IQVCXO-161
ISSUE 6; 23 AUGUST 1998
Delivery Options
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Frequency
Date Code (Year/Week)
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Please contact our sales office for current leadtimes
Minimum Order Information Required
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Output Compatibility
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HCMOS/TTL
Drive Capability: 15pF/10TTL
Frequency + Model Number + Operating Temperature +
Frequency Stability
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Outline in mm
Package Outline
0.8 max
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Standard Frequency Stabilities
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∅0.45
4.0 min
Pin connections
1. Voltage Control
7. GND
8. Output
14. +Vs
1
7
7.62
14
15.24
21.0 max
8
Frequency Range
1.0 to <30.0MHz
30.0 to 90.0MHz
Height (H)
5.1 max.
8.0 max.
Operating Temperature Ranges
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0 to 70°C
–20 to 70°C
–40 to 85°C (available 30.0 to 90.0MHz only)
Storage Temperature Range
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–40 to 85°C
LEADED VCXOs
Environmental Specification
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Terminal Strength: 0.91kg max. Force perpendicular to
top & bottom
Hermetic Seal: not to exceed 1
x
10
-8
mBar litres of
Helium leakage
Solderability: MIL-STD-202E, Method 208C
Vibration: 10 to 55Hz 0.76mm displacement, sweep 60
seconds, duration 2 hours
Rapid Change of Temperature
Temperature Range: 10 cycles
2
Output Waveform - HCMOS/TTL
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+Vs
90%Vs
t
f
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over
Operating
50%Vs
2.4V
1.4V
0.4V
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Shock: 981m/s for 6ms, three shocks in each direction
along the three mutually perpendicular planes
10%Vs
Output Frequency Change
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±100ppm min
Voltage Control Pin 1
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T
Duty cycle = t x 100(%)
T
0V
t
2.5V ±2.0V
Modulation Bandwidth
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>15kHz
Marking
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Model number
Frequency Stability Code
Frequency Tolerance Code (Optional)
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13.08 max
±25ppm, ±50ppm @ V
c =
2.5V
(inclusive of supply voltage & output load variations
over the operating temperature range)
H
14 pin DIL compatible resistance welded enclosure,
hermetically sealed with glass to metal seals
t
r
Electrical Specifications - maximum limiting values when measured in HCMOS test circuit.
Frequency
Range
1.0 to
< 24.0MHz
24.0 to
< 30.0MHz
30.0 to
90.0MHz
Ordering Example
Frequency
Model number
Operating Temperature Code: *X = -40 to 85°C, S = -20 to 70°C, Not applicable for 0 to 70°C
Frequency Stability: A = ±25ppm, B = ±50ppm
*Please note: Available 30.0 to 90.0MHz only
Frequency
Stability
±25ppm
±50ppm
±25ppm
±50ppm
±25ppm
±50ppm
Supply
Voltage
5V±0.25V
5V±0.25V
5V±0.25V
Output
Frequency
Change
±100ppm
±100ppm
±100ppm
Supply Current
Rise Time(t
r
)
Fall Time(t
f
)
Duty Cycle
Model Number
15mA
40mA
30mA
22.0MHz
10ns
10ns
5ns
10ns
10ns
5ns
40/60%
40/60%
40/60%
IQVCXO-161
IQVCXO-161
IQVCXO-161
IQVCXO-161 S B
Typical Voltage Control Curve @ 25°C & 20.0MHz
100
50
0
LEADED VCXOs
∆f/f
0
(ppm)
-50
-100
0.5
1.5
2.5
3.5
4.5 Vcont(T)
Test Circuit - HCMOS
A
2.0k
10.0k
Oscillator
1
7
14 8
V
V
0.1µF
15pF*
Oscilloscope
+Vs
Test Circuit - TTL
A
2.0k
10.0k
V
V
0.1µF
15pF*
Oscillator
1
7
14 8
+Vs
D
1
400R
D
2
D
3
D
4
Oscilloscope
Frequency counter
*Inclusive of jigging & equipment capacitance
Frequency counter
D
1
to D
4
= IN4148
or equivalent
*Inclusive of jigging & equipment capacitance
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