+----------------------------------------------------------+ | | | GeV to Volts | | -------------- | | | | ENERGY DEPOSITED in the CALORIMETER to PREAMP OUTPUT | +----------------------------------------------------------+ 8-FEB-1989 20,21-JUNE-1989 1,4-AUG-1989 Information relative to Sampling Fractions: --------------------------------------------- CC: EM1: 2 x 3mm U, 4 x 0.090" Argon, 2 x 0.050" G-10, 2 x 1.5 mil Cu EM2: 2 x 3mm U, 4 x 0.090" Argon, 2 x 0.050" G-10, 2 x 1.5 mil Cu EM3: 7 x 3mm U, 14 x 0.090" Argon, 7 x 0.050" G-10, 7 x 1.5 mil Cu EM4: 10 x 3mm U, 20 x 0.090" Argon, 10 x 0.050" G-10, 10 x 1.5 mil Cu FH1: 21 x 6mm U, 42 x 0.090" Argon, 21 x 0.050" G-10, 21 x 1.5 mil Cu FH2: 16 x 6mm U, 32 x 0.090" Argon, 16 x 0.050" G-10, 16 x 1.5 mil Cu FH3: 13 x 6mm U, 26 x 0.090" Argon, 13 x 0.050" G-10, 13 x 1.5 mil Cu CH: 9 x 1.83" Cu, 18 x 0.090" Argon, 9 x 0.050" G-10, 9 x 1.5 mil Cu EC: EM1: 2 x 0.062" Fe, 4 x 0.091" Argon, 2 x 0.158" G-10, 2 x 0.006" Cu EM2: 2 x 0.157" U, 4 x 0.091" Argon, 2 x 0.158" G-10, 2 x 0.006" Cu EM3: 6 x 0.157" U, 12 x 0.091" Argon, 6 x 0.158" G-10, 6 x 0.006" Cu EM4: 1 x 0.800" + 2 x 0.062" Fe, 6 x 0.157" U, 16 x 0.091" Argon, 8 x 0.158" G-10, 8 x 0.006" Cu IHF1: 1 x 1.250" Fe, 15 x 0.236" U, 32 x 0.085" Argon, 16 x 0.168" G-10, 16 x 0.0015" Cu IHF2: 1 x 0.750" Fe, 15 x 0.236" U, 32 x 0.085" Argon, 16 x 0.168" G-10, 16 x 0.0015" Cu IHF3: 1 x 0.750" Fe, 15 x 0.236" U, 32 x 0.085" Argon, 16 x 0.168" G-10, 16 x 0.0015" Cu IHF4: 1 x 0.750" Fe, 15 x 0.236" U, 32 x 0.085" Argon, 16 x 0.168" G-10, 16 x 0.0015" Cu IHC: 12 x 1.830" Fe, 24 x 0.085" Argon, 12 x 0.168" G-10, 64 x 0.0015" Cu MFH1: 14 x 0.236" U, 30 x 0.0865"Argon, 15 x 0.051" G-10 1 x 0.066" G-10, 15 x 0.0015"Cu, 1 x 1.000" Fe MFH2: 15 x 0.236" U, 30 x 0.0865"Argon, 15 x 0.051" G-10 1 x 0.066" G-10, 15 x 0.0015"Cu, MFH3: 15 x 0.236" U, 30 x 0.0865"Argon, 15 x 0.051" G-10 1 x 0.066" G-10, 15 x 0.0015"Cu, MFH4: 15 x 0.236" U, 30 x 0.0865"Argon, 15 x 0.051" G-10 1 x 0.066" G-10, 15 x 0.0015"Cu, MCH: 14 x 1.830" Fe, 28 x 0.0865"Argon, 14 x 0.051" G-10 1 x 0.066" G-10, 14 x 0.0015"Cu, OH: ?? INFORMATION ABOUT THE MATERIALS IN THE CALORIMETER ---------------------------------------------------- MATERIAL DELTA E (MeV/gm/cm2) DENSITY (gm/cm3) ---------- -------------------- ---------------- Uranium 1.09 18.95 Liq. Argon 1.51 1.40 G-10 1.87 1.70 Cu 1.26 8.96 Fe 1.48 7.87 CALCULATION OF THE SAMPLING FRACTION OF THE VARIOUS CALORIMETERS ------------------------------------------------------------------ CALCULATIONS FOR THE CENTRAL CALORIMETER ------------------------------------------ CALCULATION FOR CC EM1 SECTION: ----------------======--------- MATERIAL THICKNESS gm/cm2 DELTA E (MeV) -------- --------- -------- ------------- Uranium 0.6 cm 11.37 12.393 Liq. Argon 0.914 cm 1.2796 1.9322 G10 0.254 cm 0.4318 0.8075 Copper 0.0076 