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EL4094CS Datasheet(PDF) 11 Page - Elantec Semiconductor |
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EL4094CS Datasheet(HTML) 11 Page - Elantec Semiconductor |
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11 / 12 page ![]() EL4094C Video Gain ControlFader EL4094C Macromodel This macromodel is offered to allow simulation of general EL4094 behavior We have included these characteristics Small-signal frequency response Output loading effects Input impedance Off-channel feedthrough Output impedance over frequency Signal path DC distortions VGAIN I-V characteristics VGAIN overdrive recovery delay 100% gain error These will give a good range of results for various operating conditions but the macromodel does not behave identically as the circuit in these ar- eas Temperature effects Signal overload effects Signal and VG operating range Current-limit Video and high-frequency distortions Supply voltage effects Slewrate limitations Noise Power supply interactions The macromodel’s netlist is based on the Pspice simulator (copywritten by the Microsim Compa- ny) Other simulators may not support the POLY function which is used to implement mul- tiplication as well as square-low nonlinearities VINB l VOUT ll VG lll VG lll l VINA lll l l subckt EL4094subckt (1 4 6 7 8) ROL 810 0 290k Ccomp 810 0 35p G1 10 0 810 0 b10 ROUT 10 0 01 LOUT 10 4 350200n RLOUT 10480 r1 10 910 10 c1 910 911 300p r2 911 0 90 Input channel A RINA 22 910 16k ra 11 0 1k Cfeedthrougha 23 8 130p Rfeedthrougha 8 22 10 Ela 23 22 1 0 10 Rspice3 23 22 1E12 G1a 11 0 POLY(1) (22 910) 00 0001 b3Eb6 G2a 810 0 POLY(2) (110) (13 0) 00 00 00 00 0001 Input channel B RINB 25 910 16k rb 20 0 1k Cfeedthroughb 24 1 130p Rfeedthroughb 1 25 10 E1b 24 25 8 0 10 Rspice4 24 25 1E12 G1b 20 0 POLY(1) (25 910) 00 0001 b3Eb6 G2b 810 0 POLY(2) (200) (19 0) 00 00 00 00 0001 Gain control Rspice1 13 0 1E12 Rspice2 18 0 1E12 R10 14 0 1E7 C10 14 0 8Eb16 D1 14 15 Dclamp D2 16 14 Dclamp model Dclamp D (TTe200n) V1 15 0 49993 V2 0 16 49993 V3 13 17 05 V4 19 18 05 G10 14076 b0001 G1176140 b2Eb8 E10 1701401Eb4 E11 180140 b1Eb4 ends 11 |
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