PHASE LOCKED OSCILLATOR
MODEL
MDR6100-15000
(15 GHz)
Features
!
!
!
!
Low Phase Noise: -110 dBc/Hz @ 100 kHz
Low Spurious: -80 dBc Typical
External Reference
Environmental Screening Available
TYPICAL
Ta= 25
ºC
15
+/- 20
+13
+/- 0.75
-80
-95 dBc/Hz @ 1 KHz
-105 dBc/Hz @ 10 KHz
-110 dBc/Hz @ 100 KHz
-125 dBc/Hz @ 1 MHz
1.5
-20
100 MHz
TTL (High=Locked)
+12
265
MIN/MAX
Ta = -20
ºC
to +65
ºC
15
+/- 20 Min.
+12
+/- 1
-70
Description
Spectrum Microwave’s Series MDR6100 Phase
Locked Oscillators use a Dielectric Resonator in
the resonant circuit. The circuit is lightly loaded to
obtain the lowest phase noise possible.
The resonator is epoxied to a printed circuit
board and well grounded to minimize modulation
sidebands during shock and vibration.
Buffer amplifiers are used to provide isolation
from load VSWRs; Regulators filter noise on
the DC input voltage.
Internal reference models are also available.
A lock indicator circuit is provided to signal an
out-of-lock condition.
Notes:
1. Specifications labeled “min.” or “max.” are guaranteed in a 50 Ohm system over the
specified temperature range.
2. Output frequency must be specified, and it is an integer multiple of the internal crystal
reference frequency.
3. Mechanical tuning of PLO in unlocked mode.
4. Higher output power is available.
5. Phase Noise at offsets <100 kHz is dependent on external reference and can be
approximated as follows:
Phase Noise (dB) = 20log(N) +3 dB above the external reference
phase noise, where N = multiple of reference.
6. Other input voltages are available.
7. Actual or impending loss of lock.
8. Package must be verified by Spectrum Microwave.
Specifications
1
CHARACTERISTIC
Frequency (GHz)
2
Mechanical Tuning
Bandwidth (MHz)
3
Output Power (dBm)
4
Variation Over
Temperature (dBm)
Spurious (dBc)
Phase Noise (dB)
5
VSWR
Harmonics (dBc)
External Reference
Lock Indicator
Supply Power DC
6
mA
Phase Voltage
Set to (nom.)
Lock Range (min.)
Phase-Lock Alarm
Locked
Unlocked
7
2.0
-15
1 / 200 MHz
TTL (Low=Unlocked)
+12
275
+5.0 VDC
+2 to +9 VDC
Transistor Collector (NPN)
Open Vc = 30 VDC max.
Saturated to Ground
Vce = +0.5 VDC max.
Ic = 50 mA max.
Spectrum Microwave, Inc.
www.SpectrumMicrowave.com
2707 Black Lake Place Phila, Pa. 19154
PH: 215-464-4000 FAX: 215-464-4001
Rev.
3/19/09
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