LNO480D1
LNO480D1
LNO 480 D1 is a low noise, low G vibration isolated Oven Controlled Voltage Controlled SAW Oscillator (OCVCSO) operating at 480 MHz. It is designed for airborne environments, featuring excellent phase noise performance and a ruggedized package measuring 70mm x 70mm x 34.75mm.
- Excellent phase noise performance: -145 dBc/Hz @ 1kHz offset, -180 dBc/Hz noise floor.
- BIT Status: Ready or Alarm.
- Airborne radars.
1. Environmental Conditions
- Operating temperature: -35 to +71 °C.
- Storage temperature: -40 to +85 °C.
- Shock: 30 g, 11 ms.
- Random vibration: 3.10-4 g²/Hz within 10 to 1000Hz, 3.10-5 g²/Hz at 2000Hz.
- Humidity: 93% RH at 60 °C.
- Low pressure & temperature: 120 hPa within -40 to 55 °C.
- Constant acceleration: 18 g in all directions.
- Supply voltage: +12 ± 0.2 V.
- Load impedance: 50Ω, VSWR < 1.3:1.
- Control Input: +2 to +7 V.
- BIT status: TTL logic level.
- Nominal frequency: 480 MHz.
- Frequency calibration: ±0.2 ppm, guaranteed < ±0.5 ppm.
- Frequency stability: < ±2 ppm.
- Long term stability: < ±1 ppm (1st year), < ±6 ppm (10 years).
- Frequency tuning: ±8 ppm, guaranteed > ±3 ppm.
- Slope: Positive, 3 ppm/V.
- Power consumption: 12 W (warm-up), 3 W (25 °C).
- Warm-up time: < 5 minutes.
- Output power: +10 dBm, guaranteed +9 to +11 dBm.
- PN power density @ 100 Hz offset: -115 dBc/Hz, guaranteed < -110 dBc/Hz.
- PN power density @ 1 kHz offset: -145 dBc/Hz, guaranteed < -140 dBc/Hz.
- PN power density @ 10 kHz offset: -170 dBc/Hz, guaranteed < -165 dBc/Hz.
- PN power density @ 1 MHz offset: -180 dBc/Hz, guaranteed < -175 dBc/Hz.
- Harmonic distortion: Second and third harmonics < -30 dBc, non-harmonics < -80 dBc.
- Interface: Open collector.
- Logic 1: TTL level, Oscillator ready.
- Logic 0: TTL level, Alarm.
Outline dimensions provided in mm.
7. Pin Description
- Pin 1: Frequency output.
- Pin 2: Supply voltage input & ground.
- Pin 3: BIT status & ground.
- Pin 4: Control input for tuning DC voltage or 10MHz reference.
Catalog excerpts
Low Noise Oscillator series LNO 480 D1 OCSO @ 480 MHz Specific request can be addressed to RAKON [email protected] LNO 480 D1 is a low noise and low G vibration isolated OCVCSO (Oven Controlled Voltage Controlled SAW Oscillator) at 480 MHz. LNO 480 D1 provides excellent phase noise performance, and is specially designed for airborne environment. The SAW oscillator is suspended with vibration and shock absorbers included. LNO 480 D1 is available in a 70mm x 70mm x 34.75mm ruggedized package. • Excellent phase noise performance (typical value) : o -145 dBc/Hz @ 1kHz offset o -180 dBc/Hz noise floor Phase Noise Plot rakon Spectrum Type L(fm) dBc/Hz • BIT Status : Ready or Alarm • Airborne radars Rakon reserves the right to modify herein specifications and information when necessary to provide optimum performance and cost
Open the catalog to page 1
Low Noise Oscillator series LNO 480 D1 OCSO @ 480 MHz Specifications Rakon reserves the right to modify herein specifications and information when necessary to provide optimum performance and cost
Open the catalog to page 2
Low Noise Oscillator series LNO 480 D1 OCSO @ 480 MHz4.0 Single side band phase noise (PN) Line With the following random vibration spectrum (ref. 1.4): - Phase noise without vibration - Phase noise with vibration (typical) - Phase noise with vibration (guaranteed) Rakon reserves the right to modify herein specifications and information when necessary to provide optimum performance and cost
Open the catalog to page 3
Low Noise Oscillator series LNO 480 D1 OCSO @ 480 MHz 5.0 BIT output Rakon reserves the right to modify herein specifications and information when necessary to provide optimum performance and cost
Open the catalog to page 4
