / Multi-Point Radios
• VSAT Radios
• Fiber Optic
• Test Equipment
• Military
Functional Diagram
HMC494LP3 / 494LP3E
SMT GaAs HBT MMIC
DIVIDE-BY-8, DC - 18 GHz
Features
Ultra Low SSB Phase Noise: -150 dBc/Hz
Very Wide Bandwidth
Output Power: -4 dBm
Single DC Supply: +5V
16 Lead 3x3mm QFN Package: 9 mm²
General Description
The HMC494LP3 & HMC494LP3E are low noise
Divide-by-8 Static Dividers utilizing InGaP GaAs
HBT technology packaged in leadless 3x3 mm QFN
surface mount plastic packages. This device operates
from DC (with a square wave input) to 18 GHz input
frequency from a single +5V DC supply. The low
additive SSB phase noise of -150 dBc/Hz at 100 kHz
offset helps the user maintain excellent system noise
performance.
Electrical Specifications, T_A = +25° C, 50 Ohm System, Vcc= +5V
Parameter
Maximum Input Frequency
Minimum Input Frequency
Input Power Range
Output Power
Reverse Leakage
SSB Phase Noise (100 kHz offset)
Output Transition Time
Supply Current (Icc1 + Icc2)
Conditions
Sine Wave Input. [1]
Fin = 2 to 12 GHz
Fin = 12 to 16 GHz
Fin = 16 to 18 GHz
Fin = 0.5 to 18 GHz
Both RF Outputs Terminated
Pin = 0 dBm, Fin = 6 GHz
Pin = 0 dBm, Fout = 882 MHz
Min.
Typ.
18
19
0.2
-20
-15
-20
-15
-15
-10
-7
-4
55
-150
100
103
Max.
0.5
+10
+3
0
Units
GHz
GHz
dBm
dBm
dBm
dBm
dB
dBc/Hz
ps
mA
4-1
1. Divider will operate down to DC for square-wave input signal
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