파트넘버.co.kr IQCM-110 데이터시트 PDF


IQCM-110 반도체 회로 부품 판매점

OCXO



IQD 로고
IQD
IQCM-110 데이터시트, 핀배열, 회로
ISSUE 1; February 2016
Description
A GPS disciplined OCXO incorporating GPS receiver unit, to
give 1PPS and 10MHz output.
Holdover stability up to 1.5µs over 24hours, achieved using an
adaptive algorithm.
Standard NMEA0183 data is available to the user via serial
port.
Frequency stability better than 1E-12
Working States (Reference Drawing):
Run1: Fast track. Adjust the OCXO 10MHz output frequency
quickly to track the GPS.
Run2: Slow track. Adjust the OCXO 10MHz output frequency
slowly when phase error is in the defined range.
Holdover: No GPS input present; an algorithm enables
adaptive modelling of the frequency stability of an OCXO with
reference to the GPS timing signal.
Free Run: Clock module powered up with no GPS input.
Note1: The IQCM-110 should be left powered and running for 7
days minimum before operation to allow for the OCXO's
internal drift to stabilise.
Note2: The adaptive module algorithm can be built after two
days operation with good GPS signal, however this data will be
lost at power down.
Note3: When State input (Pin 8) is set low the IQCM-110 will
operate in Holdover mode regardless of the 1PPS signal
condition.
NMEA data words
The following standard GNSS data is available to the user via
the interface on pin 6 and pin 7. GPRMC, GPVTG, GPGGA,
GPGSA, GPGSV, GPGLL, GPZDA these are broadcast every
second in sync with the 1PPS output
Frequency Parameters
Frequency
10.0MHz
10MHz RF Output Details, Pin 2:
HCMOS Compatible
(Sinewave 50option available)
VOH: 2.7V min
VOL: 0.4V max
Rise and Fall time: 8ns max
Duty Cycle: 45/55% max
Accuracy (24-hour averaging when locked to 1PPS): ±1E-12
Short Term Stability (tested after power for 1hr ref to 25°C, 1s,
using PN9000 test equipment): 2E-11 max
Ageing (Vs and temperature constant, reference to T=25°C, Vs
= 5.0V and after 30 days operation): ±0.2ppb per day, ±10ppb
per year
24Hrs Holdover Capability
Reference 7 days powered on, 2 days GPS lock
Temperature varied <1°C/min within operating temperature
range
Total temperature change Holdover capability
ΔT<±2°C
±1.5µs
Note: Other options available on request
OCXO Specification
IQCM-110
Outline (mm)
Workflow Diagram
Sales Office Contact Details:
UK: +44 (0)1460 270200
Germany: 0800 1808 443
France: 0800 901 383
USA: +1.760.318.2824
Printed on 26 Apr 16 10:45 using Model Data Sheet V1.2550
Web: www.iqdfrequencyproducts.com
Page 1 of 4


IQCM-110 데이터시트, 핀배열, 회로
Electrical Parameters
Supply Voltage
5.0V ±5%
1PPS Output from internal GPS receiver, Pin 10:
Waveform: HCMOS
Test condition: 15pF
ViH: 2.7V min
ViL: 0.4V max
Pulse Width: 100ms min
State Input, Pin 8 (<5mA load):
Lock: 2.7V min
Unlock: 0.4V max
Pin 8 has an internal pull-up cct.
Power Supply Details, Pin 12:
Supply Voltage: 5.0V ±5%
Current Consumption: 2A during warm up, 1A steady state
@25°C
AC Ripple: 50mV pk-pk max, 10Hz to 1MHz
GPS Internal Receiver Specification:
Type: GPS Position lock
Number of channels: 50
Frequency Band: L1 (1575.42MHz)
Tracking Code: C/A Code
Tracking Capability: 12 satellites
Sensitivity: Tracking and Navigation 162dBm
Reacquisition -157dBm
Cold Start (Autonomous) -148dBm
Antenna input SMA-KE (active antenna recommended)
Operating Temperature Ranges
-20 to 75°C
Output Details
Output Compatability
HCMOS
1PPS Reference Output, Pin 3 (15pF test condition):
Waveform: HCMOS
VoH: 2.7V min
VoL: 0.4V max
Pulse Width: 100ms min
Lock Status Indicator, Pin 5:
Module Locked: 2.7V min
Module Holdover: 0.4V max
Module Locked means Working State is = Run2
Current 5mA max
Serial Interface (pin6 and pin7)
NMEA-0183
VoL and ViL: 0.4V max
VoH and ViH: 2.7V min
Baud rate: 9600
Bits: 8
Paraty: N
Stop Bit: 1
Noise Parameters
Phase Noise on 10MHz RF output signal (dBm/Hz)
Offset Typical Max
10Hz -118 -113
100Hz -138 -133
1kHz -148 -143
10kHz -150 -145
100kHz -150 -145
1MHz -150 -150
OCXO Specification
IQCM-110
Sales Office Contact Details:
UK: +44 (0)1460 270200
Germany: 0800 1808 443
France: 0800 901 383
USA: +1.760.318.2824
Printed on 26 Apr 16 10:46 using Model Data Sheet V1.2550
Web: www.iqdfrequencyproducts.com
Page 2 of 4




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