PHASE-LOCKED CRYSTAL OSCILLATORS
PLD SERIES:
30 – 165 MHz (PLD)
165 – 1000 MHz (PLD-1C)
FEATURES
• Low phase noise design
• Fractional frequency division available
• Low subharmonics for multiplied models
(-70 dBc)
• +13 dBm standard output power
OPTIONS
• Higher output power
• TTL output
• Secondary RF output
PHASE NOISE (dBc/Hz)
-80
-100
-120
-140
1
10
100
1K
10K
100K
FREQUENCY OFFSET FROM CARRIER (Hz)
TYPICAL PHASE NOISE
(AT 100 MHz)
ELECTRICAL SPECIFICATIONS
Output frequency range
Fundamental (PLD)
Multiplied (PLD-1C)
Output power
Output power variation
Phase noise
Harmonic output
Spurious output
Input reference frequency
Input power level
Input impedance
Load VSWR
DC power requirements (Note 1)
Note 1: Add 120 mA @ +V for PLD-1C.
30 – 165 MHz
165 – 1000 MHz
+13 dBm minimum
±1 dB maximum
See graph
-20 dBc maximum
-80 dBc maximum
1 – 20 MHz
0 ±3 dBm
50 ohms
1.5:1 nominal
+15, +20, +24 or +28 volts @ 130 mA
+5 volts @ 200 mA
10
PHASE-LOCKED CRYSTAL OSCILLATORS
BLOCK DIAGRAM
REFERENCE
AMPLIFIER
INPUT
REFERENCE
1 – 20 MHz
REFERENCE
DIVIDER
/1, 2, 3...128
DIVIDER
CIRCUITS
DIGITAL
PHASE
DETECTOR
FRACTIONAL
DIVISION
UP TO 10 kHz
RESOLUTION
PRESCALER
÷
BY 10/11
ACTIVE LOWPASS
FILTER
COUPLED
OUTPUT
MULTIPLIER
CIRCUITS
RF
OUTPUT
*N
(N= 2, 3, 4...10)
OSCILLATOR
AFC INPUT
ORDERING INFORMATION
Output frequency 30 – 165 MHz
FUNDAMENTAL
RF OUTPUT (Fo)
VCXO: 30 – 165 MHz
RF OUTPUT
(N*Fo)
165 – 1000 MHz
PLD
-
Input freq.
(MHz)
-
Output freq.
(MHz)
-
Supply
voltage
P
Output frequency 165 – 1000 MHz
PLD-1C
-
Input freq.
(MHz)
-
Output freq.
(MHz)
-
Supply
voltage
P
MECHANICAL SPECIFICATIONS
Outline drawings ..........................
Weight
Fundamental............................
Multiplied .................................
RF connectors .............................
DC connectors.............................
See page 30
250 grams nominal
300 grams nominal
SMA female
Feedthru filter
ENVIRONMENTAL SPECIFICATIONS
Temperature
Operating ............................
Storage ...............................
Humidity ..................................
Shock (survival) ......................
Vibration (survival) ..................
0 to 60°C
-45 to +85°C
95% at 40°C noncondensing
30 g’s, 10 ms pulse
20 to 2000 Hz random to 4 g’s
11
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