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BAL-0067平衡器Marki原装正品

发布时间:2019/11/6 17:45:00 访问次数:42发布企业:深圳市芯达科技有限公司

Broadband Isolation Balun (300KHz to 67GHz) BAL-0067 Page 1 215 Vineyard Court, Morgan Hill, CA 95037 | Ph: 408.778.4200 | Fax 408.778.4300 | info@markimicrowave.com 10/18/2019 Features  300 kHz to 67 GHz Balun (Balanced to Unbalanced Transformer)  1:2 Transformer (50 Ω unbalanced, 100 Ω differential/50 Ω balanced port)  Applications: Analog to Digital Converters, Balanced Receivers, Baseband Digital Modulation, Signal Integrity  Termination insensitive: Particularly suited to testing poorly matched or non 50 Ω devices or for extending 2 port VNAs for differential testing  BAL-0067.s3p Electrical Specifications - Specifications guaranteed from -55 to +100°C, measured in a 50Ω system. Parameter Frequency Range Min Typ Max Insertion Loss (dB) 300 kHz to 35 GHz 6 9 35 to 67 GHz 11.5 Isolation (dB) 1 to 67 GHz 25 Nominal Phase Shift (Degrees) 300 kHz to 67 GHz 180 Amplitude Balance (dB) ±0.7 ±2.1 Phase Balance (Degrees) ±4 ±12 Common Mode Rejection (dB) 20 27 VSWR (Input) 1.5 VSWR (Output) 1.6 Group Delay (ps) 520 RMS Group Delay Ripple (ps) 7 Risetime /Falltime (ps)1 2 Total Input Power (W) 1 Weight (g) 125 Model Number Description BAL-0067 300 kHz to 67 GHz Balun with 1.85 mm connectors1 1 Default is 1.85 mm female connectors. Consult factory for other connector options. Broadband Isolation Balun (300KHz to 67GHz) BAL-0067 Page 2 215 Vineyard Court, Morgan Hill, CA 95037 | Ph: 408.778.4200 | Fax 408.778.4300 | info@markimicrowave.com 10/18/2019 Block Diagram Single ended to differential Differential to single ended Typical Performance 180° 0° 180° 0° Broadband Isolation Balun (300KHz to 67GHz) BAL-0067 Page 3 215 Vineyard Court, Morgan Hill, CA 95037 | Ph: 408.778.4200 | Fax 408.778.4300 | info@markimicrowave.com 10/18/2019 Typical Performance This space is left blank intentionally Low frequency 1MHz square wave input Low frequency oscilloscope measurement of a 1MHz square wave input. Blue is 0° port output, pink is 180° port output. Note the amplitude divergence due to slight high pass roll off near DC. Oscilloscope measurements of the BAL-0067 with a 50 Gb/s PRBS pattern in single ended-to-differential mode. Eye diagrams are taken with a 231-1 PRBS input demonstrating minimal eye distortion/closure afforded by the extremely low frequency operation of the balun (<300 kHz). Broadband Isolation Balun (300KHz to 67GHz) BAL-0067 Page 4 215 Vineyard Court, Morgan Hill, CA 95037 | Ph: 408.778.4200 | Fax 408.778.4300 | info@markimicrowave.com 10/18/2019 Oscilloscope measurements of the BAL-0067 with a 28 Gb/s PRBS pattern. Bit pattern is measured with a 27 -1 PRBS input demonstrating extremely good pulse fidelity for both differential-to-single ended and single ended to differential mode conversions. Apparent baseline wander in differential-to-single ended is due to low pass filtering by test cables. Broadband Isolation Balun (300KHz to 67GHz) BAL-0067 Page 5 215 Vineyard Court, Morgan Hill, CA 95037 | Ph: 408.778.4200 | Fax 408.778.4300 | info@markimicrowave.com 10/18/2019 Mixed Mode Scattering Parameters Mixed mode scattering parameters are used to characterize differential circuits. For baluns, this means that the 0° and 180° ports become a single 100Ω differential port and the common port remains the same 50Ω common port. The two-port s-parameters of the balun are then characterized based on differential (d), common mode (c), or single-ended (s) signals. For example: S12ds is the differential output response given a single ended input. Broadband Isolation Balun (300KHz to 67GHz) BAL-0067 Page 6 215 Vineyard Court, Morgan Hill, CA 95037 | Ph: 408.778.4200 | Fax 408.778.4300 | info@markimicrowave.com 10/18/2019 Broadband Isolation Balun (300KHz to 67GHz) BAL-0067 Page 7 215 Vineyard Court, Morgan Hill, CA 95037 | Ph: 408.778.4200 | Fax 408.778.4300 | info@markimicrowave.com 10/18/2019 DC Interface Port Description DC Interface Schematic Common (Unbalanced Port) The common port is DC connected to the 0o port through a resistor and to ground through a resistor. 0o Port (Balanced) The 0o port is DC connected to the common port through a resistor and to ground through a resistor. 180o Port (Balanced) The 180o port is DC shorted to ground. DATA SHEET NOTES: 1.Specifications are subject to change without notice. Contact Marki Microwave for the most recent specifications and data sheets. 2.Catalog mixer circuits are continually improved. Configuration control requires custom mixer model numbers and specifications.

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