HMC508LP5
/
508LP5E
v04.0811
MMIC VCO w/ HALF FREQUENCY
OUTPUT 7.3 - 8.2 GHz
Features
Dual Output: Fo = 7.3 - 8.2 GHz
Fo/2 = 3.65 - 4.1 GHz
Pout: +15.0 dBm
Phase Noise: -116 dBc/Hz @100 kHz Typ.
No External Resonator Needed
32 Lead 5x5mm SMT Package: 25mm²
Typical Applications
Low noise MMIC VCO w/Half Frequency, for:
• VSAT Radio
• Point to Point/Multi-Point Radio
• Test Equipment & Industrial Controls
• Military End-Use
Functional Diagram
General Description
The HMC508LP5 & HMC508LP5E are GaAs InGaP
Heterojunction Bipolar Transistor (HBT) MMIC
VCOs. The HMC508LP5 & HMC508LP5E integrate
resonators, negative resistance devices, varactor
diodes and feature a half frequency output. The VCO’s
phase noise performance is excellent over temper-
ature, shock, and process due to the oscillator’s
monolithic structure. Power output is +15 dBm typical
from a +5V supply. The voltage controlled oscillator
is packaged in a leadless QFN 5x5 mm surface
mount package, and requires no external matching
components.
8
VCOS
with
F
o
/2 OUTPUT - SMT
Electrical Specifications,
T
A
= +25° C, Vcc = +5V
Parameter
Frequency Range
Power Output
SSB Phase Noise @ 100 kHz Offset, Vtune= +5V @ RFOUT
Tune Voltage
Supply Current (Icc) (Vcc = +5.0V)
Tune Port Leakage Current (Vtune= 13V)
Output Return Loss
Harmonics/Subharmonics
1/2
2nd
3rd
2
40
20
35
8
10
1.0
Vtune
2
200
240
Fo
Fo/2
RFOUT
RFOUT/2
+12
+4
-116
13
280
10
Min.
Typ.
7.3 - 8.2
3.65 - 4.1
+17
+10
Max.
Units
GHz
GHz
dBm
dBm
dBc/Hz
V
mA
µA
dB
dBc
dBc
dBc
MHz pp
MHz/V
MHz/°C
Pulling (into a 2.0:1 VSWR)
Pushing @ Vtune= 5V
Frequency Drift Rate
8-1
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
HMC508LP5 / 508LP5E
v04.0811
MMIC VCO w/ HALF FREQUENCY
OUTPUT 7.3 - 8.2 GHz
Frequency vs. Tuning Voltage, T= 25°C
9
OUTPUT FREQUENCY (GHz)
8.5
8
7.5
7
6.5
6
0
1
2
3
4
5
6
7
8
9
10
11 12
13
TUNING VOLTAGE (VOLTS)
Vcc=4.75V
Vcc=5.0V
Vcc=5.25V
Frequency vs. Tuning Voltage, Vcc= +5V
9
OUTPUT FREQUENCY (GHz)
8.5
8
7.5
7
6.5
6
0
1
2
3
4
5
6
7
8
9
10
11 12
13
TUNING VOLTAGE (VOLTS)
+25 C
+85 C
-40 C
Sensitivity vs. Tuning Voltage, Vcc= +5V
600
500
SENSITIVITY (MHz/V)
400
300
200
100
0
0
1
2
3
4
5
6
7
8
9
10
11 12
13
TUNING VOLTAGE (VOLTS)
+25 C
+85 C
-40 C
Output Power
vs. Tuning Voltage, Vcc= +5V
20
OUTPUT POWER (dBm)
16
8
VCOS
with
F
o
/2 OUTPUT - SMT
8-2
+25 C
+85 C
-40 C
12
8
4
0
0
1
2
3
4
5
6
7
8
9
10
11 12
13
TUNING VOLTAGE (VOLTS)
SSB Phase Noise vs. Tuning Voltage
-10
SSB PHASE NOISE (dBc/Hz)
-30
-50
-70
-90
10kHz offset
100kHz offset
SSB Phase Noise @ Vtune = +5V
0
SSB PHASE NOISE (dBc/Hz)
-20
-40
-60
-80
+25 C
+85 C
-40 C
-100
-120
-140
-160
2
10
-110
-130
1
2
3
4
5
6
7
8
9
10
11
12
13
TUNING VOLTAGE (VOLTS)
10
3
10
4
10
5
10
6
OFFSET FREQUENCY (Hz)
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
HMC508LP5 / 508LP5E
v04.0811
MMIC VCO w/ HALF FREQUENCY
OUTPUT 7.3 - 8.2 GHz
RFOUT/2 Frequency
vs. Tuning Voltage, Vcc= +5V
4.5
OUTPUT FREQUENCY (GHz)
4.25
4
3.75
3.5
3.25
3
0
1
2
3
4
5
6
7
8
9
10
11 12
13
TUNING VOLTAGE (VOLTS)
RFOUT/2 Output Power
vs. Tuning Voltage, Vcc= +5V
12
10
8
6
4
2
0
0
1
2
3
4
5
6
7
8
9
10
11 12
13
TUNING VOLTAGE (VOLTS)
+25 C
+85 C
-40 C
OUTPUT POWER (dBm)
+25 C
+85 C
-40 C
Absolute Maximum Ratings
Vcc
+5.5 Vdc
0 to +15V
135 °C
1.4 W
35 °C/W
-65 to +150 °C
-40 to +85 °C
Class 1A
Typical Supply Current vs. Vcc
Vcc (V)
4.75
5.0
5.25
Icc (mA)
220
240
260
8
VCOS
with
F
o
/2 OUTPUT - SMT
Vtune
Junction Temperature
Continuous Pdiss (T=85 °C)
(derate 28 mW/C above 85 °C
Thermal Resistance
(junction to ground paddle)
Storage Temperature
Operating Temperature
ESD Sensitivity (HBM)
Note: VCO will operate over full voltage range shown above.
ELECTROSTATIC SENSITIVE DEVICE
OBSERVE HANDLING PRECAUTIONS
8-3
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
HMC508LP5 / 508LP5E
v04.0811
MMIC VCO w/ HALF FREQUENCY
OUTPUT 7.3 - 8.2 GHz
Outline Drawing
8
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 NOTE FOR SUGGESTED
LAND PATTERN.
Package Information
Part Number
HMC508LP5
HMC508LP5E
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
MSL3
MSL3
[1]
Package Marking
[3]
H508
XXXX
H508
XXXX
[2]
[1] Max peak reflow temperature of 235 °C
[2] Max peak reflow temperature of 260 °C
[3] 4-Digit lot number XXXX
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
8-4
VCOS
with
F
o
/2 OUTPUT - SMT
NOTES:
HMC508LP5 / 508LP5E
v04.0811
MMIC VCO w/ HALF FREQUENCY
OUTPUT 7.3 - 8.2 GHz
Pin Descriptions
Pin Number
1 - 4, 6 - 10,
13 - 18, 20, 22 -
28, 30 - 32
Function
N/C
Description
No Connection. These pins may be connected to RF/
DC ground. Performance will not be affected.
Interface Schematic
12
RFOUT/2
Half frequency output (AC coupled).
19
RFOUT
RF output (AC coupled).
8
VCOS
with
F
o
/2 OUTPUT - SMT
21
Vcc
Supply Voltage, +5V
29
VTUNE
Control Voltage Input. Modulation port bandwidth
dependent on drive source impedance.
5, 11, Paddle
GND
Package bottom has an exposed metal paddle
that must be connected to RF/DC ground.
8-5
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
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