HMC738LP4 / 738LP4E
v02.0309
MMIC VCO w/ HALF FREQUENCY OUTPUT
& DIVIDE-BY-16, 20.9 - 23.9 GHz
Typical Applications
The HMC738LP4(E) is ideal for:
• Point-to-Point Radios
Features
Pout: +9 dBm
Phase Noise: -95 dBc/Hz @ 100 kHz Typ.
No External Resonator Needed
24 Lead 4x4mm SMT Package: 16mm²
• Point-to-Multi-Point Radios / LMDS
• VSAT
Functional Diagram
General Description
The HMC738LP4(E) is a GaAs InGaP Heterojunction
Bipolar Transistor (HBT) MMIC VCO. The
HMC738LP4(E) integrates
a resonator, negative
resistance device, varactor diode and divide-by-16
prescaler. The VCO’s phase noise performance is
excellent over temperature, shock, and process due
to the oscillator’s monolithic structure. Power output is
+9 dBm typical from a 5V supply voltage. The voltage
controlled oscillator is packaged in a low cost leadless
QFN 4x4 mm surface mount package
8
Electrical Specifications, TA = +25° C, Vcc (RF), Vcc (DIG) = +5V
Parameter
Min.
Typ.
Max.
Units
GHz
Fo
Fo/2
Frequency Range
Power Output
20.9 - 23.9
RF OUT
RF OUT/2
RF OUT/16
3
-3.5
-7
15
+3.5
-1
dBm
dBm
SSB Phase Noise @ 100 kHz Offset, Vtune= +5V @ RF Output
Tune Voltage
-95
200
3
dBc/Hz
V
Vtune
1
13
220
10
Supply Current
Icc (RF), Icc (DIG)
160
mA
µA
Tune Port Leakage Current (Vtune= 13V)
Output Return Loss
dB
Harmonics/Subharmonics
1/2
3/2
-23
-40
dBc
dBc
Pulling (into a 2.0:1 VSWR)
Pushing @ Vtune= 5V
Frequency Drift Rate
22
-90
3.5
MHz pp
MHz/V
MHz/°C
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
For price, delivery, and to place orders: Analog Devices, Inc.,
resFpoonsribpilirtyiciseas,sdumeeldivbey ArynalaognDdevticoespfolraitcs euseo, nrodreforrsan:yHinfirtintigteemeMntsicofrpoawtenatsvoer oCtheor rporation, 20 Alpha Road, Chelmsford, MA 01824
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106
rights of third parties that may result from its use. Specifications subject to change without notice. No
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8 - 1
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