HMC390LP4
/
390LP4E
v02.0505
MMIC VCO w/ BUFFER
AMPLIFIER, 3.55 - 3.9 GHz
Features
Pout: +4.7 dBm
Phase Noise: -112 dBc/Hz @100 KHz
No External Resonator Needed
Single Supply: 3V @ 42 mA
QFN Leadless SMT Package, 16 mm
2
Typical Applications
Low noise MMIC VCO w/Buffer Amplifier for:
• Wireless Local Loop (WLL)
• VSAT & Microwave Radio
• Test Equipment & Industrial Controls
• Military
Functional Diagram
General Description
The HMC390LP4 & HMC390LP4E are GaAs InGaP
Heterojunction Bipolar Transistor (HBT) MMIC VCOs
with integrated resonators, negative resistance
devices, varactor diodes, and buffer amplifiers.
Covering 3.55 to 3.9 GHz, the VCO’s phase noise
performance is excellent over temperature, shock,
vibration and process due to the oscillator’s monolithic
structure. Power output is 4.7 dBm typical from a
single supply of 3V @ 42 mA. The voltage controlled
oscillator is packaged in a low cost leadless QFN 4 x 4
mm surface mount package.
11
VCO
S
& PLOs - 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 = +3.0V)
Tune Port Leakage Current
Output Return Loss
Harmonics
2nd
3rd
Pulling (into a 2.0:1 VSWR)
Pushing @ Vtune= +5V
Frequency Drift Rate
6
5
16
3.3
-5
0.4
0
42
10
1.5
Min.
Typ.
3.55 - 3.9
4.7
-112
10
Max.
Units
GHz
dBm
dBc/Hz
V
mA
μA
dB
dBc
dBc
MHz pp
MHz/V
MHz/°C
11 - 38
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
HMC390LP4
/
390LP4E
v02.0505
MMIC VCO w/ BUFFER
AMPLIFIER, 3.55 - 3.9 GHz
Frequency vs. Tuning Voltage, Vcc= +3V
4.2
OUTPUT FREQUENCY (GHz)
4.1
4
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
+25 C
+85 C
-40 C
Frequency vs. Tuning Voltage, T= 25°C
4.2
OUTPUT FREQUENCY (GHz)
4.1
4
3.9
3.8
3.7
3.6
3.5
3.4
3.3
3.2
0
1
2
3
4
5
6
7
8
9
10
TUNING VOLTAGE (VOLTS)
Vcc=2.75V
Vcc= 3.0V
Vcc=3.25V
0
1
2
3
4
5
6
7
8
9
10
TUNING VOLTAGE (VOLTS)
11
VCO
S
& PLOs - SMT
11 - 39
Sensitivity vs. Tuning Voltage, Vcc= +3V
220
200
SENSITIVITY (MHz/VOLT)
Output Power vs.
Tuning Voltage, Vcc= +3V
8
7
OUTPUT POWER (dBm)
180
160
140
120
100
80
60
40
20
0
0
1
2
3
4
5
6
7
8
9
10
TUNING VOLTAGE (VOLTS)
+25 C
+85 C
-40 C
6
5
4
3
2
1
0
0
1
2
3
4
5
6
7
8
9
10
TUNING VOLTAGE (VOLTS)
+25 C
+85 C
-40 C
Phase Noise vs. Tuning Voltage
-80
SSB PHASE NOISE (dBc/Hz)
-85
-90
-95
10 KHz Offset
100 KHz Offset
Typical SSB Phase Noise @ Vtune= +5V
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
3
10
SSB PHASE NOISE (dBc/Hz)
+25 C
+85 C
- 40 C
-100
-105
-110
-115
-120
0
1
2
3
4
5
6
7
8
9
10
10
4
10
5
10
6
10
7
TUNING VOLTAGE (VOLTS)
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
HMC390LP4
/
390LP4E
v02.0505
MMIC VCO w/ BUFFER
AMPLIFIER, 3.55 - 3.9 GHz
Typical Supply Current vs. Vcc
Vcc (V)
2.75
3.0
3.25
Icc (mA)
35
42
47
Absolute Maximum Ratings
Vcc
Vtune
Channel Temperature
Continuous Pdiss (T = 85°C)
(derate 6.28 mW/°C above 85°C)
Storage Temperature
Operating Temperature
+3.5 Vdc
0 to +11V
135 °C
565 W
-65 to +150 °C
-40 to +85 °C
Note: VCO will operate over full voltage range shown above.
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
11
VCO
S
& PLOs - SMT
Outline Drawing
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 SOLERED TO PCB RF GROUND.
7. REFER TO HITTITE APPLICATION NOTE FOR SUGGESTED
PCB LAND PATTERN
Package Information
Part Number
HMC390LP4
HMC390LP4E
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]
H390
XXXX
H390
XXXX
[2]
[1] Max peak reflow temperature of 235 °C
[2] Max peak reflow temperature of 260 °C
[3] 4-Digit lot number XXXX
11 - 40
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
HMC390LP4
/
390LP4E
v02.0505
MMIC VCO w/ BUFFER
AMPLIFIER, 3.55 - 3.9 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.
16
RFOUT
RF output (AC coupled)
20
Vcc
Supply Voltage Vcc= 3V
11
VCO
S
& PLOs - SMT
11 - 41
22
VTUNE
Control Voltage Input. Modulation port bandwidth
dependent on drive source impedance.
GND
Package bottom has an exposed metal paddle that
must be RF & DC grounded.
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
HMC390LP4
/
390LP4E
v02.0505
MMIC VCO w/ BUFFER
AMPLIFIER, 3.55 - 3.9 GHz
Evaluation PCB
11
VCO
S
& PLOs - SMT
List of Materials for Evaluation PCB 105706
[1]
Item
J1 - J2
J3 - J4
C1
C2
U1
PCB*
Description
PCB Mount SMA RF Connector
DC Pin
4.7 μF Tantalum Capacitor
10,000 pF Capacitor, 0603 Pkg.
HMC390LP4 / HMC390LP4E 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.
11 - 42
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
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