bipolarics, inc. part number bm8 product data sheet silicon bipolar mmic frequency converter features: up or down conversion with conversion gain rf input from 0.5 to 8.0 ghz low phase noise self-oscillating lo with external tank down converted if output from dc to 2.0 ghz symbol parameters/conditions units min typ max vswr 2 port active mixer self oscillating mixer electrical specifications: t a = 25 o c, i d = 36 ma, z 0 = 50 ? , rf in = 4.2 ghz @ -20 dbm, lo in = 5.15 g @ +5 dbm injected at pin 1 g c conversion gain i f = 950 mhz db 6.5 9.0 p 1db if power output at 1 db compression dbm 9.0 ip 3 if 3rd order intercept point dbm 16.0 nf single sideband noise figure f = 4.2 ghz db 12.5 input vswr f = 0.5 to 5.0 ghz 2.4:1 output vswr f = 0.5 to 5.0 ghz 2.0:1 v d device voltage at pin 3 v 7.0 7.8 8.5 dv/dt device voltage temperature coefficient mv/ c -17.0 description and applications: bipolarics' bm8 is a silicon bipolar mmic which func- tions as a frequency converter for input frequencies (rf and lo) as high as 8.0 ghz and if output frequencies as high as 2.0 ghz. depending on input frequency either up conversion or down conversion if possible. at low vhf conversion gain is as high as 20 db. typical conversion gain at microwave frequencies is 6-10 db depending on rf and if. rf and lo signals can be injected at the device input. the bm8 will self oscillate with a resonant feedback (lc, dielectric resonator, etc.) from output to input. lo- rf and lo-if rejection can be achieved with simple external filters. conversion gain is very consistent. the bm8 is well suited to cost or size constrained applica- tions such as satellite matv and tvro block convert- ers, gps navigation and inmarsat receivers, communi- cations and radar systems. biasing requires only a fixed positive supply greater than 8.5v and an external current stabilizing resistor. the bm8 is available in a 0.070" hermetic stripline, 0.085" hermetic micro-x or low cost 0.085" plastic micro-x package.
typical s parameters: bias condition: v ce = 7.8 v, i c = 36ma s-matrix: z s = 50.0 + j 0.0 z l = 50.0 + j 0.0 freq. s11 s21 s12 s22 s21 ghz mag ang mag ang mag ang mag ang db silicon bipolar mmic frequency converter page 2 bipolarics, inc. part number bm8 14j package: sot-143j 14 package: sot-143 0.20 0.3162 -59 29.17 147 0.0298 45 0.4073 -82 29.3 0.50 0.2398 -111 15.13 118 0.0524 58 0.3388 -136 23.6 1.00 0.3090 -161 8.511 91 0.0803 62 0.3427 -153 18.6 1.50 0.2398 -162 6.165 82 0.1244 68 0.3427 -160 15.8 2.00 0.3235 170 4.623 70 0.1496 64 0.3672 -161 13.3 2.50 0.5370 164 4.073 60 0.1778 60 0.3715 -165 12.2 3.00 0.4265 158 3.388 53 0.2065 56 0.3019 -158 10.6 3.50 0.6025 158 0.3019 42 0.2137 58 0.2951 -155 9.6 4.00 0.5370 164 2.722 38 0.2238 63 0.3162 -130 8.7
bipolarics, inc. part number bm 8 page 3 04 package: 0. 145 " plastic macro-x 85 package: 0. 0 85 " plastic micro-x silicon bipolar mmic frequency converter .020 .51 5 .065 2.15 .008+.002 .20+.050 1 2 3 4 .215+.010 5.46+.25 .020 .51 .60+0.10 1.52+.26 87 package: 0. 0 85 " plastic micro-x short lead 86 package: 0. 0 85 " plastic micro-x, surface mount 0.02 .51 0.008+0.002 0.203+0.051 0.032+0.015 2.34+0.38 .020+.010 0.51+.25 0.106+0.015 2.67+0.38 0.026+0.001 0.66+0.13 0.085+0.005 2.16+0.13 0.060+0.01 1.52+0.25 1 2 3 4
bipolarics, inc. part number bm8 page 4 35 package: 0.085" ceramic micro-x lead 1 2 3 4 silicon bipolar base emitter collector emitter transistor 70 package: 0.070" hermetic stripline notes: (unless otherwise specified) 1. dimensions are in 2. tolerances: in .xxx = .005 mm .xx = .13 3. all dimensions nominal; subject to change without notice mm ( ) bipolarics, inc. 602 charcot ave. san jose, ca 95131 phone: (408) 456-0430 fax: (408 ) 456-0431 silicon bipolar mmic frequency converter
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