mult_image_1

Frequency Multipliers

Description
VDI offers a broad range of millimeter-wave varistor mode, passive frequency multipliers based on planar GaAs Schottky diode technology. Frequency doublers and triplers are used to extend the frequency coverage of microwave and millimeter-wave sources. 
 
Broadband Multipliers 
VDI broadband doublers and triplers have high efficiency (up to ~4%) across full waveguide bands. VDI offers broadband frequency doublers from WR-15 (50-75 GHz) to WR-1.9 (400-600 GHz). VDI offers broadband frequency triplers from WR-15 (50-75 GHz) to WR-0.34 (2200-3300 GHz).  
 
High Power Multipliers 

VDI high power doublers offer high efficiency (up to ~40%) across a narrowband (~5-10% fractional 3 dB bandwidth). VDI offers high power doublers from ~50 GHz to ~500 GHz. High power doublers can be optimized for specific applications. 

Other Frequency Multipliers 
Alternative frequency multipliers that are optimized for specific applications may be available upon request.

 Contact VDI for more information. 

Frequency (GHz)

Wide-Band Doublers (x2)

Wide-Band Triplers (x3)

50-75

WR-15

60-90

WR-12

75-110
WR-10
82-125
WR-9.0
90-140
WR-8
110-170
WR-6.5
140-220
WR-5.1
170-260
WR-4.3
220-330
WR-3.4
260-400
WR-2.8
330-500
WR-2.2
400-600
WR-1.9
500-750
WR-1.5
600-900
WR-1.2
750-1100
WR-1.0

900-1400

WR-0.8

1100-1700
WR-0.65
1400-2200
WR-0.51

See WR for additional details on waveguide band designations.

Contact VDI  today for additional information.

The D-series and T-series multipliers are VDI’s line of high-power / narrow-band varactor doublers and triplers. These multipliers range from ~50GHz to 700GHz and offer various options for 3dB bandwidth, peak efficiency, and RF input power rating. VDI continues to make developments to its varactor multiplier products. Please contact VDI for multiplier recommendations based upon your frequency and power requirements.

Specifications for Varactor Doublers*

VDI Part #

RF Output Frequency (GHz)†

Peak Efficiency (%)††

Typical 3dB Bandwidth (%)†

RF Input Power Range (mW)††

Output Flange

Input Flange

D52-W
48 – 57
25
14
300 – 1950
WR-19 UG-383/U
2.9mm(f)
D52-N
48 – 58
32
8
300 – 1950
WR-19 UG-383/U
2.9mm(f)
D58
48 – 65
32
14
450 – 1800
WR-15 UG-385/U
2.9mm(f)
D62
51 – 67
33
14
400 – 1800
WR-15 UG-385/U
2.9mm(f)
D72
64 – 79
28 – 30
14
400 – 1500
WR-12 UG-387/U
2.9mm(f)
D84
73 – 90
28 – 30
14
250 – 1000
WR-10 UG-387/U-M
WR-22 UG-383/U
D90
86 – 96
30
10
200 – 900
WR-10 UG-387/U-M
WR-19 UG-383/U
D102
92 – 109
27
14
200 – 700
WR-10 UG-387/U-M
WR-19 UG-383/U
D108
92 – 124
30
10
250 – 1000
WR-8.0 UG-387/U-M
WR-15 UG-385/U
D110
104 – 118
25 – 30
8
200 – 900
WR-8.0 UG-387/U-M
WR-15 UG-385/U
D123
110 – 132
24 – 28
8
150 – 700
WR-6.5 UG-387/U-M
WR-15 UG-385/U
D153
135 – 157
24 – 28
8
150 – 650
WR-6.5 UG-387/U-M
WR-12 UG-387/U
D175
157 – 192
25 – 30
8
120 – 550
WR-5.1 UG-387/U-M
WR-10 UG-387/U-M
D210
195 – 228
25
8
100 – 500
WR-4.3 UG-387/U-M
WR-8.0 UG-387/U-M
D252
225 – 278
20 – 25
7
100 – 450
WR-3.4 UG-387/U-M
WR-6.5 UG-387/U-M
D315
280 – 338
18 – 23
6.5
120 – 220
WR-2.8 UG-387/U-M
WR-5.1 UG-387/U-M
D330
280 – 340
20 – 25
10
20 – 190
WR-2.8 UG-387/U-M
WR-5.1 UG-387/U-M
D370
330 – 420
18
6
15 – 110
WR-2.2 UG-387/U-M
WR-4.3 UG-387/U-M
D450
400 – 470
13
6
30 – 120
WR-2.2 UG-387/U-M
WR-4.3 UG-387/U-M
D530
440 – 590
9 – 13
5
10 – 80
WR-1.9 UG-387/U-M
WR-3.4 UG-387/U-M
D650
580 – 680
9 – 13
5
8 – 75
WM-380 UG-387/U-M
WR-3.4 UG-387/U-M
†The RF Output Frequency range indicates the range over which the multiplier can be tuned. The lower and upper limits indicate the minimum

