HMC494LP3 / 494LP3E
v05.1211 Frequency Dividers & Detectors -SMT 4 SMT GaAs HBT MMIC
DIVIDE-BY-8, DC -18 GHz Typical Applications Features Prescaler for DC to 18 GHz PLL Applications: Ultra Low SSB Phase Noise: -150 dBc/Hz • Point-to-Point / Multi-Point Radios Very Wide Bandwidth • VSAT Radios Output Power: -4 dBm • Fiber Optic Single DC Supply: +5V • Test Equipment 16 Lead 3x3mm QFN Package: 9 mm² • Military Functional Diagram 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, TA = +25° C, 50 Ohm System, Vcc= +5V
Parameter Conditions Maximum Input Frequency
Minimum Input Frequency
Input Power Range Output Power
Reverse Leakage
SSB Phase Noise (100 kHz offset)
Output Transition Time Min. Typ. 18 19 Sine Wave Input. [1] Max. Units
GHz 0.2 0.5 GHz Fin = 2 to 12 GHz -20 -15 +10 dBm Fin = 12 to 16 GHz -20 -15 +3 dBm Fin = 16 to 18 GHz -15 -10 0 dBm Fin = 0.5 to 18 GHz -7 -4 dBm Both RF Outputs Terminated 55 dB Pin = 0 dBm, Fin = 6 GHz -150 dBc/Hz Pin = 0 dBm, Fout = 882 MHz 100 ps 103 mA Supply Current (Icc1 + Icc2) 1. Divider will operate down to DC for square-wave input signal 4-1 Information furnished by Analog Devices is believed to be accurate and reliable. However, no
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