gaas hyperabrupt varactor diode gamma = 1.0, 1.25, & 1.5 rev. v7 ma46410 thru ma46480 series 1 1 m/a - com technology solutions inc. (macom) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. visit www.macom.com for additional data sheets and product information. for further information and support please visit: https://www.macom.com/support 1 features ? constant gamma = 1.0, 1.25 & 1.5 ? high q (up to 4000 at - 4 volts) ? more linear frequency tuning ? high and nearly constant modulation sensitivity ? lead - free (rohs compliant) equivalents available with 260c reflow compatibility description and applications the MA46450, ma46470 and ma46410 series of tuning varactors are hyperabrupt junction gallium arsenide diodes featuring constant gamma 1.0 (MA46450 series),1.25 (ma46470 series) & 1.5 (ma46410 series). these diodes offer high q (up to 4000) permitting excellent tuning performance from vhf through ka band. each part in this series exhibits the large change in capacitance versus bias voltage characteristic of hyperabrupt junctions. the standard capacitance tolerance is 10%, with tighter tolerances available. capacitance matching at one or more bias voltages is also available. all diode types are available in a wide selection of ceramic packages and in chip form. the constant gamma value of 1.0, 1.25 & 1.5 available with these diodes enables the circuit designer to produce significant improvements in circuit performance. constant gamma tuning varactors permit more linear vco frequency tuning than do conventional hyperabrupt tuning varactors. these varactors are particularly well suited for use in voltage tuned filters, analog phase shifters, and modulator circuits. absolute maximum ratings 1 @ t a =+25 c (unless otherwise noted) 1. operation of this device above 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 reverse voltage breakdown voltage operating temperature - 65c to +175c storage temperature 65c to +200c common case styles ods - 30 ods - 134 die typical junction capacitance vs. tuning voltage packaged tuning varactor equivalent circuit 0.1 1 10 1 10 100 gamma = 1.0 gamma = 1.25 gamma = 1.5 junction capacitance (pf) tuning voltage (v r ) + 0 v
gaas hyperabrupt varactor diode gamma = 1.0, 1.25, & 1.5 rev. v7 ma46410 thru ma46480 series 2 2 m/a - com technology solutions inc. (macom) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. visit www.macom.com for additional data sheets and product information. for further information and support please visit: https://www.macom.com/support 2 gamma = 1.0 3 MA46450 series gamma = 0.9 - 1.1, v r = 2 - 20 volts junction capacitance ratio (c j 2/c j 20) = 5.0 - 8.0 breakdown voltage @ i r = 10 a, v b = 22 v min. reverse leakage current @ v r = 1 8 v, i r = 100 na max. part number total capacitance +/ - 10% 4,5,6,7 total capacitance ratio 7 q minimum v r = 4 v f = 1 mhz v r = 2 v / 20 v v r = 4 v f = 50 mhz (pf) - - MA46450 0.5 2.0 - 3.8 4000 ma46451 0.7 2.9 - 4.4 4000 ma46452 1.0 3.6 - 5.2 3000 ma46457 2.2 4.1 - 6.1 3000 ma46461 4.7 4.8 - 7.2 1500 gamma = 1.5 3 ma46410 thru ma46425 series gamma = 1.4 - 1.6 vr = 2 - 12 volts junction capacitance ratio (c j 2/c j 12) = 6.2 - 10.8 breakdown voltage @ i r = 10 a, v b = 18 v min. reverse leakage current @ v r = 1 0 v, i r = 100 na max. gamma = 1.25 3 ma46470 thru ma46485 series gamma = 1.13 - 1.38, v r = 2 - 20 volts junction capacitance ratio (c j 2/c j 20) = 8.15 - 12.99 breakdown voltage @ i r = 10 a, v b = 22 v min. reverse leakage current @ v r = 1 8 v, i r = 100 na max. 2. all gaas tuning varactors are available in chip form. please contact factory for part number information. 3. the values guaranteed for gamma are measured on unpackaged chips. the total capacitance versus bias voltage curve will deviat e s lightly from the chip capacitance versus bias voltage curve due to the package parasitic capacitance (cp). 4. case parasitics (cp and ls) are given for most case styles along with case outlines in the appendix. 5. closer tolerances are available upon request. 6. reverse voltage (vbr) is measured at 10 microamps. 7. the total capacitance and capacitance ratios shown are for diodes housed in case style 30 with cp= 0.170 pf unless otherwise spe cified. other case styles will result in different values. 8. this part is offered in die form, shipped in a gel pack. the part number is mavr - 046479 - 01340g. electrical specifications 2 : t a = +25c part number total capacitance +/ - 10% 4,5,6,7 total capacitance ratio 7 q minimum v r = 4 v f = 1 mhz v r = 2 v / 20 v v r = 4 v f = 50 mhz (pf) - - ma46470 0.5 2.2 - 4.1 4000 ma46471 0.7 3.6 - 5.6 4000 ma46472 1.0 4.8 - 7.4 3000 ma46473 1.2 4.8 - 7.4 3000 ma46474 1.5 5.0 - 7.4 3000 ma46475 1.8 6.6 - 8.7 3000 ma46476 2.0 6.6 - 8.7 3000 ma46477 2.2 6.6 - 8.7 3000 ma46479 8 3.3 6.4 - 10.0 2000 ma46480 3.7 6.8 - 11.0 2000 ma46481 4.7 6.9 - 11.1 1500 ma46483 6.8 7.2 - 11.5 1500 ma46485 10.0 7.5 - 12.0 1500 part number total capacitance +/ - 10% 4,5,6,7 total capacitance ratio 7 q minimum v r = 4 v f = 1 mhz v r = 2 v / 12 v v r = 4 v f = 50 mhz (pf) - - ma46410 0.30 - 0.43 2.7 - 4.3 3000 ma46413 0.90 - 1.10 4.2 - 5.7 2500 ma46416 1.62 - 1.98 5.2 - 4.9 2500 ma46418 2.42 - 2.97 5.7 - 7.6 1800 ma46425 9.00 - 11.00 6.6 - 8.8 1200