and maximum 3dB bandwidth limits of the multiplier respectively.
††The multiplier can be configured to operate at an RF input power level within the wide RF input power range specified above. However, the
multiplier is expected to operate approximately ±1dB centered around the RF input power level specified, not exceeding the maximum
or minimum RF input power range listed above. Different biases may be required to achieve optimal performance across the full input power range
specified above. Efficiency and 3dB bandwidth may be reduced at low RF input power levels.
RF Input Power Damage Limit is expected to be approximately +2dB above the specified RF input power level specified, not exceeding
the maximum RF input power listed above. See individualized datasheet for damage limit.
*This table is not a comprehensive list of all the varactor multipliers VDI offers. VDI may offer a different multiplier that is better suited for your
application.

Specifications for Varactor Triplers*

VDI Part #

RF Output Frequency (GHz)†

Peak Efficiency (%)††

Typical 3dB Bandwidth (%)†

RF Input Power Range (mW)††

Output Flange

Input Flange

T93
89 – 97
17 – 20
5
35 – 185
WR-10 UG-387/U-M
2.9mm(f)
T108
103 – 110
12 – 15
5
35 – 185
WR-8.0 UG-387/U-M
2.9mm(f)
T220
208 – 225
10 – 13
5
50 – 150
WR-4.0 UG-387/U-M
WR-12.8 UG-387/U-M
T228
223 – 233
10 – 12
5
75 – 170
WR-4.3 UG-387/U-M
WR-12.2 UG-387/U-M
T282
276 – 290
8 – 10
4
75 – 140
WR-3.4 UG-387/U-M
WR-10 UG-387/U-M
T321
305 – 335
7 – 9
4
20 – 55
WR-2.8 UG-387/U-M
WR-8.0 UG-387/U-M
T438
432 – 444
8 – 9
4
15 – 55
WR-2.0 UG-387/U-M

WR-6.4 UG-387/U-M

†The RF Output Frequency range indicates the range over which the multiplier can be tuned. The lower and upper limits indicate the minimum

and maximum 3dB bandwidth limits of the multiplier respectively.
††The multiplier can be configured to operate at an RF input power level within the wide RF input power range specified above. However, the
multiplier is expected to operate approximately ±1dB centered around the RF input power level specified, not exceeding the maximum
or minimum RF input power range listed above. Different biases may be required to achieve optimal performance across the full input power range
specified above. Efficiency and 3dB bandwidth may be reduced at low RF input power levels.
RF Input Power Damage Limit is expected to be approximately +2dB above the specified RF input power level specified, not exceeding
the maximum RF input power listed above. See individualized datasheet for damage limit.
*This table is not a comprehensive list of all the varactor multipliers VDI offers. VDI may offer a different multiplier that is better suited for your
application.

Product Manual and Specifications
Scroll to Top