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HMC434 / 434E
v04.0410
SMT GaAs HBT MMIC
DIVIDE-BY-8, DC - 8 GHz
Typical Applications Features
4 Prescaler for DC to C Band PLL Applications:
• UNII, Pt. - Pt. & VSAT Radios
Ultra Low SSB Phase Noise: -150 dBc/Hz
Single-Ended I/O’s
• 802.11a & HiperLAN WLAN Output Power: -2 dBm
FREQUENCY DIVIDERS & DETECTORS - SMT
• Fiber Optic Single DC Supply: +3V @ 62 mA
• Cellular / 3G Infrastructure 9 mm2 Ultra Small Package: SOT26
Functional Diagram General Description
The HMC434(E) is a low noise Divide-by-8 Static
Divider utilizing InGaP GaAs HBT technology in
ultra small surface mount SOT26 plastic packages.
This device operates from DC (with a square wave
input) to 8 GHz input frequency with a single +3V
DC supply. Single-ended inputs and outputs reduce
component count and cost. The low additive SSB
phase noise of -150 dBc/Hz at 100 kHz offset helps
the user maintain good system noise performance.
Electrical Specifi cations, TA = +25° C, 50 Ohm System, Vcc= +3V
Parameter Conditions Min. Typ. Max. Units
Maximum Input Frequency 8 8.5 GHz
Minimum Input Frequency Sine Wave Input. [1] 0.2 GHz
Fin= 1 to 3 GHz -10 +12 dBm
Input Power Range Fin= 3 to 7 GHz -3 +12 dBm
Fin= 7 to 8 Ghz 0 +10 dBm
Output Power Fin= 1 to 8 GHz -5.0 -2.0 dBm
Reverse Leakage RF Output Terminated, Fin= 4 GHz, Pin= 0 dBm -20 dBm
SSB Phase Noise (100 kHz offset) Pin= 0 dBm, Fin= 4 GHz -150 dBc/Hz
Output Transition Time Pin= 0 dBm, Fout= 882 MHz 140 ps
Supply Current (Icc) Vcc= +3.0V 62 83 mA
1. Divider will operate down to DC for square-wave input signal.
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
4 - 78
Application Support: Phone: 978-250-3343 or apps@hittite.com
HMC434 / 434E
v04.0410
SMT GaAs HBT MMIC
DIVIDE-BY-8, DC - 8 GHz
Input Sensitivity Window, T= 25 °C Input Sensitivity Window vs. Temperature
20
15
20
15 4
10 10
INPUT POWER (dBm)
INPUT POWER (dBm)
Min Pin +25 C
Max Pin +25 C
Recommended
FREQUENCY DIVIDERS & DETECTORS - SMT
5 5 Min Pin -40 C
Max Pin -40 C
Operating Window Min Pin +85 C
0 0 Max Pin +85 C
-5 -5
-10 -10
-15 -15
-20 -20
0 1 2 3 4 5 6 7 8 9 10 0 1 2 3 4 5 6 7 8 9 10
INPUT FREQUENCY (GHz) INPUT FREQUENCY (GHz)
SSB Phase Noise
Output Power vs. Temperature Performance, Pin= 0 dBm, T= 25 °C
0 0
-20
SSB PHASE NOISE (dBc/Hz)
-1
OUTPUT POWER (dBm)
-40
-2 -60
-80
+25 C
-3 -40 C -100
+75 C
-120
-4
-140
-5 -160
2 3 4 5 6 7
0 1 2 3 4 5 6 7 8 9 10 10 10 10 10 10 10
INPUT FREQUENCY (GHz) OFFSET FREQUENCY (Hz)
Output Harmonic
Content, Pin= 0 dBm, T= 25 °C Reverse Leakage, Pin= 0 dBm, T= 25 °C
0 0
-10
-10
OUTPUT LEVEL (dBm)
POWER LEVEL (dBm)
-20
-20
-30
-30
-40
-40 Pfeedthru
2nd Harmonic -50
3rd Harmonic
-50 -60
0 1 2 3 4 5 6 7 8 9 10 0 2 4 6 8 10
INPUT FREQUENCY (GHz) INPUT FREQUENCY (GHz)
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 4 - 79
Application Support: Phone: 978-250-3343 or apps@hittite.com
HMC434 / 434E
v04.0410
SMT GaAs HBT MMIC
DIVIDE-BY-8, DC - 8 GHz
Output Voltage Waveform,
Pin= 0 dBm, Fout= 882 MHz, T= 25 °C
4 300
200
AMPLITUDE (mV)
100
FREQUENCY DIVIDERS & DETECTORS - SMT
-100
-200
-300
22.7 23.1 23.5 23.9 24.3 24.7
TIME (nS)
Absolute Maximum Ratings Reliability Information
RF Input Power (Vcc = +3V) 15 dBm Junction Temperature to Maintain
135 °C
1 Million Hour MTTF
Nominal +3V Supply to GND -0.3V to +3.5V
Nominal Junction Temperature
Max Peak Flow Temperature 260 °C 99 °C
(T = 85 °C)
Storage Temperature -65 to +125 °C
Thermal Resistance
70 °C/W
(Junction to GND Paddle, 3V Supply)
Operating Temperature -40 to +85 °C
Typical Supply Current vs. Vcc
DC blocking capacitors are required at RF input and RF output ports. Vcc (V) Icc (mA)
Choose value for lowest frequency of operation.