cm 0.0681 0.0858 ---------- Total Delta Energy for a CC EM1 Section = 15.22 Fraction of the Total Delta Energy due to Liq. Argon = 12.7% CALCULATION FOR CC EM2 SECTION: ----------------======--------- MATERIAL THICKNESS gm/cm2 DELTA E (MeV) -------- --------- -------- ------------- Uranium 0.6 cm 11.37 12.393 Liq. Argon 0.914 cm 1.2796 1.9322 G10 0.254 cm 0.4318 0.8075 Copper 0.0076 cm 0.0681 0.0858 ---------- Total Delta Energy for a CC EM2 Section = 15.22 Fraction of the Total Delta Energy due to Liq. Argon = 12.7% CALCULATION FOR CC EM3 SECTION: ----------------======--------- MATERIAL THICKNESS gm/cm2 DELTA E (MeV) -------- --------- -------- ------------- Uranium 2.1 cm 39.795 43.3755 Liq. Argon 3.2 cm 4.4786 6.7627 G10 0.889 cm 1.5113 2.6262 Copper 0.0266 cm 0.2384 0.3003 ---------- Total Delta Energy for a CC EM3 Section = 53.26 Fraction of the Total Delta Energy due to Liq. Argon = 12.7% CALCULATION FOR CC EM4 SECTION: ----------------======--------- MATERIAL THICKNESS gm/cm2 DELTA E (MeV) -------- --------- -------- ------------- Uranium 3.0 cm 56.85 61.965 Liq. Argon 4.57 cm 6.398 9.661 G10 1.27 cm 2.1598 4.0375 Copper 0.038 cm 0.3405 0.429 ---------- Total Delta Energy for a CC EM4 Section = 76.09 Fraction of the Total Delta Energy due to Liq. Argon = 12.7% CALCULATION FOR CC FH1 SECTION: ----------------======--------- MATERIAL THICKNESS gm/cm2 DELTA E (MeV) -------- --------- -------- ------------- Uranium 12.6 cm 238.77 260.259 Liq. Argon 9.6012 cm 13.44 20.297 G10 2.667 cm 4.54 8.478 Copper 0.0800 cm 0.72 0.903 ---------- Total Delta Energy for a CC FH1 Section = 289.93 Fraction of the Total Delta Energy due to Liq. Argon = 7.00% CALCULATION FOR CC FH2 SECTION: ----------------======--------- MATERIAL THICKNESS gm/cm2 DELTA E (MeV) -------- --------- -------- ------------- Uranium 9.6 cm 181.92 198.29 Liq. Argon 7.3152 cm 10.24 15.46 G10 2.032 cm 3.45 6.46 Copper 0.0610 cm 0.55 0.69 ---------- Total Delta Energy for a CC FH2 Section = 220.90 Fraction of the Total Delta Energy due to Liq. Argon = 7.00% CALCULATION FOR CC FH3 SECTION: ----------------======--------- MATERIAL THICKNESS gm/cm2 DELTA E (MeV) -------- --------- -------- ------------- Uranium 7.8 cm 147.81 161.1129 Liq. Argon 5.9436 cm 8.3201 12.5633 G10 1.651 cm 2.8067 5.2485 Copper 0.0495 cm 0.4435 0.5588 ---------- Total Delta Energy for a CC FH3 Section = 179.48 Fraction of the Total Delta Energy due to Liq. Argon = 7.00% CALCULATION FOR CC CH SECTION: ----------------=====--------- MATERIAL THICKNESS gm/cm2 DELTA E (MeV) -------- --------- -------- ------------- Copper 41.8338 cm 374.831 539.8 Liq. Argon 4.1148 cm 5.7607 8.6987 G10 1.143 cm 1.9431 3.6336 Copper 0.0343 cm 0.3073 0.3872 ---------- Total Delta Energy for a CC CH Section = 552.53 Fraction of the Total Delta Energy due to Liq. Argon = 1.57% CALCULATIONS FOR THE END CAP