1 gaas high q abrupt tuning varactors rev. v6 ma46600 series ? 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 additi onal data sheets and pr oduct information. ma-com technical soluti ons and its affiliates reserve th e right to make changes to the product(s) or information cont ained herein wi thout notice. advanced: data sheets contain information regarding a product ma-com technical solutions is considering for development. performance is based on target specifications, simulated results, and/ or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product ma-com technical solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commit- ment to produce in volume is not guaranteed. features ? constant gamma abrupt junction: 0.5 ? highest q ? large capacitance variation with voltage ? custom tailored designs available on request ? rohs* compliant description the ma46600 series of microwave tuning varactors is a family of abrupt junction gallium arsenide de- vices 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 capaci- tance 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 ce- ramic packages as well as in chip form. 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. absolute maximum ratings 1 @ t a =+25c 1. operation of this device abov e any one of these parameters may cause permanent damage.the maximum storage and operating temperature of the plastic ods-1088 case style is 125c. parameter absolute maximum operating temperature -65c to +175c storage temperature -65c to +200c reverse voltage breakdown voltage power dissipation (derate linearly to zero at 200c) cj < 1.0 pf max. @ 50 mw cj 1.0 pf min. @ 100 mw common case styles 134 chip specifications subject to change without notice. * restrictions on hazardous substanc es, european union directive 2002/95/ec.
2 gaas high q abrupt tuning varactors rev. v6 ma46600 series ? 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 additi onal data sheets and pr oduct information. ma-com technical soluti ons and its affiliates reserve th e right to make changes to the product(s) or information cont ained herein wi thout notice. advanced: data sheets contain information regarding a product ma-com technical solutions is considering for development. performance is based on target specifications, simulated results, and/ or prototype measurements. commitment to develop is not guaranteed. preliminary: data sheets contain information regarding a product ma-com technical solutions has under development. performance is based on engineering tests. specifications are typical. mechanical outline has been fixed. engineering samples and/or test data may be available. commit- ment to produce in volume is not guaranteed. electrical specifications @ t a = +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 part number break- down voltage 6 vb total capaci- tance 1,2 +/-10% total capacitance ratio 1,2,4 q minimum ir=10 a vr=4 v vr=0 v vr=30 v vr=4 v f=50 mhz (v) (pf) - - ma46600 30 0.3 1.9 8000 ma46602 30 0.5 2.5 7000 ma46603 30 0.6 2.8 6500 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 order- ing, specify the desired case by adding the case designa- tion 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 ct@- 4v 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 (c p and l s ) are given for most case styles. 6. breakdown voltage (v b ) is specified at -10 a. environmental ratings method levels temperature, storage 1031 see maximum ratings temperature, cycling 1051 5 cycles, -65 to + 150 c shock 2016 500 g?s vibration 2056 15 g?s constant acceleration 2006 20,000 g?s moisture resistance 1021 10 days typical performance curves specifications subject to change without notice.
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