gaas hyperabrupt varactor diode gamma = 1.0, 1.25, & 1.5 rev. v7 ma46410 thru ma46480 series 3 3 m/a - com technology solutions inc. (macom) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. visit www.macom.com for additional data sheets and product information. for further information and support please visit: https://www.macom.com/support 3 gamma = 1.0 total capacitance vs. reverse bias voltage (packaged parts in case style ods - 30) gamma = 1.0 junction capacitance vs. reverse bias voltage (die) typical performance curves gamma vs. reverse bias voltage 0.1 1 10 100 1000 0.1 1 10 100 MA46450 (die) junction capacitance (pf) reverse bias voltage (v r ) 0.50 0.75 1.00 1.25 1.50 1.75 2.00 0 2 4 6 8 10 12 14 16 18 20 +/-10% ma46410 series +/-10% ma46470 series +/-10% MA46450 series gamma reverse bias voltage (v r ) 0.1 1 10 100 1000 0.1 1 10 100 ma46461 ma46457 ma46451 MA46450 total capacitance (pf) reverse bias voltage (v r )
gaas hyperabrupt varactor diode gamma = 1.0, 1.25, & 1.5 rev. v7 ma46410 thru ma46480 series 4 4 m/a - com technology solutions inc. (macom) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. visit www.macom.com for additional data sheets and product information. for further information and support please visit: https://www.macom.com/support 4 typical performance curves gamma = 1.25 total capacitance vs. reverse bias voltage (packaged parts in case style ods - 30) gamma = 1.25 junction capacitance vs. reverse bias voltage (die) gamma = 1.5 total capacitance vs. reverse bias voltage (packaged parts in case style ods - 30) gamma = 1.5 junction capacitance vs. reverse bias voltage (die) 0.1 1 10 100 1000 0.1 1 10 100 ma46425 ma46418 ma46416 ma46413 ma46410 total capacitance (pf) reverse bias voltage (v r ) 0.1 1 10 100 1000 0.1 1 10 100 ma46425 ma46418 ma46416 ma46413 ma46410 junction capacitance (pf) reverse bias voltage (v r ) 0.1 1 10 100 1000 0.1 1 10 100 ma46485 ma46470 junction capacitance (pf) reverse bias voltage (v r ) 0.1 1 10 100 1000 0.1 1 10 100 ma46485 ma46483 ma46481 ma46479 ma46477 ma46475 ma46473 ma46471 ma46470 total capacitance (pf) reverse bias voltage (v r )
gaas hyperabrupt varactor diode gamma = 1.0, 1.25, & 1.5 rev. v7 ma46410 thru ma46480 series 5 5 m/a - com technology solutions inc. (macom) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. visit www.macom.com for additional data sheets and product information. for further information and support please visit: https://www.macom.com/support 5 ods - 134 typical coplanar packages case styles (dimensions are available upon request) typical coaxial packages environmental ratings per mil - std - 750 parameter method level storage temperature 1031 see absolute maximum ratings temperature cycle 1051 10 cycles, - 65c to +175c shock 2016 500 gs vibration 2056 15 gs
gaas hyperabrupt varactor diode gamma = 1.0, 1.25, & 1.5 rev. v7 ma46410 thru ma46480 series 6 6 m/a - com technology solutions inc. (macom) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice. visit www.macom.com for additional data sheets and product information. for further information and support please visit: https://www.macom.com/support 6 m/a - com technology solutions inc. all rights reserved. information in this document is provided in connection with m/a - com technology solutions inc ("macom") products. these materials are provided by macom as a service to its customers and may be used for informational purposes only. except as provided in macom's terms and conditions of sale for such products or in any separate agreement related to this document, macom assumes no liability whatsoever. macom assumes no responsibility for errors or omissions in these materials. macom may make changes to specifications and product descriptions at any time, without notice. macom makes no commitment to update the information and shall have no responsibility whatsoever for conflicts or incompatibilities arising from future changes to its specifications and product descriptions. no license, express or implied, by estoppels or otherwise, to any intellectual property rights is granted by this document. these materials are provided "as is" without warranty of any kind, either express or implied, relating to sale and/or use of macom products including liability or warranties relating to fitness for a particular purpose, consequential or incidental damages, merchantability, or infringement of any patent, copyright or other intellectual property right. macom further does not warrant the accuracy or completeness of the information, text, graphics or other items contained within these materials. macom shall not be liable for any special, indirect, incidental, or consequential damages, including without limitation, lost revenues or lost profits, which may result from the use of these materials. macom products are not intended for use in medical, lifesaving or life sustaining applications. macom customers using or selling macom products for use in such applications do so at their own risk and agree to fully indemnify macom for any damages resulting from such improper use or sale.
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