2.70 50
3.0 62
ELECTROSTATIC SENSITIVE DEVICE 3.30 74
OBSERVE HANDLING PRECAUTIONS Note: Divider will operate over full voltage range shown above
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
4 - 80
Application Support: Phone: 978-250-3343 or apps@hittite.com
HMC434 / 434E
v04.0410
SMT GaAs HBT MMIC
DIVIDE-BY-8, DC - 8 GHz
Outline Drawing
FREQUENCY DIVIDERS & DETECTORS - SMT
NOTES:
1. LEADFRAME MATERIAL: COPPER ALLOY
2. DIMENSIONS ARE IN INCHES [MILLIMETERS]
3. LEAD SPACING TOLERANCE IS NON-CUMULATIVE.
4. PAD BURR LENGTH SHALL BE 0.15mm MAXIMUM.
PAD BURR HEIGHT SHALL BE 0.05mm MAXIMUM.
5. PACKAGE WARP SHALL NOT EXCEED 0.05mm.
6. ALL GROUND LEADS AND GROUND PADDLE MUST BE
SOLDERED TO PCB RF GROUND.
7. REFER TO HITTITE APPLICATION NOT FOR SUGGESTED
LAND PATTERN.
Package Information
Part Number Package Body Material Lead Finish MSL Rating Package Marking [3]
[1] H434
HMC434 Low Stress Injection Molded Plastic Sn/Pb Solder MSL1
XXXX
[2] 434E
HMC434E RoHS-compliant Low Stress Injection Molded Plastic 100% matte Sn MSL1
XXXX
[1] Max peak reflow temperature of 235 °C
[2] Max peak reflow temperature of 260 °C
[3] 4-Digit lot number XXXX
Pin Description
Pin Number Function Description Interface Schematic
The pins are not connected internally; however, all
1, 4 N/C data shown herein was measured with these pins
connected to RF/DC ground externally.
2 GND Pin must connect ro RF/DC ground.
3 IN RF input must be DC blocked.
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 4 - 81
Application Support: Phone: 978-250-3343 or apps@hittite.com
HMC434 / 434E
v04.0410
SMT GaAs HBT MMIC
DIVIDE-BY-8, DC - 8 GHz
Pin Description (Continued)
4 Pin Number Function Description Interface Schematic
5 Vcc Supply voltage 3V ± 0.3V.
FREQUENCY DIVIDERS & DETECTORS - SMT
6 OUT Divided output must be DC blocked.
Application Circuit
Note: Line lengths on pins 1 & 4
(N/C) are not necessary.
Note:
DC blocking capacitor values (C1, C2) and DC decoupling capacitor
values (C3, C4) are chosen for lowest frequency of operation.
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
4 - 82
Application Support: Phone: 978-250-3343 or apps@hittite.com
HMC434 / 434E
v04.0410
SMT GaAs HBT MMIC
DIVIDE-BY-8, DC - 8 GHz
Evaluation PCB
FREQUENCY DIVIDERS & DETECTORS - SMT
List of Materials for Evaluation PCB 105675 [1]
Item Description The circuit board used in the application should use
J1 - J2 PCB Mount SMA RF Connector RF circuit design techniques. Signal lines should
J3 - J4 DC Pin have 50 Ohm impedance while the package ground
C1 - C2 100 pF Capacitor, 0402 Pkg. leads should be connected directly to the ground
C3 1000 pF Capacitor, 0402 Pkg. plane similar to that shown. A sufficient number of
C4 10 μF Tantalum Capacitor, 1206 Pkg.
via holes should be used to connect the top and
U1 HMC434 / HMC434E Divide-by-8
bottom ground planes. The evaluation circuit board
PCB [2] 105199 Eval Board
shown is available from Hittite upon request.
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Rogers 4350
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 4 - 83
Application Support: Phone: 978-250-3343 or apps@hittite.com