CALORIMETER ------------------------------------------ CALCULATION FOR EC EM1 SECTION: ----------------======--------- MATERIAL THICKNESS gm/cm2 DELTA E (MeV) -------- --------- -------- ------------- Steel 0.315 cm 2.48 3.67 Liq. Argon 0.925 cm 1.29 1.95 G10 0.803 cm 1.37 2.56 Copper 0.030 cm 0.27 0.34 ---------- Total Delta Energy for a EC EM1 Section = 8.52 Fraction of the Total Delta Energy due to Liq. Argon = 22.9% CALCULATION FOR EC EM2 SECTION: ----------------======--------- MATERIAL THICKNESS gm/cm2 DELTA E (MeV) -------- --------- -------- ------------- Uranium 0.798 cm 15.12 16.48 Liq. Argon 0.925 cm 1.29 1.95 G10 0.803 cm 1.37 2.56 Copper 0.030 cm 0.27 0.34 ---------- Total Delta Energy for a EC EM2 Section = 21.33 Fraction of the Total Delta Energy due to Liq. Argon = 9.14% CALCULATION FOR EC EM3 SECTION: ----------------======--------- MATERIAL THICKNESS gm/cm2 DELTA E (MeV) -------- --------- -------- ------------- Uranium 2.393 cm 45.34 49.42 Liq. Argon 2.774 cm 3.88 5.86 G10 2.408 cm 4.09 7.65 Copper 0.091 cm 0.82 1.03 ---------- Total Delta Energy for a EC EM3 Section = 63.96 Fraction of the Total Delta Energy due to Liq. Argon = 9.16% CALCULATION FOR EC EM4 SECTION: ----------------======--------- MATERIAL THICKNESS gm/cm2 DELTA E (MeV) -------- --------- -------- ------------- Steel 2.189 cm 17.23 25.50 Uranium 2.393 cm 45.34 49.42 Liq. Argon 3.698 cm 5.18 7.82 G10 3.211 cm 5.46 10.21 Copper 0.122 cm 1.09 1.38 ---------- Total Delta Energy for a EC EM4 Section = 94.33 Fraction of the Total Delta Energy due to Liq. Argon = 8.29% CALCULATION FOR EC IHF1 SECTION: ----------------=======--------- MATERIAL THICKNESS gm/cm2 DELTA E (MeV) -------- --------- -------- ------------- Steel 3.175 cm 24.99 36.98 Uranium 8.991 cm 170.39 185.73 Liq. Argon 6.908 cm 9.67 14.61 G10 6.828 cm 11.61 21.71 Copper 0.061 cm 0.55 0.69 ---------- Total Delta Energy for a EC IHF1 Section = 259.72 Fraction of the Total Delta Energy due to Liq. Argon = 5.63% CALCULATION FOR EC IHF2,3,4 per SECTION: ----------------===========-------------- MATERIAL THICKNESS gm/cm2 DELTA E (MeV) -------- --------- -------- ------------- Steel 1.905 cm 14.99 22.19 Uranium 8.991 cm 170.39 185.73 Liq. Argon 6.908 cm 9.67 14.61 G10 6.828 cm 11.61 21.71 Copper 0.061 cm 0.55 0.69 ---------- Total Delta Energy per EC IHF2,3,4 Section = 244.93 Fraction of the Total Delta Energy due to Liq. Argon = 5.96% CALCULATION FOR EC IH COARSE SECTION: ----------------============--------- MATERIAL THICKNESS gm/cm2 DELTA E (MeV) -------- --------- -------- ------------- Steel 55.778 cm 438.97 649.68 Liq. Argon 5.128 cm 7.18 10.84 G10 5.121 cm 8.71 16.28 Copper 0.046 cm 0.41 0.52 ---------- Total Delta Energy for a EC IH Coarse Section = 677.32 Fraction of the Total Delta Energy due to Liq. Argon = 1.60% CALCULATION FOR EC MF1 SECTION: ----------------======--------- MATERIAL THICKNESS gm/cm2 DELTA E (MeV) -------- --------- -------- ------------- Steel 2.45 19.99 29.58 Uranium 8.392 cm 159.03 173.34 Liq. Argon 6.591 cm 9.23 13.93 G10 2.111 cm 3.59 6.71 Copper 0.057 cm 0.51 0.64 ---------- Total Delta Energy for EC MF1 Section = 224.20 Fraction of the Total Delta Energy due to Liq. Argon = 6.21% CALCULATION FOR EC MF2,3,4 per SECTION: ----------------==========------------- MATERIAL THICKNESS gm/cm2 DELTA E (MeV) -------- --------- -------- ------------- Uranium 8.992 cm 170.40 185.73 Liq. Argon 6.591 cm 9.23 13.93 G10 2.111 cm 3.59 6.71 Copper 0.057 cm 0.51 0.64 ---------- Total Delta Energy per EC MF2,3,4 Section = 207.01 Fraction of the Total Delta Energy due to Liq. Argon = 6.73% CALCULATION FOR EC MH COARSE SECTION: ----------------============--------- MATERIAL THICKNESS gm/cm2 DELTA E (MeV) -------- --------- -------- ------------- Steel 65.07 512.10 757.91 Liq. Argon 6.15 cm 8.61 13.00 G10 1.98 cm 3.37 6.29 Copper 0.053 cm 0.47 0.60 ---------- Total Delta Energy for EC MH Coarse Section = 777.8 Fraction of the Total Delta Energy due to Liq. Argon = 1.67% CALCULATION FOR EC OH SECTION: ----------------=====--------- MATERIAL THICKNESS gm/cm2 DELTA E (MeV) -------- --------- -------- ------------- NOW CALCULATE VOLTS PER MeV ON THE ELECTRON SCALE =================================================== 1.60 E-19 Coulombs per Electron 9.45 E+3 Electrons per MeV deposited in Liq. Argon (Electron Scale) 5 E-12 Farad feedback capacitor 1.60 E-19 Coul/Electron x 9.45 E+3 Electrons/MeV Volts = ---------------------------------------------------- 5 E-12 Farads ===> 3.024 E-4 Volts per MeV Deposited in Liquid Argon with a 5 pico Farad feedback capacitor in the PreAmp. ===> 0.2749 Volts per GeV Deposited in Liquid Argon with a 5.5 pico Farad feedback capacitor in the PreAmp. ===> 0.1440 Volts per GeV Deposited in Liquid Argon with a 10.5 pico Farad feedback capacitor in the PreAmp. +---------------------------------------------------+ | | | FOR THE CENTRAL CALORIMETER | | ------- | +---------------------------------------------------+ CALORI- SAMP- FEED GeV to METER LING BACK VOLTS AT PREAMP OUTPUT PER GeV SATURATE SECTION FRACT CAP. DEPOSITED IN THIS CALORIMETER SECTION at 3.3 V ------- ----- ---- -------------------------------------- -------- CC EM1 12.7% 5.5pF 34.89 mV / GeV , 1.116 Volts / 32 Gev 95 GeV CC EM2 12.7% 5.5pF 34.89 mV / GeV , 1.116 Volts / 32 Gev 95 GeV CC EM3 12.7% 10.5pF 18.28 mV / GeV , 0.585 Volts / 32 Gev 181 GeV CC EM4 12.7% 10.5pF 18.28 mV / GeV , 0.585 Volts / 32 Gev 181 GeV CC FH1 7.0% 5.5pF 19.24 mV / GeV , 0.616 Volts / 32 Gev 172 GeV CC FH2 7.0% 5.5pF 19.24 mV / GeV , 0.616 Volts / 32 Gev 172 GeV CC FH3 7.0% 5.5pF 19.24 mV / GeV , 0.616 Volts / 32 Gev 172 GeV CC CH 1.57% 5.5pF 4.33 mV / GeV , 0.138 Volts / 32 Gev 762 GeV Note: The Central