HMC429LP4 / 429LP4E
v02.0805
MMIC VCO w/ BUFFER
AMPLIFIER, 4.45 - 5.0 GHz
Typical Applications
Features
Low noise MMIC VCO w/Buffer Amplifier for:
• 802.11a, HiperLAN WLAN
Pout: +4.0 dBm
Phase Noise: -105 dBc/Hz @100 KHz
No External Resonator Needed
Single Supply: 3V @ 30 mA
QFN Leadless SMT Package, 16 mm2
• VSAT, UNII & Microwave Radio
• Test Equipment & Industrial Controls
• Military
Functional Diagram
General Description
The HMC429LP4 & HMC429LP4E are GaAs InGaP
Heterojunction Bipolar Transistor (HBT) MMIC VCOs
with integrated resonators, negative resistance
devices, varactor diodes, and buffer amplifiers.
Covering 4.45 to 5.0 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 4.0 dBm typical from a
single supply of 3.0V @ 30mA. The voltage controlled
oscillator is packaged in a low cost leadless QFN 4x4
mm surface mount package.
11
Electrical Specifications, TA = +25° C, Vcc = +3V
Parameter
Frequency Range
Min.
1.0
0
Typ.
4.45 - 5.0
4.0
Max.
Units
GHz
dBm
dBc/Hz
V
Power Output
SSB Phase Noise @ 100 kHz Offset, Vtune= +5V @ RF Output
Tune Voltage (Vtune)
-105
10
10
Supply Current (Icc) (Vcc = +3.0V)
Tune Port Leakage Current
30
6
mA
μA
Output Return Loss
dB
Harmonics
2nd
3rd
-11
-23
dBc
dBc
Pulling (into a 2.0:1 VSWR)
Pushing @ Vtune= +5V
Frequency Drift Rate
10
14
MHz pp
MHz/V
MHz/°C
0.4
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
11 - 72