Professional Letter

4590 Patrick Henry Drive
Santa Clara, CA 95054-1817
Telephone: (408) 919-2500
Facsimile: (408) 988-0279
TOKYO KEIKI RF VCOs
Description
The TOKYO KEIKI TO1 series voltage controlled oscillators cover frequency ranges between 1 GHz and 18
GHz. They use BJT or FET devices to feature ultra wide frequency bands, small power variation over
frequency and low phase noise. Integrated buffer amplifiers are used to achieve reduced frequency pulling
and higher output powers. These VCOs use compact, light weight hermetic packages including TO-8
packages through 4GHz, SMD packages through 8GHz and SMA type packages for frequencies from 7GHz to
18GHz. TOKYO KEIKI will produce customized variations to the performance listed below.
Specifications (@+25 °C case temperature)
Type
Voltage Frequency Band
(GHz)
Output Power (dBm)
min.
Output Power Flatness
(dBm)
TO112SC1
TO112NC1
TO124SC1
TO124NC1
TO148SC1
TO148NC1
TO17BCM1
TO1AECM1
TO1EJCM1
1.0-2.0
1.0-2.0
2.0-4.0
2.0-4.0
4.0-8.0
4.0-8.0
07.5-11.5
10.0-14.0
14.0-18.0
10
10
10
10
10
10
10
10
10
±2.0
±2.0
±2.0
±2.0
±2.0
±2.0
±2.0
±2.0
±2.0
Frequency Variation
(MHz/c) typ.
0.8
0.8
1
1
1.3
1.3
1.3
1.5
2.2
Pulling 12dB Return Loss
(MHz) max.
10
10
20
20
30
30
30
30
30
Pushing +15V Supply
(MHz/V) max.
10
10
15
15
20
20
10
10
10
-7
-7
-10
-10
-10
-10
-20
-20
-20
Harmonics (dBc) max.
Spurious (dBc) max.
-50
-50
-50
-50
-50
-50
-50
-50
-50
Tuning Voltage Low
Frequency Limit (V) typ.
+3±2
+ 3±2
+ 3±2
+3±2
+ 3±2
+3±2
+3±2
+3±2
+3±2
Tuning Voltage Upper
Frequency Limit (V) typ.
+17±2
+ 17±2
+ 17±2
+17±2
+ 17±2
+17±2
+17±2
+17±2
+17±2
Maximum Tuning
Voltage (V)
20
20
20
20
20
20
20
20
20
Tuning Terminal
Capacitance (pF) typ.
200
200
200
200
200
200
100
100
100
Phase Noise at 100kHz
Offset (dBc/Hz) typ.
-100
-100
-95
-95
-90
-90
-70
-65
-60
Power Supply Voltage
(V)
15
15
15
15
15
15
15
15
15
Current Consumption
(mA) max.
80
80
80
80
80
80
80
150
150
TO-8
SMD
TO-8
SMA
SMA
SMA
Package
SMD
TO-8
SMD
Note: Design and specifications are subject to change without notice
4590 Patrick Henry Drive
Santa Clara, CA 95054-1817
Telephone: (408) 919-2500
Facsimile: (408) 988-0279
TOKYO KEIKI RF VCOs
Typical Characteristics:
4590 Patrick Henry Drive
Santa Clara, CA 95054-1817
Telephone: (408) 919-2500
Facsimile: (408) 988-0279
TOKYO KEIKI RF VCOs
Packaging: