ADC wideband balun board


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One ADC-WB-BB board is included in the hardware kit with the GSPS analog-to-digital converter (ADC) reference boards. Since the analog inputs to the ADC1xDxx00RB are differential and most signal sources are single ended, these balun boards are generally used to achieve single-ended-to-differential conversion. In case both I- and Q- inputs are simultaneously driven with a similar signal, an additional balun board of the same type may be desired.

Incidentally, this balun board may also be used to do differential-to-single-ended conversion. For example, this balun board may be used when observing the DCLK± or RCOut± signal on a single-ended scope when exploring the autosync feature on the GSPS ADC reference boards.

ADC-WB-BB uses the TC1-1-13MA+ from Mini-Circuits®, which is designed for wideband functionality and low cost. Since the input impedance of the GSPS ADCs are 100 Ω, the impedance of most signal generators are 50 Ω, and the impedance ratio of this balun is 1:1, the extra 100 Ω across the output is present for impedance matching. However, this does incur an additional 3-dB insertion loss.

  • Balun: TC1-1-13MA+
  • Balun manufacturer: Mini-Circuits
  • Frequency range: 4.5 MHz, 3 GHz
  • Impedance ratio: 1:1
  • Wire-wound construction, wideband functionality, good return loss
High-speed ADCs (>10MSPS)
ADC10D1000 10-Bit, Dual 1.0-GSPS or Single 2.0-GSPS Analog-to-Digital Converter (ADC) ADC10D1000QML-SP Radiation-hardness-assured (RHA), 100-krad, ceramic, 10-bit, dual 1-GSPS or single 2-GSPS ADC ADC10D1500 10-Bit, Dual 1.5-GSPS or Single 3.0-GSPS Analog-to-Digital Converter (ADC) ADC12D1600 12-bit, dual 1.6-GSPS or single 3.2-GSPS analog-to-digital converter (ADC) ADC12D1600RF 12-bit, dual 1.6-GSPS or single 3.2-GSPS, RF-sampling analog-to-digital converter (ADC) ADC12D1800 12-bit, dual 1.8GSPS or single 3.6GSPS analog-to-digital converter (ADC) ADC12D1800RF 12-Bit, Dual 1.8GSPS or Single 3.6GSPS, RF-Sampling Analog-to-Digital Converter (ADC) ADC12D800RF 12-Bit, Dual 800-MSPS or Single 1.6-GSPS, RF Sampling Analog-to-Digital Converter (ADC)

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Evaluation board

ADC-WB-BB/NOPB — ADC wideband balun board

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Technical documentation

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Type Title Date
* User guide ADC-WB-BB / ADC-LD-BB User’s Guide May 07, 2012
Certificate ADC-WB-BB/NOPB EU Declaration of Conformity (DoC) Jan. 02, 2019

Related design resources

Hardware development

ADC10D1500RB The ADC10D1500 is a Low-Power, 10-Bit, Dual 1.5 GSPS or Single 3.0 GSPS AD Converter Reference Board ADC12D1600RB 12-bit, dual 1.6-/1.8-GSPS or single 3.2-/3.6-GSPS ADC reference board ADC12D800RFRB 12-Bit, Dual 800 MSPS or Single 1.6 GSPS A/D Converter Reference Board

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