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RoHs Compliant GaAs, High Q Abrupt Tuning Varactors MA46600 Series V4
Features
* * * *
Absolute Maximum Ratings @ TA=+25 C
Parameter
Operating Temperature Storage Temperature Reverse Voltage Power Dissipation (derate linearly to zero at 200C)
Constant Gamma Abrupt Junction: 0.5 Highest Q Large Capacitance Variation with Voltage Custom Tailored Designs Available on Request
Absolute Maximum
-65C to +175C -65C to +200C Breakdown Voltage Cj < 1.0 pF max. @ 50 mW Cj 1.0 pF min. @ 100 mW
Description
The MA46600 series of microwave tuning varactors is afamily of abrupt junction gallium arsenide devices featuring Q factors in excess of 8000. This series is specifically designed for broadband high Q tuning performance (up to 8000 at -4 volts and 50 MHz) from L through Ka band. Characteristics such as high reliability, low leakage and close capacitance tracking between diodes are typical of these devices. Standard capacitance matching is 10%,but closer matching is available upon request. All diode types are available in a wide selection of ceramic packages as well as in chip form.
1. Operation of this device above any one of these parameters may cause permanent damage.The maximum storage and
Common Case styles
Applications
The MA46600 series of tuning varactors can be used for both broad and narrow band tuning through Ka-band. Typical applications include solid state tuning of VCOs using transistors or Gunns as well as voltage tunable filters and amplifier circuits. The GaAs abrupt junction tuning varactors offer the highest Q of any tuning varactors and are utilized in high frequency applications where Q is premium.
134 Chip
Specifications subject to change without notice.
1
M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information.
* North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information.
RoHs Compliant GaAs, High Q Abrupt Tuning Varactors MA46600 Series V4
Electrical Specifications @ TA = +25 C
Gamma 0.5 Abrupt Tuning Varactors Breakdown Voltage @ 10 A = 30 V minimum Reverse Current @ 24 V = 100 nA maximum Gamma = 0.48 - 0.50, VR = 0 to 30 V
Environmental Ratings
Temperature, Storage Temperature, Cycling Shock Vibration Constant Acceleration Moisture Resistance Total Q Capacitance Minimum Ratio1,2 Vr=0V Vr=30V Vr=4V f=50MHz Method 1031 1051 2016 2056 2006 1021 Levels See Maximum Ratings 5 cycles, -65 to + 150 C 500 g's 15 g's 20,000 g's 10 days
Part Number Ir=10A (V)
Total Capacitance1,2 +/-10% Vr=4V (pF)
MA46600 MA46602 MA46603 MA46604
30 30 30 30
0.3 0.5 0.6 0.8
1.9 2.5 2.8 3.2
8000 7000 6500 6000
Typical Performance Curves
Notes: 1. Capacitance is measured at 1 MHz on a bridge which has been balanced with shielded test holders connected in place but open circuited. 2. All GaAs tuning varactors are available in any case style shown in this bulletin as well as in chip form. When ordering, specify the desired case by adding the case designation as a suffix to the model number, i.e., MA46601-30. For example, a MA46601-30 specifies a 30 volt tuning diode in a case style 30 with a CT14 between .36 and .44 pF and a Q at -4 volts and 50 MHz 7500. The capacitance values and capacitance ratios are for case style 30. Other case styles or chips will have slightly different values. 3. All junctions are abrupt i.e., y = 0.50 .03. 4. Total capacitance ratios will vary with case choice due to differences in case capacitance (Cp). Figure 1 shows the ratio for the 30 case style. 5. Case parasitics (Cp and Ls) are given for most case styles.
Specifications subject to change without notice.
2
M/A-COM Inc. and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. M/A-COM makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does M/A-COM assume any liability whatsoever arising out of the use or application of any product(s) or information.
* North America Tel: 800.366.2266 / Fax: 978.366.2266 * Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300 * Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298 Visit www.macom.com for additional data sheets and product information.

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