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| Precision Digital Step Attenuator 50 TTL Control, Pin Diode Maximum Ratings Operating Temperature Storage Temperature Input Power DC Voltage TTL -55C to 100C -55C to 125C 15 dBm 5.5 V 5.5V ZFAT-124 10 to 1000 MHz Features * wideband, 10 to 1000 MHz * excellent step accuracy, 0.2 dB typ. * small, shielded metal case CASE STYLE: SSS173 Connectors Model SMA ZFAT-124 BRACKET (OPTION "B") Price $89.95 $2.50 Qty. (1-9) (1+) Applications * base stations * cellular * test sets Digital Step Attenuator Electrical Specifications MODEL NO. FREQUENCY (MHz) PRIMARY ATTENUATION STEPS (dB) @TTL CONTROL PORT (1,1,1)** fL ZFAT-124 10 fU 1000 #1 10.25 #2 20.25 #3 40.3 ATTENUATION (dB) (0,0,0) VSWR (:1) Nom. 7.0 Max. 4.0 L 1.6 M 1.4 U 1.5 Outline Drawing L=10 to 100 MHz M=100 to 500 MHz ** Total attenuation above thru-loss. 1. Step accuracy is specified for basic steps. For combination of steps accuracy is additive. 2. Thru-loss is minimum insertion loss with all attenuation elements bypassed (All TTL controls state are Low) U=500 to 1000 MHz Additional Specifications DC Voltage DC Current Switching Time (50% TTL to within specified accuracy of the next-selected attenuation step, and to within 0.1 dB of steady-state Thru-Loss) TTL Input High Threshold TTL Input Low Threshold TTL Toggle Rate 1dB Compression +5V 12mA max. 10s typ., 15s max., 2V min 0.8V max. 50 kHz typ. 0 dBm (10-100 MHz) +10 dBm (100-1000MHz) Outline Dimensions ( inch ) mm A 1.25 31.75 H 1.000 25.40 B 1.25 31.75 L .125 3.18 C .75 19.05 M 1.688 42.88 D .63 16.00 N 2.18 55.38 E .38 9.65 P .75 19.05 F 1.000 25.40 Q 1.78 G .125 3.18 wt. 75 .07 grams Distribution Centers NORTH AMERICA 800-654-7949 * 417-335-5935 * Fax 417-335-5945 * EUROPE 44-1252-832600 * Fax 44-1252-837010 Mini-Circuits (R) INTERNET http://www.minicircuits.com P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 REV. OR M97802 ZFAT-124 DJ/VV/CP 051202 Mini-Circuits ISO 9001 & ISO 14001 Certified ZFAT-124 ZFAT-124 THRU LOSS 3.0 ATTENUATION STEPS (dB) 5.0 4.0 ZFAT-124 STEP #1/#2/#3 1.6 1.5 1.4 ZFAT-124 VSWR IN/OUT INPUT OUTPUT THRU LOSS (dB) 2.8 2.6 2.4 2.2 2.0 10 208 406 604 802 1000 FREQUENCY (MHz) VSWR STEP#1 STEP#2 STEP#3 3.0 2.0 1.0 0.0 10 208 1.3 1.2 1.1 1.0 10 208 406 604 802 1000 FREQUENCY (MHz) 406 604 FREQUENCY (MHz) 802 1000 Step Attenuation* at TTL Control State 000 THRU LOSS (MHz) (dB) 10.00 2.80 49.60 2.52 148.60 2.46 208.00 2.48 247.60 2.55 346.60 2.57 406.00 2.62 445.60 2.67 544.60 2.72 604.00 2.71 703.00 2.81 