Calorimeter CC CH section is not included in the Trigger Tower Sum. +---------------------------------------------------+ | | | FOR THE END-CAP CALORIMETER | | ------- | +---------------------------------------------------+ CALORI- SAMP- FEED GeV to METER LING BACK VOLTS AT PREAMP OUTPUT PER GeV SATURATE SECTION FRACT CAP. DEPOSITED IN THIS CALORIMETER SECTION at 3.3 V ------- ----- ---- -------------------------------------- -------- EC EM1 22.8% 5.5pF 62.71 mV / GeV , 2.007 Volts / 32 Gev 53 GeV EC EM2 9.15% 5.5pF 25.14 mV / GeV , 0.805 Volts / 32 Gev 131 GeV EC EM3 9.15% 10.5pF 13.17 mV / GeV , 0.421 Volts / 32 Gev 251 GeV EC EM4 8.11% 10.5pF 11.68 mV / GeV , 0.374 Volts / 32 Gev 282 GeV EC IHF1 5.62% 5.5pF 15.45 mV / GeV , 0.495 Volts / 32 Gev 214 GeV EC IHF2 5.96% 5.5pF 16.39 mV / GeV , 0.524 Volts / 32 Gev 201 GeV EC IHF3 5.96% 5.5pF 16.39 mV / GeV , 0.524 Volts / 32 Gev 201 GeV EC IHF4 5.96% 5.5pF 16.39 mV / GeV , 0.524 Volts / 32 Gev 201 GeV EC IH CRS 1.61% 5.5pF 4.43 mV / GeV , 0.142 Volts / 32 Gev 745 GeV EC MH1 6.21 5.5pf 17.08 mV / GeV , 0.547 Volts / 32 GeV 193 GeV EC MH2 6.73 5.5pf 18.50 mV / GeV , 0.592 Volts / 32 GeV 178 GeV EC MH3 6.73 5.5pf 18.50 mV / GeV , 0.592 Volts / 32 GeV 178 GeV EC MH4 6.73 5.5pf 18.50 mV / GeV , 0.592 Volts / 32 GeV 178 GeV EC MH CRS 1.67 5.5pf 4.59 mV / GeV , 0.147 Volts / 32 GeV 718 GeV EC OH ? Note: The END-CAP Calorimeter EC IH Coarse section, the EC MH Coarse, and the EC OH section are not included in the Trigger Tower Sum. What the Calorimeter Trigger will expect to see is a 1 Volt differential signal per 32 Gev of energy deposited in the Calorimeter with a full scale swing of 2 Volts diferential (64 Gev). Note; in the future, if we run at high luminosities, we may need as much as a 4 Volt diferential full scale swing (128 GeV). SOURCES OF INFORMATION ---------------------- CC EM Harry Weerts CC FH Harry Weerts CC CH Harry Weerts CC EM Ron Madaras CC IH Al Ito CC MH Al Ito CC OH Al Ito (information is comming) Pre-Amp Feedback Capacitors for CC Dean Schamberger Pre-Amp Feedback Capacitors for EC Jim Christenson? CONNECTION OF CALORIMETER BLS SIGNALS INTO TRIGGER TOWERS ----------------------------------------------------------- TRIGGER CALORIMETER TOWER BLS CONNECTIONS CONNECTIONS ETA ETA TO THE EM TO THE HD COORDINATE COORDINATES TRIGGER TOWER TRIGGER TOWER ---------- ----------- ------------------- --------------- / / CC EM1, CC EM2, CC FH1, CC FH2, | E0 | CC EM3 all 4 parts, CC FH3 | \ CC EM4 1 | | / CC EM1, CC EM2, CC FH1, CC FH2, | E1 | CC EM3 all 4 parts, CC FH3 \ \ CC EM4 / / CC EM1, CC EM2, CC FH1, CC FH2, | E2 | CC EM3 all 4 parts, CC FH3 | \ CC EM4 2 | | / CC EM1, CC EM2, CC FH1, CC FH2, | E3 | CC EM3 all 4 parts, CC FH3 \ \ CC EM4 / / CC EM1, CC EM2, CC FH1, CC FH2, | E4 | CC EM3 all 4 parts, CC FH3 | \ CC EM4 3 | | / CC EM1, CC EM2, CC FH1, CC