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| Superior Magnetics Since 1979 CM-99115 Professional to HiFi Level Reduction Transformer $ $ $ $ $ Converts 600S Professional Level to HiFi Level S Very Good Bandwidth (essentially flat to 60 kHz; -3 dB at 120 kHz) Very Good CMRR: 112 dB at 60 Hz +18 dB nominal voltage step-down Low profile package; pc mount The CineMag CM-99115 converts 600S line level signals to consumer HiFi level, allowing the HiFi system ground (which is also the frame ground) to be isolated from the 600S common. This helps avoid troublesome ground loops. The CM-99115 exhibits good bandwidth, excellent common-mode rejection ratio (CMRR), and good distortion characteristics. It is encased in a FMetal can which provides 30 dB of magnetic shielding. The wires from the internal foil shields between windings are spot welded for maximum long term reliability, as is done with all CineMag transformers. This transformer's secondary has moderately high impedance. Care must be exercised in the design of the amplifier that it drives to obtain best results and to realize good bandwidth. CM-99115 Parameter Turns Ratio Voltage Gain Distortion (THD+N%) Max 20 Hz input level Response, ref 1 kHz 1 kHz, + 0.0 dBu 600S input, 2.43K secondary load impedance 1 kHz, +18 dBu 20 Hz, +18 dBu 0.5% THD; 20 Hz 20 kHz -3 dB Test Circuit 1 Test Circuit 1 Test Circuit 1 Test Circuit 1 Test Circuit 1 Conditions Typ 5.1 : 1 -9.40 dB 0.0012% 0.25% +19 dB -0.1 dB -0.07dB 190 kHz 0E -6E 120 dB 100 dB 0E C Min 70E C Max http://www.cinemag.biz Phase Shift at 20 Hz Phase Shift at 20 kHz CMRR Operating Temp Range Referenced to source generator Test Circuit 1 60 Hz Test Circuit 2 per IEEE Std 389-1996 19 1 kHz Test Circuit 2 per IEEE Std 389-1996 19 Operation and storage 9050 Independence Ave. Canoga Park, California 91304 F(818) 993-4644 J (818) 993-4604 +0.5 Ref -0.5 CM-99115 Amplitude v Phase Rs=600 RL= 2.43K Phase +10 +5 +0 -5 -10 1 0.5 % CM99115 THD+N% v Frequency Rs=600 RL=2.43K 0.2 +18 dBu 0.1 0.05 +11 dBu 0.02 0.01 0.005 0.002 0.001 0.0005 0.0002 0.0001 20 50 100 200 500 1k 2k 5k 20k +4 dBu Phase -1 d B -1.5 u -15 -20 d -25 e g -30 -35 -40 -45 -50 -55 -2 -2.5 -3 -3.5 10 20 50 100 500 1k 2k Hz 5k 10k 50k 200k -60 Hz +0 CM-99115 CMRR Balanced Rs=600 1 CM-99115 THD+N% at Fixed Freqs Rs=600 RL=2.43K 0.5 % 0.2 -20 -40 d B -60 u -80 30 Hz 0.1 0.05 20 Hz 0.02 0.01 0.006 -20 -10 dBu +0 40 Hz 50 Hz -100 -120 +10 20 50 100 200 500 1k Hz 2k 5k 10k20k +0 CM-99115 CMRR Unbalanced Rs=600 -20 -40 d -60 B u -80 -100 -120 20 50 100 200 500 Hz 1k 2k 5k 10k 20k REV A Copyright 2002 CineMag Inc. All rights reserved. CM-99115 300 OSC CM-99115 301 OSC BRN ORG 2.43 K OUT HI BRN ORG OUT HI 2.43 K YEL RED 300 1 OUT LO 1 YEL RED 301 OUT LO BLK WHI BLK WHI TEST CIRCUIT 1 TEST CIRCUIT 2 NOTES: 1. All graphs generated from one (1) randomly chosen device. No statistical averaging or weighting. Data from one sweep. 4-40 STUD 0.30 7.6mm 1.00 .020 25.4mm .5mm 0.03 7.62mm 0.27 6.9mm 1.00 .020 25.4mm .5mm 0.03 7.6mm 1.00 .020 25.4mm .5mm 1.13 28.7mm 1.13 28.7mm 0.70 17.8mm 0.30 7.6mm 0.30 7.6mm 0.087 dia 2.2mm #4 Type B Self-tapping screw. Max penetration 0.15 / 3.8mm 1.13 28.7mm 0.70 17.8mm 0.370 9.4mm 0.70 17.8mm 0.70 17.8mm 1.13 28.7mm 1.13 28.7mm 1.13 28.7mm REV A Copyright 2002 CineMag Inc. All rights reserved. |
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