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MULTIPLIED PHASE-LOCKED COAXIAL RESONATOR OSCILLATOR
LPLM SERIES: 3.2 – 8 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
S E R IE S
P H A S E
N O IS E
-4 0
-5 0
-6 0
-7 0
PHASE NOISE
-8 0
-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
F R E Q U E N C Y
1 0 0 0 0 0
O F F S E T
L P L M -1 0 0 -3 8 0 0
ELECTRICAL SPECIFICATIONS
Output frequency range
3.2 – 15 GHz
Output power
+13 dBm minimum
Output power variation
±1.5 dB maximum
Output impedance
50 ohms nominal
Output tuning range
2% of bandwidth nominal (Note 1)
Phase noise
See graphs
Harmonic output
-50 dBc minimum
Spurious output
-70 dBc minimum (standard)
-65 dBc minimum (dual loop)
Input reference frequency
50 – 550 MHz (Reference Option A)
1 – 20 MHz (optional)
Input power level
0 ±3 dBm
Load VSWR
1.5:1 nominal
DC power requirements
+12, +15, +20 volts
@ 450 mA typical (standard)
@ 600 mA (optional)
Note 1: Up to 5% available on custom models.
XX
1 0 0 0 0 0 0
1 0 0 0 0 0 0 0
MULTIPLIED PHASE-LOCKED COAXIAL RESONATOR OSCILLATOR
GUARANTEED PHASE NOISE
BLOCK DIAGRAM
Offset
Phase Noise
Phase Noise
Phase Noise
from Carrier at 4 GHz Carrier at 8 GHz Carrier at 15 GHz Carrier
(dBc/Hz)
(dBc/Hz)
(dBc/Hz)
100 Hz
1 kHz
10 kHz
100 kHz
1 MHz
10 MHz
-85
-105
-113
-113
-133
-145
-80
ANALOG
PHASE
DETECTOR
REFERENCE
AMPLIFIER
COUPLED
OUTPUT
-75
-100
-107
-107
-127
-145
INPUT
REFERENCE
50 – 550 MHZ
-95
-100
-100
-120
-140
OSCILLATOR
COMB
GENERATOR
FREQUENCY MULTIPLIER
MEDIUM POWER BANDPASS
AMPLIFIER
FILTER
SRD
(*N)
AFC
INPUT
ACTIVE LOWPASS
FILTER
x2
x3
x4
x5
x6
FUNDAMENTAL
RF OUTPUT (Fo)
CRO: 0.5 – 3.2 GHz
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.
ORDERING INFORMATION
Standard (input reference 50 – 550 MHz), For internal reference option specify B or 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- __ __ - __ __ __ - __ __ __ __ - __ - __ - __ __ P
Input freq.
(MHz)
Reference freq.
(MHz)
Ref.
Option
Output freq.
(MHz)
Alarm
Option
Supply
Voltage
REFERENCE OPTIONS
ALARM OPTIONS
A. External reference (50 – 550 MHz).
C. ±5 ppm (-20 to +70°C).
Note: For Options B and C specify output frequency to 6
decimal places.
0. 0 volts in-lock, +V out-of-lock.
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
ENVIRONMENTAL SPECIFICATIONS
Outline drawings ................. 165652
Weight ................................ 350 grams maximum
RF connectors .................... SMA female
DC connectors .................... Feedthru filter
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
XX
RF OUTPUT
(N*Fo)
OUTLINE DRAWINGS
LPLM SERIES
165652
OUTLINE DRAWINGS
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