* AD633 Analog Multiplier Macro Model 12/93, Rev. A * AAG/PMI * * Copyright 1993 by Analog Devices, Inc. * * Refer to "README.DOC" file for License Statement. Use of this model * indicates your acceptance with the terms and provisions in the License Statement. * * Node assignments * X1 * | X2 * | | Y1 * | | | Y2 * | | | | VNEG * | | | | | Z * | | | | | | W * | | | | | | | VPOS * | | | | | | | | .SUBCKT AD633 1 2 3 4 5 6 7 8 * EREF 100 0 POLY(2) 8 0 5 0 (0,0.5,0.5) * * X-INPUT STAGE & POLE AT 15 MHz * IBX1 1 0 DC 8E-7 IBX2 2 0 DC 8E-7 EOSX 10 1 POLY(1) (16,100) (5E-3,1) RX1A 10 11 5E6 RX1B 11 2 5E6 * GX 100 12 10 2 1E-6 RX 12 100 1E6 CX 12 100 1.061E-14 VX1 8 13 DC 3.05 DX1 12 13 DX VX2 14 5 DC 3.05 DX2 14 12 DX * * COMMON-MODE GAIN NETWORK WITH ZERO AT 560 Hz * ECMX 15 100 11 100 10 RCMX1 15 16 1E6 CCMX 15 16 2.8421E-10 RCMX2 16 100 1 * * Y-INPUT STAGE & POLE AT 15 MHz * IBY1 3 0 DC 8E-7 IBY2 4 0 DC 8E-7 EOSY 20 3 POLY(1) (26,100) (5E-3,1) RY1A 20 21 5E6 RY1B 21 4 5E6 * GY 100 22 20 4 1E-6 RY 22 100 1E6 CY 22 100 1.061E-14 VY1 8 23 DC 3.05 DY1 22 23 DX VY2 24 5 DC 3.05 DY2 24 22 DX * * COMMON-MODE GAIN NETWORK WITH ZERO AT 560 Hz * ECMY 25 100 21 100 10 RCMY1 25 26 1E6 CCMY 25 26 2.8421E-10 RCMY2 26 100 1 * * Z-INPUT STAGE & POLE AT 15 MHz * IBZ1 7 0 DC 8E-7 IBZ2 6 0 DC 8E-7 RZ1 7 6 10E6 * GZ 100 32 7 6 1E-6 RZ2 32 100 1E6 CZ 32 100 1.061E-14 VZ1 8 33 DC 3.05 DZ1 32 33 DX VZ2 34 5 DC 3.05 DZ2 34 33 DX * * 50-MHz MULTIPLIER CORE & SUMMER * GXY 100 40 POLY(2) (12,100) (22,100) (0,0,0,0,0.1E-6) RXY 40 100 1E6 CXY 40 100 3.1831E-15 * * OP AMP INPUT STAGE * VOOS 59 40 DC 5E-3 Q1 55 32 60 QX Q2 56 59 61 QX R1 8 55 3.1831E4 R2 60 54 3.1313E4 R3 8 56 3.1831E4 R4 61 54 3.1313E4 I1 54 5 1E-4 * * GAIN STAGE & DOMINANT POLE AT 316.23 Hz * G1 100 62 55 56 3.141637E-5 R5 62 100 1.0066E8 C3 62 100 5E-12 V1 8 63 DC 4.3399 D1 62 63 DX V2 64 5 DC 4.3399 D2 64 62 DX * * NEGATIVE ZERO AT 20 MHz * ENZ 65 100 62 100 1E6 RNZ1 65 66 1 FNZ 65 66 VNC -1 RNZ2 66 100 1E-6 ENC 67 0 65 66 1 CNZ 67 68 7.9577E-9 VNC 68 0 DC 0 * * POLE AT 4 MHz * G2 100 69 66 100 1E-6 R6 69 100 1E6 C2 69 100 3.9789E-14 * * OP AMP OUTPUT STAGE * FSY 8 5 POLY(2) VZC1 VZC2 (2.8286E-3,1,1) RDC 8 5 28E3 GZC 100 73 72 69 11.623E-3 VZC1 74 100 DC 0 DZC1 73 74 DX VZC2 100 75 DC 0 DZC2 75 73 DX VSC1 70 72 0.695 DSC1 69 70 DX VSC2 72 71 0.695 DSC2 71 69 DX GO1 72 8 8 69 11.623E-3 RO1 8 72 86 GO2 5 72 69 5 11.623E-3 RO2 72 5 86 LO 72 7 1E-7 * * MODELS USED * .MODEL QX NPN(BF=1E4) .MODEL DX D(IS=1E-15) .ENDS AD633