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HMC791LC4B Datasheet(PDF) 1 Page - Hittite Microwave Corporation

Part No. HMC791LC4B
Description  28 GHz CLOCK DIVIDE-BY-2 / DIVIDE-BY-4
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Maker  HITTITE [Hittite Microwave Corporation]
Homepage  http://www.hittite.com
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HMC791LC4B Datasheet(HTML) 1 Page - Hittite Microwave Corporation

 
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For price, delivery and to place orders: Hittite Microwave Corporation, 20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
3
3 - 1
General Description
Features
Functional Diagram
Typical Applications
28 GHz CLOCK
DIVIDE-BY-2 / DIVIDE-BY-4
HMC791LC4B
v02.1209
The HMC791LC4B is a low-noise divide-by-2, divide-
by-4 designed to support input clock frequencies
as high as 28 GHz. When an input clock signal is
applied, divide-by-2 and divide-by-4 outputs are
observed simultaneously. All input signals to the
HMC791LC4B are terminated with 50Ω to ground
on-chip, and may be either AC or DC coupled. Out-
puts can be connected directly to a 50Ω terminated
system, while DC blocking capacitors must be used if
the terminating system is 50Ω to a non-zero voltage.
The HMC791LC4B operates from a single -3.3V DC
supply and is available in a ceramic RoHS compliant
SMT package.
Supports Clock Frequencies up to 28 GHz
Simultaneous Divide-by-2 and Divide-by-4 Outputs
Differential and Single-Ended Operation [1]
Fast Rise and Fall Times (12 / 14 ps)
Low Power Consumption: 660mW
Single Negative Power Supply (-3.3V)
Output Signal Swing: 600mV p-p Differential
Ultra Low SSB Phase Noise: -151 dBc/Hz
24 Lead 4x4mm SMT Package: 16mm2
Electrical Specifications, T
A = +25° C, Vee = Vee1 = Vee2 = Vee3 = -3.3V
The HMC791LC4B is ideal for:
• Frequency Division up to 28 GHz
• Short, Intermediate, Long Haul Fiber Optic
Applications
• 100 GbE Applications
• Serial Data Transmission Systems up to 28 GHz
• Broadband Test and Measurement Applications
Parameter
Conditions
Min.
Typ.
Max.
Units
Power Supply Voltage
±10% Tolerance
-3.0
-3.3
-3.6
V
Total Supply Current
200
mA
Input Frequency
0.1
28
GHz
Input Amplitude Range
(Single-Ended) [2]
1.0 - 6 GHz
-7
+6
dBm
6 - 12 GHz
-20
+6
dBm
12 - 16 GHz
-20
+3
dBm
16 - 28 GHz
-20
+5
dBm
Input Return Loss
<20 GHz
9
dB
Input High Voltage
GND Referenced
-0.5
0.5
V
Input Low Voltage
GND Referenced
-1
0
V
[1] See recommended single ended and differential configurations
[2] See recommended single ended configuration.


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