Precision Digital Step Attenuator ZFAT-4816 50Ω TTL Control, Pin Diode 10 to 1000 MHz Maximum Ratings Operating Temperature -55°C to 100°C Storage Temperature -55°C to 125°C Input Power 15 dBm DC Voltage 5.5 V TTL5.5V Permanent damage may occur if any of these limits are exceeded. Features • wideband, 10 to 1000 MHz • excellent step accuracy, 0.2 dB typ. • small, shielded metal case CASE STYLE: SSS173 ConnectorsModel SMA ZFAT-4816 BRACKET (OPTION “B”) Applications • base stations •cellular • test sets Price $89.95 $5.00 Qty. (1-9) (1+) Digital Step Attenuator Electrical Specifications MODEL NO. FREQUENCY (MHz) PRIMARY ATTENUATION STEPS (dB) ATTENUATION (dB) VSWR (:1) @TTL CONTROL PORT ZFAT-4816 (1,1,1)** fU #1 #2 #3 Nom. (0,0,0) fL Max. L M U 10 1000 4±0.4 8±0.4 16±0.5 28.0 4.0 1.6 1.4 1.5 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) Outline Drawing U=500 to 1000 MHz Additional Specifications DC Voltage +5V DC Current 12mA max. 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) Outline Dimensions ( inch mm ) A 1.25 31.75 B 1.25 31.75 C 0.75 19.05 D .63 16.00 E .38 9.65 F 1.000 25.40 G .125 3.18 H 1.000 25.40 J --- K --- L .125 3.18 M 1.688 42.88 N 2.18 55.37 P .75 19.05 Q wt .07 grams 1.78 75 10µs typ., 15µs max., TTL Input High Threshold 2V min TTL Input Low Threshold 0.8V max. TTL Toggle Rate 50 kHz typ. 1dB Compression 0 dBm (10-100 MHz) +10 dBm (100-1000MHz) Notes A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document. B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp Mini-Circuits ® www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 [email protected] REV. A M150685 ZFAT-4816 DJ/VV/CP 150402 ZFAT-4816 ZFAT-4816 THRU LOSS 2.6 2.4 2.2 2.0 10 208 406 604 802 1.6 16.0 12.0 8.0 6.0 4.0 2.0 STEP#1 10 FREQUENCY (MHz) OUTPUT 1.4 10.0 0.0 1000 INPUT 1.5 14.0 VSWR ATTENUATION STEPS (dB) THRU LOSS (dB) 2.8 ZFAT-4816 VSWR IN/OUT ZFAT-4816 STEP #1/#2/#3 18.0 3.0 208 STEP#2 406 604 FREQUENCY (MHz) 1.2 1.1 STEP#3 802 1.3 1.0 1000 10 208 406 604 802 FREQUENCY (MHz) Step Attenuation* at TTL Control State FREQ. 000001010011100101110 THRU LOSS 4 8 12162024 (MHz)(dB)(dB)(dB)(dB)(dB)(dB)(dB) 10.00 2.58 4.08 7.97 12.0516.0920.1523.88 49.60 2.19 4.07 8.01 12.0716.2020.2224.12 148.602.20 4.05 8.05 12.1216.1420.1224.07 208.002.23 4.08 8.02 12.1316.1920.3424.10 247.602.28 4.06 8.05 12.0816.1420.2024.19 346.602.36 4.05 7.99 12.0616.1720.1423.99 406.002.41 4.02 8.00 12.0816.1420.2123.98 445.602.45 4.07 8.00 11.9916.0920.1624.21 544.602.48 4.02 7.99 11.9716.1620.2624.46 604.002.55 4.03 8.03 12.0116.1320.1724.10 703.002.55 4.01 8.02 12.0016.1720.1524.22 762.402.58 4.02 8.08 12.1216.2020.3024.12 821.802.56 4.06 8.14 12.0916.2420.2624.15 881.202.61 4.07 8.15 12.1116.2820.2524.17 940.602.64 4.09 8.13 12.1616.2420.3624.33 1000.002.65 4.06 8.12 12.1316.1620.3424.16 111 28 (dB) 28.02 28.16 28.26 28.37 28.31 28.29 27.93 28.32 28.32 28.34 27.91 28.39 27.99 28.06 28.22 28.02 INPUT VSWR FREQ. 001010011100101110 (MHz) 10.00 1.241.271.171.381.211.25 49.60 1.071.081.051.121.061.08 148.60 1.081.091.051.131.061.08 208.00 1.091.101.061.151.081.10 247.60 1.101.111.071.161.081.11 346.60 1.131.151.091.211.111.14 406.00 1.141.171.111.241.131.16 445.60 1.151.181.111.261.141.17 544.60 1.161.211.131.301.161.20 604.00 1.161.221.151.321.161.22 703.00 1.161.241.161.341.181.24 762.40 1.161.251.171.361.191.26 821.80 1.151.251.181.361.191.26 881.20 1.141.261.191.371.191.28 940.60 1.131.261.201.371.191.28 1000.00 1.121.261.211.371.191.30 111 1.17 1.05 1.05 1.06 1.07 1.09 1.10 1.11 1.14 1.15 1.17 1.18 1.19 1.20 1.21 1.23 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 001010011100101110 111 1.421.291.291.111.111.10 1.141.091.101.051.051.05 1.111.071.061.051.041.04 1.121.061.051.021.021.02 1.151.081.071.051.041.04 1.221.201.121.091.071.07 1.291.191.181.121.131.11 1.291.191.181.131.131.13 1.351.261.261.191.201.19 1.311.241.231.191.191.18 1.311.251.261.211.231.23 1.281.251.261.231.231.23 1.261.221.231.201.191.20 1.261.221.231.201.211.21 1.291.231.251.191.191.21 1.281.281.301.261.251.27 1.11 1.06 1.04 1.01 1.04 1.08 1.12 1.12 1.20 1.20 1.21 1.24 1.19 1.21 1.22 1.26 * Step attenuation above thru-loss (TTL logic 000) Notes A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document. B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp Mini-Circuits ® www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 [email protected] 1000