OC1850.pdf

Rev. 5/10
1250 TO 1850 MHz
VOLTAGE CONTROLLED OSCILLATOR
OC1850
OC1850
Typical Values @ +25 °C
Tuning Voltage Limits . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Output Variation . . . . . . . . . . . . . . . . . . . . . . . . .
Standard Size TO-8 Package
0-15 V
+11.5 dBm
4.0 dB
OC1850
TO-8 Package for Oscillators
SPECIFICATIONS*
Parameter
Typical
Frequency
Guaranteed
0 to 50 °C
-55 to +85 °C
1250-1850 MHz
1250-1850 MHz
1250-1850 MHz
0V
15 V
0V
15 V
0V
15 V
+11.5 dBm
+8.5 dBm
+8.0 dBm
3.0 dB
4.5 dB
4.5 dB
Modulation Sensitivity (Min.–Max.)
40 to 70 MHz/V
35 to 75 MHz/V
35 to 75 MHz/V
Modulation Sensitivity Ratio (Max.)
1.5:1
1.75:1
1.75:1
SSB Phase Noise (Max.)
at 10 kHz offset
at 100 kHz offset
-78 dBc/Hz
-107 dBc/Hz
-75 dBc/Hz
-105 dBc/Hz
-75 dBc/Hz
-103 dBc/Hz
—
40 MHz
50 MHz
Harmonics (Max.)
-16.0 dBc
-10.0 dBc
-10.0 dBc
Spurious (Max.)
-60.0 dBc
-60.0 dBc
-60.0 dBc
Frequency Pulling (Max.)
Load VSWR = 1.67:1
8.0 MHz
10.0 MHz
10.0 MHz
Frequency Pushing (Max.)
Vdc ± 0.5 V
4.0 MHz/V
8.0 MHz/V
8.0 MHz/V
Bias Voltage (Vdc)
15.0 V
15.0 V
15.0 V
DC Current (Max.)
57 mA
60 mA
60 mA
Tuning Voltage Limits
Tuning Voltage at low end
Tuning voltage at high end
Power Output (Min.)
Power Flatness^ (Max.)
Frequency Drift (Max.)
OS1850
SMTO-8 for Oscillators
* Specifications are measured in 50-ohm system at +15 Volts bias unless otherwise specified.
^ Power Flatness is defined as power variation over frequency band at any given temperature.
ABSOLUTE MAXIMUM RATINGS
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Case Temperature . . . . . . . . . . . . . . . . . . . .
Maximum DC Voltage . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Tuning Voltage . . . . . . . . . . . . . . . . . . . . . . .
Burn-In Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance1 (θjc) . . . . . . . . . . . . . . . . . . . . . . .
Junction Temperature Rise Above Case (Tjc) . . . . . . .
1
-62 °C to +125 °C
125 °C
+17 V
+20 V
+125 °C
+40.1 °C/Watt
+34.3 °C
Thermal resistance is based on total power dissipation. Ratings based on +25 °C.
DIMENSIONS ARE IN INCHES [MILLIMETERS]
650-691-9800 • Fax: 650-962-6845 • Updates: www.teledynemicrowave.com • [email protected]
14.0 15.0
OC1850
TYPICAL PERFORMANCE
KEY: +25 °C
+85 °C
-55 °C
Frequency vs. Tuning Voltage Vcc = 15
2000
OUPUT FREQUENCY - MHz
1900
1800
1700
1600
1500
1400
1300
1200
1100
0.0
1.0
2.0
3.0
4.0
5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0
TUNING VOLTAGE (VOLTS)
MODULATION SENSITIVITY - MHz/V
Modulation Sensitivity vs. Tuning Voltage
75.0
70.0
65.0
60.0
55.0
TYPICAL AUTOMATIC TEST DATA
Model: OC1850
TUNING
VOLTAGE
V
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
A
9.5
10.0
10.5
11.0
11.5
12.0
12.5
13.0
13.5
14.0
14.5
15.0
Vstr mA = 55.48
MODULATION
SENSITIVITY
MHz/V
0.00
65.57
55.36
48.60
44.36
44.28
44.47
43.13
43.84
44.64
44.59
44.48
44.34
44.02
43.56
43.27
43.06
42.97
43.09
43.45
44.44
46.02
48.16
49.18
47.90
46.54
49.77
51.16
49.57
48.66
47.91
Vstop mA = 54.42
14.0 15.0
LINEARITY
MHz
0.00
9.52
13.86
14.82
13.68
12.47
11.36
9.59
8.15
7.12
6.07
4.99
3.81
2.47
0.91
-0.81
14.0 15.0
-2.63
-4.45
-6.26
-7.88
-9.01
-9.34
-8.60
-7.36
-6.76
-6.84
-5.30
-3.04
-1.60
-0.61
0.00
45.0
40.0
0.0
1.0
2.0
3.0
4.0
14.0 15.0
5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0
TUNING VOLTAGE - VOLTS
Phase Noise at 1.25 GHz
Power Output vs. Tuning Voltage
PHAASE NOISE - dBc/Hz
13.0
12.0
11.0
10.0
9.0
8.0
7.0
0.0
1.0
2.0
3.0
4.0
5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0
TUNING VOLTAGE - VOLTS
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
-160
100
1K
Absolute Linearity vs. Tuning Voltage
40.0
PHAASE NOISE - dBc/Hz
20.0
10.0
0.0
-10.0
-20.0
-30.0
-40.0
0.0
10 K
100 K
FREQUENCY - Hz
1M
10 M
1M
10 M
Phase Noise at 1.85 GHz
30.0
LINEARITY - MHz
POWER
dBm
11.49
11.61
11.62
11.65
11.68
11.67
11.64
11.63
11.61
11.60
11.62
11.66
11.71
11.76
11.82
11.88
11.93
11.97
12.01
12.01
11.97
11.85
11.64
11.39
11.23
11.09
10.76
10.41
10.15
9.91
9.71
50.0
14.0
RF OUTPUT - dBm
Vcc= +15V
FREQ.
MHz
1193.77
1226.81
1254.57
1278.96
1300.68
1322.87
1345.15
1366.72
1388.82
1411.19
1433.59
1455.30
1477.51
1499.58
1521.40
1543.20
1564.73
1585.76
1607.43
1629.16
1651.47
1674.48
1698.75
1723.39
1746.78
1770.15
1795.03
1820.78
1845.60
1870.07
1894.09
1.0
2.0
3.0
4.0
5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0
TUNING VOLTAGE - VOLTS
+0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
-150
-160
100
1K
10 K
100 K
FREQUENCY - Hz
650-691-9800 • Fax: 650-962-6845 • Updates: www.teledynemicrowave.com • [email protected]