skyworks solutions, inc. [781] 376-3000 ? fax [781] 376-3100 ? email sales@skyworksinc.com ? www.skyworksinc.com 1 specifications subject to change without notice. 5/03a gaas hyperabrupt junction varactor diodes features constant gamma of 1.0 and 1.25 highly linear frequency tuning constant modulation sensitivity lower series resistance and higher q in comparison to equivalent silicon hyperabrupt varactors gmv7811, gmv7821 gmv9801, gmv9821, gmv9822 description this series of gaas hyperabrupt varactor diodes features a constant gamma of 1.0 and 1.25, which allows for a relatively linear frequency tuning for vcos, modulators and tunable filters. varactors in this series are grown by mbe (molecular beam epitaxy), which allows monolayer control of the doping profile. this translates to superb wafer- to-wafer uniformity. the series resistance is lower, and q is higher when compared to an equivalent silicon hyperabrupt varactor. these diodes are suited for applications at x band frequencies and above, where wide change in frequency is desired. however, in certain applications the gaas hyperabrupt varactor exhibits a higher surface noise in comparison to an equivalent silicon varactor. 0.026 (0.66 mm) 0.001 (0.025 mm) 0.013 (0.33 mm) 0.001 (0.025 mm) 0.005 (0.13 mm) 0.001 (0.025 mm) 0.013 (0.33 mm) 0.001 (0.025 mm) 0.004 (0.10 mm) 0.001 (0.025 mm) max. 0.008 (0.20 mm) 0.001 (0.025 mm) outline drawings 540-011 metallized back contact gold 0.010 (0.25 mm) 0.001 (0.025 mm) metallized gold dot 0.0011 (0.0279 mm) min. dia. 0.010 (0.25 mm) 0.001 (0.025 mm) 0.005 (0.13 mm) nom. 150-808 flip chip chip characteristic value reverse voltage (v r ) 18 v forward current (i f ) 100 ma power dissipation at 25c 250 mw operating temperature (t op ) -55c to +150c storage temperature (t st ) -65c to +200c absolute maximum ratings
gaas hyperabrupt junction varactor diodes 2 skyworks solutions, inc. [781] 376-3000 ? fax [781] 376-3100 ? email sales@skyworksinc.com ? www.skyworksinc.com specifications subject to change without notice. 5/03a gmv7811, gmv7821, gmv9801, gmv9821, gmv9822 junction v b i r capacitance c j @ 2 v outline part @ 10 a @ 14.4 v c j @ 4 v c j @ 12 v q @ 4 v drawing number (v) (na) (pf) (ratio) 50 mhz number min. max. min. max. min. max. typ. GMV7811-000 18 100 2?12 0.4 0.6 3.63 4.43 4000 150-808 junction v b i r capacitance c j @ 2 v outline part @ 10 a @ 14.4 v c j @ 4 v c j @ 12 v q @ 4 v drawing number (v) (na) (pf) (ratio) 50 mhz number min. max. min. max. min. max. typ. gmv7821-000 18 100 0.4 0.6 3.30 4.10 4000 540-011 gaas hyperabrupt junction varactor chips gamma = 1.0 electrical characteristics gaas hyperabrupt junction varactor flip chips gamma = 1.0 v b i r junction c j @ 2 v outline part @ 10 a @ 14.4 v capacitance c j @ 12 v q @ 4 v drawing number (v) (na) (pf) (ratio) 50 mhz number min. max. min. max. min. max. typ. gmv9801-000 18 100 2?12 0.3 0.4 5.14 6.28 4000 150-808 junction v b i r capacitance c j @ 2 v outline part @ 10 a @ 14.4 v c j @ 4 v c j @ 12 v q @ 4 v drawing number (v) (na) (pf) (ratio) 50 mhz number min. max. min. max. min. max. typ. gmv9821-000 18 100 0.3 0.4 4.30 5.27 4000 540-011 gmv9822-000 18 100 0.4 0.6 4.53 5.55 3500 540-011 gamma = 1.25 ? available through distribution. gamma = 1.25 typical voltage range of gamma (v) typical voltage range of gamma (v)
gaas hyperabrupt junction varactor diodes skyworks solutions, inc. [781] 376-3000 ? fax [781] 376-3100 ? email sales@skyworksinc.com ? www.skyworksinc.com 3 specifications subject to change without notice. 5/03a gmv7811, gmv7821, gmv9801, gmv9821, gmv9822 part c j0 v j mc p number (pf) (v) (pf) gmv7811 1.38 5.20 2.10 0.080 gmv9801 1.12 5.50 2.30 0.030 gmv7821 1.33 5.20 2.00 0.080 gmv9821 1.07 5.50 2.40 0.060 gmv9822 1.55 5.50 2.40 0.080 typical capacitance values spice model gmv7811 gmv9801 gmv7821 gmv9821 gmv9822 v r (v) c j (pf) c j (pf) c j (pf) c j (pf) c j (pf) 0 1.38 1.12 1.33 1.07 1.55 1 1.03 0.84 1.01 0.81 1.17 2 0.80 0.63 0.79 0.61 0.88 3 0.62 0.45 0.61 0.45 0.64 4 0.50 0.35 0.50 0.35 0.50 5 0.42 0.28 0.42 0.29 0.41 6 0.36 0.23 0.37 0.24 0.34 7 0.32 0.20 0.33 0.21 0.30 8 0.28 0.17 0.30 0.19 0.26 9 0.26 0.15 0.27 0.17 0.23 10 0.23 0.14 0.25 0.15 0.21 11 0.22 0.12 0.23 0.14 0.19 12 0.20 0.11 0.21 0.13 0.18 1. values extracted from measured performance. diode varactor_diode area = 1 model = diode_model mode = nonlinear res r s r = r s cap c p c = c p port p_anode port = 1 port p_cathode port = 2 diodem diode_model i s = 1.00e-14 0.5e-12 r s = 0 n = 1 t t = 0 c jo = c jo m = m v j = v j e g = 1.11 1.43 x ti = 3 2 k f =0 a f =1 f c = 0.5 b v = 0 i bv = 1e-3 i sr = 0 n r = 2 i kf = 0 n bv = 1 i bvl = 0 n bvl = 1 t bv1 = 0 t nom = 27 f fe = 1 c v = + c p 1+ c j0 m v r v j
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