MULTIPLIED PHASE-LOCKED COAXIAL RESONATOR OSCILLATOR
LPLM SERIES: 8 – 15 GHz
FEATURES
• Superior phase noise
• Ideal for digital radio links
• 100% burn in, 3 year warranty
OPTIONS
• Internal crystal reference
(mechanically adjustable)
• 1 – 20 MHz input reference (dual-loop design)
L P L M
-4 0
-5 0
-6 0
-7 0
-8 0
S E R IE S
P H A S E
N O IS E
PHASE NOISE
-9 0
-1 0 0
-1 1 0
-1 2 0
-1 3 0
-1 4 0
-1 5 0
-1 6 0
1 0
1 0 0
1 0 0 0
1 0 0 0 0
1 0 0 0 0 0
1 0 0 0 0 0 0
1 0 0 0 0 0 0 0
F R E Q U E N C Y
O F F S E T
L P L M -0 7 0 -1 4 7 0 0
L P L M -5 -1 2 8 0 0
ELECTRICAL SPECIFICATIONS
Output frequency range
Output power
Output power variation
Output impedance
Output tuning range
Phase noise
Harmonic output
Spurious output
Input reference frequency
Input power level
Load VSWR
DC power requirements
8 – 15 GHz
+13 dBm minimum
±1.5 dB maximum
50 ohms nominal
2% Typical
See graphs
-50 dBc minimum
-70 dBc minimum (standard)
-65 dBc minimum (dual loop)
50 – 550 MHz (Reference Option A)
1 – 20 MHz (optional)
0 ±3 dBm
1.5:1 nominal
+15, +20 volts
@ 400 mA typical (standard)
@ 600 mA (optional)
WN-177694 8/21/2007
MULTIPLIED PHASE-LOCKED COAXIAL RESONATOR OSCILLATOR
GUARANTEED PHASE NOISE
BLOCK DIAGRAM
ANALOG
PHASE
DETECTOR
COUPLED
OUTPUT
INPUT
REFERENCE
50 – 550 MHZ
OSCILLATOR
COMB
GENERATOR
FREQUENCY MULTIPLIER
MEDIUM POWER BANDPASS
AMPLIFIER
FILTER
Offset
from Carrier
Phase Noise
at 15 GHz Carrier
(dBc/Hz)
-75
-95
-100
-100
-120
-140
REFERENCE
AMPLIFIER
100 Hz
1 kHz
10 kHz
100 kHz
1 MHz
10 MHz
AFC
INPUT
SRD
(*N)
x2
x3
x4
x5
x6
RF OUTPUT
(N*Fo)
ACTIVE LOWPASS
FILTER
Note: Applies to Ref. Option A,
100 MHz (typ). Reference
phase noise must be at
least -121 @ 100 Hz,
-141@ 1 kHz, -153 @
10 kHz for guaranteed
performance.
FUNDAMENTAL
RF OUTPUT (Fo)
CRO: 0.5 – 3.2 GHz
ORDERING INFORMATION
Standard (input reference 50 – 550 MHz), For internal reference option specify C.
LPLM -__ __ __ - __ __ __ __ __ - __ - __ - __ __ P
Reference freq.
(MHz)
Output freq.
(MHz)
Ref. Option
Alarm
Option
Supply
Voltage
Optional (dual loop, input reference 1 – 20 MHz) Temperature range 0 to 60 C
LPLM- __ __ __ - __ __ __ - __ __ __ __ __ - __ - __ - __ __
Input freq.
(MHz)
Reference freq.
(MHz)
Output freq.
(MHz)
Ref.
Option
Alarm
Option
Supply
Voltage
REFERENCE OPTIONS
A. External reference (50 – 550 MHz).
C. ±5 ppm (-20 to +70°C).
Note: For Option C specify output frequency to 6 decimal
places.
ALARM OPTIONS
0. 0 volts in-lock, +V out-of-lock.
1. Relay, open in-lock, closed out-of-lock,
(contact closure to ground).
2. Relay, closed in-lock, open out-of-lock,
(contact closure to ground).
3. T T L L o w in-lock, High out of lock
4. TTL High in-lock, Low out of lock
SUPPLY VOLTAGE OPTIONS
15. +15 VDC.
20. +20 VDC.
MECHANICAL SPECIFICATIONS
Outline drawings ................. 165653
Weight ................................ 350 grams maximum
RF connectors .................... SMA female
DC connectors .................... Feedthru filter
ENVIRONMENTAL SPECIFICATIONS
Temperature
Operating ........................ see reference option
Storage ........................... -45 to +85°C (standard)
Humidity .............................. 95% at 40°C noncondensing
Shock (survival) .................. 30 g’s, 10 ms pulse
Vibration (survival) .............. 20 to 2000 Hz random to 4 g’s
WN-177694 8/21/2007
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