762.40 2.78 821.80 2.80 881.20 2.81 940.60 2.82 1000.00 2.81 FREQ. 001 1 (dB) 1.01 1.02 0.99 1.01 1.01 1.04 1.02 1.04 1.08 1.06 1.08 1.09 1.12 1.12 1.12 1.14 010 2 (dB) 1.99 2.02 2.01 1.99 2.01 2.04 2.02 2.05 2.04 2.07 2.07 2.07 2.10 2.10 2.14 2.14 011 3 (dB) 3.01 3.05 3.02 3.00 3.03 3.03 3.03 3.09 3.11 3.11 3.11 3.17 3.20 3.19 3.20 3.28 100 4 (dB) 4.02 4.05 4.03 4.05 4.05 4.04 4.05 4.06 4.08 4.09 4.10 4.07 4.14 4.14 4.17 4.19 101 5 (dB) 5.03 5.06 5.03 5.07 5.06 5.07 5.06 5.11 5.14 5.14 5.17 5.20 5.25 5.23 5.31 5.37 110 6 (dB) 6.03 6.05 6.02 6.02 6.02 6.08 6.04 6.06 6.06 6.11 6.09 6.10 6.17 6.22 6.22 6.28 111 7 (dB) 7.03 7.09 7.07 7.05 7.02 7.06 7.05 7.09 7.13 7.15 7.16 7.21 7.27 7.30 7.35 7.42 INPUT VSWR FREQ. (MHz) 10.00 49.60 148.60 208.00 247.60 346.60 406.00 445.60 544.60 604.00 703.00 762.40 821.80 881.20 940.60 1000.00 001 1.25 1.10 1.14 1.17 1.19 1.24 1.27 1.29 1.32 1.33 1.32 1.31 1.30 1.28 1.26 1.24 010 1.26 1.10 1.12 1.15 1.17 1.21 1.24 1.25 1.28 1.29 1.28 1.28 1.26 1.25 1.23 1.21 011 1.22 1.09 1.12 1.15 1.17 1.22 1.25 1.27 1.30 1.31 1.32 1.32 1.31 1.31 1.30 1.29 100 1.27 1.10 1.13 1.16 1.17 1.22 1.24 1.26 1.29 1.31 1.31 1.31 1.30 1.29 1.27 1.25 101 1.23 1.09 1.12 1.16 1.18 1.23 1.26 1.27 1.31 1.33 1.33 1.34 1.33 1.33 1.32 1.31 110 1.24 1.09 1.11 1.14 1.16 1.20 1.22 1.24 1.27 1.29 1.29 1.29 1.29 1.29 1.27 1.26 111 1.20 1.08 1.11 1.14 1.16 1.22 1.24 1.26 1.30 1.32 1.34 1.34 1.35 1.35 1.34 1.34 OUTPUT VSWR FREQ. (MHz) 10.00 49.60 148.60 208.00 247.60 346.60 406.00 445.60 544.60 604.00 703.00 762.40 821.80 881.20 940.60 1000.00 001 1.30 1.12 1.16 1.19 1.20 1.27 1.31 1.31 1.36 1.37 1.36 1.34 1.35 1.32 1.30 1.27 010 1.27 1.10 1.13 1.16 1.18 1.23 1.25 1.27 1.30 1.31 1.32 1.30 1.30 1.29 1.27 1.26 011 1.25 1.10 1.14 1.16 1.18 1.23 1.26 1.28 1.30 1.31 1.33 1.32 1.31 1.28 1.29 1.27 100 1.16 1.07 1.09 1.11 1.13 1.16 1.18 1.19 1.21 1.21 1.22 1.23 1.22 1.22 1.23 1.23 101 1.16 1.07 1.10 1.11 1.13 1.17 1.19 1.20 1.22 1.22 1.23 1.24 1.24 1.22 1.23 1.23 110 1.15 1.07 1.09 1.09 1.11 1.16 1.17 1.18 1.21 1.21 1.24 1.25 1.25 1.23 1.25 1.27 111 1.15 1.06 1.09 1.10 1.12 1.15 1.19 1.18 1.21 1.23 1.23 1.25 1.24 1.25 1.25 1.24 * Step attenuation above thru-loss (TTL logic 000) Distribution Centers NORTH AMERICA 800-654-7949 * 417-335-5935 * Fax 417-335-5945 * EUROPE 44-1252-832600 * Fax 44-1252-837010 Mini-Circuits (R) INTERNET http://www.minicircuits.com P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661 Mini-Circuits ISO 9001 & ISO 14001 Certified |
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