Version 4 SHEET 1 3772 1588 WIRE 208 400 208 368 WIRE 208 512 208 480 WIRE 272 368 208 368 WIRE 608 -32 608 -64 WIRE 608 80 608 48 WIRE 624 208 592 208 WIRE 640 368 352 368 WIRE 688 368 640 368 WIRE 736 -64 608 -64 WIRE 736 -32 736 -64 WIRE 736 80 736 48 WIRE 736 208 688 208 WIRE 736 208 736 160 WIRE 736 288 736 208 WIRE 736 400 736 384 WIRE 736 512 736 400 WIRE 768 336 736 336 WIRE 768 400 736 400 WIRE 768 400 768 336 WIRE 928 208 736 208 FLAG 736 512 0 FLAG 208 512 0 FLAG 608 80 0 FLAG 928 208 out IOPIN 928 208 Out FLAG 208 368 in0 FLAG 640 368 gate FLAG 592 208 0 SYMBOL nmos4 688 288 R0 WINDOW 0 63 23 Left 0 WINDOW 3 96 58 Left 0 WINDOW 123 98 85 Left 0 WINDOW 39 98 115 Left 0 SYMATTR InstName M1 SYMATTR Value CMOSN SYMATTR Value2 L=.5u SYMATTR SpiceLine W=500u SYMBOL res 720 -48 R0 SYMATTR InstName R1 SYMATTR Value 10 SYMBOL voltage 608 -48 R0 SYMATTR InstName VCC SYMATTR Value 1.5 SYMBOL voltage 208 384 R0 WINDOW 123 24 132 Left 0 WINDOW 39 0 0 Left 0 SYMATTR Value2 AC 1 SYMATTR InstName Vin SYMATTR Value 1.5 SYMBOL res 256 384 R270 WINDOW 0 32 56 VTop 0 WINDOW 3 0 56 VBottom 0 SYMATTR InstName Rs SYMATTR Value 50 SYMBOL ind 720 64 R0 SYMATTR InstName L1 SYMATTR Value 10n SYMBOL cap 624 224 R270 WINDOW 0 32 32 VTop 0 WINDOW 3 0 32 VBottom 0 SYMATTR InstName C1 SYMATTR Value 0.1p TEXT 56 640 Left 0 !.MODEL cmosN NMOS ( LEVEL = 49\n+VERSION = 3.1 TNOM = 27 TOX = 5.7E-9\n+XJ = 1E-7 NCH = 2.3549E17 VTH0 = 0.3947121\n+K1 = 0.4871952 K2 = 6.534234E-4 K3 = 1E-3\n+K3B = 2.3667749 W0 = 1E-7 NLX = 1.761787E-7\n+DVT0W = 0 DVT1W = 0 DVT2W = 0\n+DVT0 = 0.4750387 DVT1 = 0.7167578 DVT2 = -0.5\n+U0 = 284.9619057 UA = -1.395955E-9 UB = 2.554185E-18\n+UC = 3.578139E-11 VSAT = 1.184948E5 A0 = 1.8462604\n+AGS = 0.3245859 B0 = -5.120343E-8 B1 = 3.807968E-7\n+KETA = -7.543236E-3 A1 = 0 A2 = 0.57339\n+RDSW = 187.239594 PRWG = 0.2548216 PRWB = -0.2\n+WR = 1 WINT = 0 LINT = 0\n+XL = 0 XW = -4E-8 DWG = -2.135935E-8\n+DWB = 5.414732E-10 VOFF = -0.0941243 NFACTOR = 1.5882983\n+CIT = 0 CDSC = 2.4E-4 CDSCD = 0\n+CDSCB = 0 ETA0 = 5.380572E-3 ETAB = 2.066146E-4\n+DSUB = 0.0275083 PCLM = 1.6424762 PDIBLC1 = 0.7916946\n+PDIBLC2 = 2.763095E-3 PDIBLCB = -0.0455158 DROUT = 1\n+PSCBE1 = 8E10 PSCBE2 = 5.040152E-10 PVAG = 4.684584E-3\n+DELTA = 0.01 RSH = 4.2 MOBMOD = 1\n+PRT = 0 UTE = -1.5 