參數(shù)資料
型號： MDR5100-2500
廠商： SPECTRUM CONTROL INC
元件分類： XO, clock
英文描述： MECHANICAL TUNED DRO, 2500 MHz
文件頁數(shù)： 1/2頁
文件大小： 328K
代理商： MDR5100-2500
CHARACTERISTIC
TYPICAL
Ta= 25
o
C
2500
MIN/MAX
Ta = -20
o
C to +65
o
C
2500
Frequency (MHz)
2
Mechanical Tuning
Bandwidth (MHz)
3
Supply Power DC
6
+12
mA 265 275
Phase Voltage
Set to (nom) +5.0 VDC
Lock Range (mn.) +2 to +9 VDC
Phase-Lock Alarm Transistor Collector (NPN)
Locked Open Vc = 30 VDC max.
Unlocked
7
Saturated to Ground
Vce = +0.5 VDC max.
Ic = 50 mA max.
+12
PHASE LOCKED OSCILLATOR
MODEL
MDR5100-2500
(2500 MHz)
VSWR
Harmonics (dBc)
Lock Indicator
1.5
-20
2.0
-15
Phase Noise (dB)
5
-102 dBc/Hz @ 1 KHz
-118 dBc/Hz @ 10 KHz
-124 dBc/Hz @ 100 KHz
-140 dBc/Hz @ 1 MHz
Spurious (dBc)
-80
-70
Variation Over
Temperature (dBm
+/- 0.75
+/- 1
Output Power (dBm
4
+13
+12
Specifications
1
Features
!
Low Phase Noise: -124 dBc/Hz @ 100 kHz
!
Low Spurious: -80 dBc Typical
!
Internal Reference Design
!
Environmental Screening Available
Spectrum Microwave, Inc.
2707 Black Lake Place Phila, Pa. 19154
www.SpectrumMicrowave.com PH: 215-464-4000 FAX: 215-464-4001
Rev.
10/30/08
Description
Spectrum Microwave’s Series MDR5100 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.
External reference models are also available.
A lock indicator circuit is provided to signal an
out-of-lock condition.
Notes:
1. Specifications labeled “mn.” or “max.” are guaranteed in a 50 Ohmsystemover 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 SpectrumMicrowave.
TTL (High=Locked)
TTL (Low=Unlocked)
+/- 10
+/- 10 Min.
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