HMC-C073
v00.0609
WIDEBAND VCO w/ BUFFER AMPLIFIER
MODULE, 38.4 - 43.2 GHz
Features
Wideband Tuning Frequency: 38.4 - 43.2 GHz
High Output Power: +13 dBm
High Output Voltage: 3.5V pp
Low Phase Noise: -98 dBc/Hz @ 100 kHz Offset
Typical Applications
The HMC-C073 VCO Module is ideal for:
• OC-768 Fiber Optic Systems
• Test and Measurement Equipment
• Lab Instrumentation
• Industrial/Medical Equipment
• Millimeterwave Subsystems
Low Jitter: 37 fs
Single Positive Supply: +5V @ 350 mA
Operating Temperature: -55°C to + 85°C
Ultra-Small Hermetic Module
Field Replaceable 2.4mm Connector
Functional Diagram
General Description
The HMC-C073 is a high performance VCO that
operates over a 38.4 to 43.2 GHz band. An internal
output buffer provides +13 dBm of output power and
provides excellent pushing performance. Phase noise
performance is excellent at -98 dBc/Hz at 100 kHz
offset and the unit provides exceptional jitter of 37 fs
(calculated). The Vtune port accepts an analog tuning
voltage from +2 to +13V. Each VCO is housed in a very
small hermetic module measuring 0.7” x 0.99” x 0.23”.
The module is supplied with a 2.4mm connector,
which can be replaced by a GPO connector.
10
VCOs
Electrical Specifi cations,
T
A
= +25° C, Vdc = +5V
Parameter
Frequency Range
Power Output
SSB Phase Noise @ 10 kHz Offset
SSB Phase Noise @ 100 kHz Offset
Jitter (50 kHz to 80 MHz) (Calculated)
Tune Voltage
Sub Harmonic (fo/4)
Sub Harmonic (fo/2)
Frequency Pushing
Frequency Pulling (into 2:0:1 Load)
Output Return Loss
Voltage Supply (Vdc)
Supply Current
4.5
2
-40
-30
40
5
17
5
350
5.5
400
10
Min.
Typ.
38.4 - 43.2
13
-74
-98
37
13
Max.
Units
GHz
dBm
dBc/Hz
dBc/Hz
fs
V
dBc
dBc
MHz/V
kHz pp
dB
V
mA
10 - 16
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 Online at www.hittite.com
HMC-C073
v00.0609
WIDEBAND VCO w/ BUFFER AMPLIFIER
MODULE, 38.4 - 43.2 GHz
Frequency vs. Tuning Voltage, Vdc = +5V
50
OUTPUT FREQUENCY (GHz)
Frequency vs. Tuning Voltage, T = +25°C
50
OUTPUT FREQUENCY (GHz)
45
45
+ 4.5 V
+ 5.0 V
+ 5.5 V
40
40
35
+25 C
+85 C
-55 C
35
30
0
2
4
6
8
10
12
14
TUNING VOLTAGE (V)
30
0
2
4
6
8
10
12
14
TUNING VOLTAGE (V)
Sensitivity vs. Tuning Voltage, Vcc = +5V
3000
2500
SENSITIVITY (MHz/V)
2000
1500
1000
500
0
0
2
4
6
8
10
12
14
TUNING VOLTAGE (V)
+25 C
+85 C
-55 C
Output Power vs. Frequency, Vcc = +5V
20
OUTPUT POWER (dBm)
15
10
10
32
34
36
38
40
42
44
46
FREQUENCY (GHZ)
5
0
Output Return Loss vs. Frequency, Vcc = +5V
0
-5
RETURN LOSS (dB)
-10
-15
-20
-25
-30
30
35
40
FREQUENCY (GHz)
45
50
Sub-Harmonics vs. Frequency, Vcc = +5V
40
35
SUB-HARMONICS (dBc)
+25 C
+85 C
-55 C
30
25
20
15
10
5
0
35
36
37
38
39
40
41
42
43
44
45
FREQUENCY (GHz)
f/4
f/2
3f/4
7f/8
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 Online at www.hittite.com
10 - 1
VCOs
+25 C
+85 C
-55 C
HMC-C073
v00.0609
WIDEBAND VCO w/ BUFFER AMPLIFIER
MODULE, 38.4 - 43.2 GHz
Absolute Maximum Ratings
Vdc
Vtune
Storage Temperature
Operating Temperature
Max Junction Temperature
Thermal Resistance
+5.5V
+15V
-65 to +150 °C
-55 to +85 °C
150 °C
29 °C/W
Pin Descriptions
Pin Number
1
Function
RFOUT
Description
RF output (AC coupled) uses a
female 2.4mm connector.
Interface Schematic
10
VCOs
2
GND
Must be connected to power supply ground.
3
Vdc
Supply Voltage Vdc = +4.5V to 5.5V
4
VTUNE
2 to +13V
10 - 18
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 Online at www.hittite.com
HMC-C073
v00.0609
WIDEBAND VCO w/ BUFFER AMPLIFIER
MODULE, 38.4 - 43.2 GHz
Outline Drawing
10
Package Information
Package Type
NOTES:
1. PACKAGE, LEADS COVER MATERIAL: KOVAR
2. FINISH: GOLD PLATE OVER NICKEL PLATE.
3. MOUNTING SPACER: NICKEL PLATED ALUMINUM.
4. ALL DIMENSIONS ARE IN INCHES [MILLIMETERS].
5. TOLERANCES:
5.1 .XX = ±.02.
5.1 .XXX = ±.010
6. MARK LOT NUMBER ON 0.080 X 0.250 LABEL
WHERE SHOWN, WITH 0.030 MIN. TEXT HEIGHT.
7. USE MOUNTING SPACER PART NUMBER 123399.
C-19
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 Online at www.hittite.com
10 - 1
VCOs
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