KT1 = -0.11\n+KT1L = 0 KT2 = 0.022 UA1 = 4.31E-9\n+UB1 = -7.61E-18 UC1 = -5.6E-11 AT = 3.3E4\n+WL = 0 WLN = 1 WW = 0\n+WWN = 1 WWL = 0 LL = 0\n+LLN = 1 LW = 0 LWN = 1\n+LWL = 0 CAPMOD = 2 XPART = 0.5\n+CGDO = 5.65E-10 CGSO = 5.65E-10 CGBO = 1E-12\n+CJ = 1.704196E-3 PB = 0.99 MJ = 0.4427983\n+CJSW = 4.066433E-10 PBSW = 0.99 MJSW = 0.3305103\n+CJSWG = 3.29E-10 PBSWG = 0.99 MJSWG = 0.3305103\n+CF = 0 PVTH0 = -8.480748E-3 PRDSW = -10\n+PK2 = 4.592201E-3 WKETA = 9.236742E-3 LKETA = -5.337631E-3) TEXT 80 16 Left 0 !.NOISE V(out) Vin OCT 20 .3G 5G TEXT 1080 640 Left 0 ;.MODEL cmosP PMOS ( LEVEL = 49\n+VERSION = 3.1 TNOM = 27 TOX = 5.7E-9\n+XJ = 1E-7 NCH = 4.1589E17 VTH0 = -0.5692952\n+K1 = 0.6329593 K2 = 3.31136E-3 K3 = 0\n+K3B = 10.0495724 W0 = 1E-6 NLX = 2.593094E-9\n+DVT0W = 0 DVT1W = 0 DVT2W = 0\n+DVT0 = 2.2788215 DVT1 = 0.893545 DVT2 = -0.2191827\n+U0 = 101.0707456 UA = 1.005492E-9 UB = 1.453697E-21\n+UC = -1E-10 VSAT = 1.601817E5 A0 = 1.0547444\n+AGS = 0.1420361 B0 = 2.459709E-7 B1 = 1.098826E-6\n+KETA = 9.849512E-3 A1 = 0.0221158 A2 = 0.3\n+RDSW = 1.342238E3 PRWG = 0.0446424 PRWB = -0.1523142\n+WR = 1 WINT = 0 LINT = 3.090192E-8\n+XL = 0 XW = -4E-8 DWG = -4.189629E-8\n+DWB = -5.14862E-10 VOFF = -0.1305306 NFACTOR = 1.1033378\n+CIT = 0 CDSC = 2.4E-4 CDSCD = 0\n+CDSCB = 0 ETA0 = 0.8059996 ETAB = -0.3516611\n+DSUB = 1.5 PCLM = 1.3642798 PDIBLC1 = 8.469354E-3\n+PDIBLC2 = 4.795979E-6 PDIBLCB = -8.502553E-4 DROUT = 0.1287737\n+PSCBE1 = 1.513756E10 PSCBE2 = 3.742973E-9 PVAG = 0.0150097\n+DELTA = 0.01 RSH = 3 MOBMOD = 1\n+PRT = 0 UTE = -1.5 KT1 = -0.11\n+KT1L = 0 KT2 = 0.022 UA1 = 4.31E-9\n+UB1 = -7.61E-18 UC1 = -5.6E-11 AT = 3.3E4\n+WL = 0 WLN = 1 WW = 0\n+WWN = 1 WWL = 0 LL = 0\n+LLN = 1 LW = 0 LWN = 1\n+LWL = 0 CAPMOD = 2 XPART = 0.5\n+CGDO = 6.3E-10 CGSO = 6.3E-10 CGBO = 1E-12\n+CJ = 1.866847E-3 PB = 0.9857691 MJ = 0.4683762\n+CJSW = 3.291715E-10 PBSW = 0.8 MJSW = 0.3834431\n+CJSWG = 2.5E-10 PBSWG = 0.8 MJSWG = 0.3834431\n+CF = 0 PVTH0 = 5.865818E-3 PRDSW = -5.7477355\n+PK2 = 2.696131E-3 WKETA = 0.0291126 LKETA = -6.271743E-3) TEXT 80 -664 Left 0 ;http://www.odyseus.nildram.co.uk/RFIC_Theory_Files/Noise_Tutorial.pdf\n \n \nNoise Figure (NF): This is the Signal-to-Noise Ratio (SNR)\nat the input port divided by the SNR at the output port. \nThis is a measure