FH2, | E5 | CC EM3 all 4 parts, CC FH3 \ \ CC EM4 / / CC EM1, CC EM2, CC FH1, CC FH2, | E6 | CC EM3 all 4 parts, CC FH3 | \ CC EM4 4 | | / CC EM1, CC EM2, CC FH1, CC FH2, | E7 | CC EM3 all 4 parts, CC FH3 \ \ CC EM4 / / CC EM1, CC EM2, CC FH1, CC FH2, | E8 | CC EM3 all 4 parts, | \ CC EM4 5 | | / CC EM1, CC EM2, CC FH1 | E9 | CC EM3 all 4 parts, \ \ CC EM4 / / CC EM1, CC EM2, EC MFH1 | E10 | CC EM3 all 4 parts, | \ CC EM4 6 | | / CC EM1, CC EM2, EC MFH1, EC MFH2 | E11 | CC EM3 only 2 parts \ \ ------------ / / EC MFH1, EC MFH2, | E12 | EC MFH3, EC MFH4 | \ 7 | | / EC MFH1, EC MFH2, | E13 | EC EM3 only 2 parts, EC MFH3, EC MFH4 \ \ EC EM4 ------------ / / EC EM1, EC EM2, EC MFH1, EC MFH2, | E14 | EC EM3 all 4 PARTS, EC MFH3, EC MFH4 | \ EC EM4 8 | | / EC EM1, EC EM2, EC MFH1, EC MFH2, | E15 | EC EM3 all 4 parts, EC MFH3, EC MFH4 \ \ EC EM4 / / EC EM1, EC EM2, EC IFH1, EC MFH2, | E16 | EC EM3 all 4 PARTS, EC MFH3, EC MFH4 | \ EC EM4 9 | | / EC EM1, EC EM2, EC IFH1, EC IFH2, | E17 | EC EM3 all 4 parts, EC MFH4 \ \ EC EM4 / / EC EM1, EC EM2, EC IFH1, EC IFH2, | E18 | EC EM3 all 4 PARTS, EC IFH3 | \ EC EM4 10 | | / EC EM1, EC EM2, EC IFH1, EC IFH2, | E19 | EC EM3 all 4 parts, EC IFH3, EC IFH4 \ \ EC EM4 / / EC EM1, EC EM2, EC IFH1, EC IFH2, | E20 | EC EM3 all 4 PARTS, EC IFH3, EC IFH4 | \ EC EM4 11 | | / EC EM1, EC EM2, EC IFH1, EC IFH2, | E21 | EC EM3 all 4 parts, EC IFH3, EC IFH4 \ \ EC EM4 / / EC EM1, EC EM2, EC IFH1, EC IFH2, | E22 | EC EM3 all 4 PARTS, EC IFH3, EC IFH4 | \ EC EM4 12 | | / EC EM1, EC EM2, EC IFH1, EC IFH2, | E23 | EC EM3 all 4 parts, EC IFH3, EC IFH4 \ \ EC EM4 / / EC EM1, EC EM2, EC IFH1, EC IFH2, | E24 | EC EM3 all 4 PARTS, EC IFH3, EC IFH4 | \ EC EM4 13 | | / EC EM1, EC EM2, EC IFH1, EC IFH2, | E25 | EC EM3 all 4 parts, EC IFH3, EC IFH4 \ \ EC EM4 / / EC EM1, EC EM2, EC IFH1, EC IFH2, | E26 | EC EM3 only 1 part, EC IFH3, EC IFH4 | \ EC EM4 ----------- 14 | | / EC EM1, EC EM2, EC IFH1, EC IFH2, | E27 | EC EM3 only 1 part, EC IFH3, EC IFH4 \ \ EC EM4 ----------- / / EC EM1, EC EM2, EC IFH1, EC IFH2, | E28 | EC EM3 only 1 part, EC IFH3, EC IFH4 | \ EC EM4 ----------- 15 | | / EC EM1, EC EM2, EC IFH1, EC IFH2, | E29 | EC EM3 only 1 part, EC IFH3, EC IFH4 \ \ EC EM4 ----------- / / EC EM1, EC EM2, EC IFH1, EC IFH2, | E30 | EC EM3 only 1 part, EC IFH3, EC IFH4 | \ EC EM4 ----------- 16 | | / EC EM1, EC EM2, EC IFH1, EC IFH2, | E31 | EC EM3 only 1 part, EC IFH3, EC IFH4 \ \ EC EM4 ----------- / / EC EM1, EC EM2, EC IFH1, EC IFH2, 17 | E32 | EC EM3 only 1 part, EC IFH3, EC IFH4 \ \ EC EM4 ----------- / / EC EM1, EC EM2, EC IFH1, EC IFH2, 18 | E34 | EC EM3 only 1 part, EC IFH3, EC IFH4 \ \ EC EM4 ----------- / / EC EM1, EC EM2, EC IFH1, EC IFH2, 19 | E37 | EC EM3 only 1 part, EC IFH3, EC IFH4 \ \ EC EM4 ----------- / / EC IFH1, EC IFH2, 20 | E41 | EC IFH3, EC IFH4 \ \ / / 21 | E44 | EC IFH3, EC IFH4 \ \