HMC532LP4
/
532LP4E
v01.0508
MMIC VCO w/ BUFFER
AMPLIFIER, 7.1 - 7.9 GHz
Features
Pout: +14 dBm
Phase Noise: -103 dBc/Hz @100 KHz
No External Resonator Needed
Single Supply: +3V @ 85 mA
24 Lead 4x4mm QFN Package: 9 mm
2
Typical Applications
Low noise MMIC VCO w/Buffer Amplifier for:
• VSAT Radio
• Point to Point/Multipoint Radio
• Test Equipment & Industrial Controls
• Military End-Use
Functional Diagram
General Description
The HMC532LP4 & HMC532LP4E are GaAs InGaP
Heterojunction Bipolar Transistor (HBT) MMIC VCOs
with integrated resonators, negative resistance
devices, varactor diodes, and buffer amplifiers.
Covering 7.1 to 7.9 GHz, the VCO’s phase noise
performance is excellent over temperature, shock
and vibration due to the oscillator’s monolithic struc-
ture. Power output is +14 dBm typical from a single
supply of +3V @ 85 mA. The voltage controlled
oscillator is packaged in a leadless QFN 4 x 4 mm
surface mount package.
12
VCOS - SMT
Electrical Specifi cations,
T
A
= +25° C, Vcc = +3V
Parameter
Frequency Range
Power Output
SSB Phase Noise @ 100 kHz Offset, Vtune= +5V @ RF Output
Tune Voltage (Vtune)
Supply Current (Icc) (Vcc = +3V)
Tune Port Leakage Current
Output Return Loss
Harmonics
2nd
3rd
Pulling (into a 2.0:1 VSWR)
Pushing @ Vtune= +5V
Frequency Drift Rate
15
-14
-25
28
78
0.85
1
60
85
12
Min.
Typ.
7.1 - 7.9
14
-101
13
100
10
17
Max.
Units
GHz
dBm
dBc/Hz
V
mA
μA
dB
dBc
dBc
MHz pp
MHz/V
MHz/°C
12 - 146
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
HMC532LP4
/
532LP4E
v01.0508
MMIC VCO w/ BUFFER
AMPLIFIER, 7.1 - 7.9 GHz
Frequency vs. Tuning Voltage, Vcc= +3V
8.5
8
FREQUENCY (GHz)
7.5
7
6.5
6
5.5
+25C
+85C
-40C
Frequency vs. Tuning Voltage, T= 25°C
8.5
8
FREQUENCY (GHz)
7.5
7
6.5
6
5.5
0
1
2
3
4
5
6
7
8
9
10
11 12
13
TUNING VOLTAGE (VOLTS)
2.85V
3.00V
3.15V
0
1
2
3
4
5
6
7
8
9
10
11 12
13
TUNING VOLTAGE (VOLTS)
Sensitivity vs. Tuning Voltage, Vcc= +3V
600
500
400
300
200
100
0
0
+25C
+85C
-40C
Output Power vs.
Tuning Voltage, Vcc= +3V
20
18
16
14
12
10
8
6
+25C
+85C
-40C
12
VCOS - SMT
12 - 147
SENSITIVITY (MHz/VOLT)
1
2
3
4
5
6
7
8
9
10
11 12
13
OUTPUT POWER (dBm)
0
1
2
3
4
5
6
7
8
9
10
11 12
13
TUNING VOLTAGE (VOLTS)
TUNING VOLTAGE (VOLTS)
Phase Noise vs. Tuning Voltage
0
SSB PHASE NOISE (dBc/Hz)
-20
-40
-60
-80
10kHz offset
100kHz offset
Typical SSB Phase Noise @ Vtune= +5V
0
SSB PHASE NOISE (dBc/Hz)
-20
-40
-60
-80
+25C
+85C
-40C
-100
-120
-140
-160
3
10
-100
-120
0
1
2
3
4
5
6
7
8
9
10
11 12
13
TUNING VOLTAGE (VOLTS)
10
4
10
5
10
6
10
7
OFFSET FREQUENCY (Hz)
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
HMC532LP4
/
532LP4E
v01.0508
MMIC VCO w/ BUFFER
AMPLIFIER, 7.1 - 7.9 GHz
Typical Supply Current vs. Vcc
Vcc (V)
2.75
3.0
3.25
Icc (mA)
74
85
96
Absolute Maximum Ratings
Vcc
Vtune
Channel Temperature
Continuous Pdiss (T = 85°C)
(derate 6.07 mW/°C above 85°C)
Thermal Resistance
(junction to ground paddle)
Storage Temperature
Operating Temperature
ESD Sensitivity (HBM)
+3.5 Vdc
0 to +15V
135 °C
303 mW
165 °C/W
-65 to +150 °C
-40 to +85 °C
Class 1A
Note: VCO will operate over full voltage range shown above.
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
Outline Drawing
12
VCOS - 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
HMC532LP4
HMC532LP4E
Package Body Material
Low Stress Injection Molded Plastic
RoHS-compliant Low Stress Injection Molded Plastic
Lead Finish
Sn/Pb Solder
100% matte Sn
MSL Rating
MSL1
MSL1
[1]
Package Marking
[3]
H532
XXXX
H532
XXXX
[2]
[1] Max peak reflow temperature of 235 °C
[2] Max peak reflow temperature of 260 °C
[3] 4-Digit lot number XXXX
12 - 148
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
HMC532LP4
/
532LP4E
v01.0508
MMIC VCO w/ BUFFER
AMPLIFIER, 7.1 - 7.9 GHz
Pin Descriptions
Pin Number
1- 14, 17 - 19,
21, 23, 24
Function
N/C
Description
No Connection
Interface Schematic
15
GND
This pin must be connected to RF & DC ground. Package bottom
has an exposed metal paddle that must be RF & DC grounded.
RF output (AC coupled)
16
RFOUT
20
Vcc
Supply Voltage Vcc= 3V
22
VTUNE
Control Voltage Input. Modulation port bandwidth
dependent on drive source impedance. See “Determining the FM
Bandwidth of a Wideband Varactor Tuned VCO” application note.
12
VCOS - SMT
Evaluation PCB
List of Materials for Evaluation PCB 105706
[1]
Item
J1 - J2
J3 - J4
C1
C2
U1
PCB
[2]
Description
PCB Mount SMA RF Connector
DC Pin
4.7 μF Tantalum Capacitor
10,000 pF Capacitor, 0603 Pkg.
HMC532LP4 / HMC532LP4E VCO
105667 Eval Board
[1] Reference this number when ordering complete evaluation PCB
[2] Circuit Board Material: Rogers 4350
The circuit board used in the final application should
use RF circuit design techniques. Signal lines
should have 50 ohm impedance while the package
ground leads and exposed paddle should be con-
nected directly to the ground plane similar to that
shown. A sufficient number of via holes should be
used to connect the top and bottom ground planes.
The evaluation circuit board shown is available from
Hittite upon request.
For price, delivery, and to place orders, please contact Hittite Microwave Corporation:
20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373
Order On-line at www.hittite.com
12 - 149
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