of how much noise has been added to\nyour signal due to this circuit. \n \nNoise Factor: F = total_noise_power_referred_to_in0 / noise_power_Rs\nNoise Factor: F = total_noise_power_out / gain / noise_power_Rs\ngain = V(out) / V(in0)\n \n(LT-)SPICE: \nNoise Factor: F = V(inoise)*V(inoise)/(4*K*T*Rs)\nNoise Factor: F = V(inoise)*V(inoise)/(4*K*300*50)\nNoise Figure: NF= 10*log10(F)\n \nHint: This gain definition is only for noise analysis\ngain=V(out)/V(in0) TEXT 1080 8 Left 0 ;http://www.odyseus.nildram.co.uk/RFIC_Theory_Files/Noise_Tutorial.pdf\nhttp://www.geocities.com/fudinggerf/EE314/NoiseFgMeasure.pdf\nhttp://www.ece.msstate.edu/~winton/classes/ece3254/supplements/ch22.pdf\nhttp://www.ece.msstate.edu/~winton/classes/ece3254/hw/Noise1.pdf\nhttp://www.semiconductors.philips.com/acrobat_download/other/\ndiscretes/philips_rf_manual_6th_edition_appendix.pdf\nhttp://www-smirc.stanford.edu/papers/aacd98p-tom.pdf\nhttp://www.spectrum-soft.com/news/fall97/noise.shtm\nhttp://smirc.stanford.edu/spiralcalc.html\nhttp://www.seas.upenn.edu/~jan/spice/spice.overview.html\nhttp://www.users.bigpond.net.au/vk3yng/sim_tools/simulation_tools1.htm TEXT 1080 368 Left 0 ;* Original Netlist\nvin in 0 ac dc=1.5\nrs in gate 50\nm1 drain gate 0 0 cmosn w=500u l=.5u\nc_out drain 0 .1p\nld drain x1 10n\nrd x1 1 10\nvdd 1 0 1.0 TEXT 80 80 Left 0 ;.AC DEC 30 .3G 5G TEXT 152 304 Left 0 ;Source TEXT 784 192 Left 0 ;drain TEXT 1096 -376 Left 0 ;NOISE FACTOR F\nF = (Pnoise(out)/gain)/Pnoise(Rs) \nF = V(inoise)*V(inoise) / (4*K*T*Rs)\nF = V(inoise)*V(inoise)/(4*K*300*50)\n \nNOISE FIGURE NF\nNF = 10 * log10(N)\nNF = 10*log10(V(inoise)*V(inoise)/(4*K*300*50))\n \nHint: This gain definition is only for noise analysis\ngain=V(out)/V(in0)\nWhy T=290K? K*T = 4e-21 @T=290Kelvin K is Boltz-constant TEXT 1104 -664 Left 0 ;Plot 10*log10(V(inoise)*V(inoise)/(4*K*300*50)) to get NF.\nPlot V(inoise)*V(inoise)/(4*K*300*50)/1V/1V*1Hz to get F.\nThis additional expression /1V/1V*1Hz removes the V^2/Hz \nfrom the y-axis values.\n \nEnable the expanded report (Error Log File) to get the DC \n(.op) operating point information.\nControl Panel -> Operation Generate Expanded Listing TEXT 80 48 Left 0 !.OP RECTANGLE Normal 144 560 384 288 RECTANGLE Normal 1958 -43 1080 -400 RECTANGLE Normal 896 560 544 -96