{"id":3188,"date":"2023-11-01T20:00:18","date_gmt":"2023-11-01T20:00:18","guid":{"rendered":"https:\/\/www.emcfastpass.com\/test-equipment\/?post_type=product&p=3188"},"modified":"2026-03-19T19:49:48","modified_gmt":"2026-03-19T19:49:48","slug":"tekbox-modulated-wideband-power-amplifier-tbmda-bci25","status":"publish","type":"product","link":"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/rf-amplifiers\/tekbox-modulated-wideband-power-amplifier-tbmda-bci25\/","title":{"rendered":"TekBox Modulated Wideband Power Amplifier (TBMDA-BCI25)"},"content":{"rendered":"
\n
\n

The TBMDA-BCI25 modulated amplifier provides the necessary bandwidth and modulation for conducted immunity testing using BCI probes per ISO 11452-4 in the frequency range from 1 MHz to 400 MHz. It is designed to be driven by signal generators or by tracking generators of spectrum analyzers. With a 1 dB compression point of up to 30 W in the frequency range 1 MHz to 400 MHz it can generate test levels up to 400mA. A built in AM \/ PM – modulator enables use of tracking generators as signal source. The TBMDA-BCI25 has sufficient gain to achieve maximum output power with 0 dBm provided by a spectrum analyzer tracking generator.<\/p>\n

Besides 1 kHz, 80% AM, the TBMDA-BCI25 provides built in modulation capability to generate 1 kHz, 50% duty cycle PM signals. In PM mode, the TBMDA-BCI25 can also generate a 217 Hz Signal with 12.5% duty cycle in order to simulate mobile phone TDMA noise.<\/p>\n

Features<\/h3>\n
    \n
  • CW amplifier (modulation off)<\/li>\n
  • 1 kHz, 80% AM modulation<\/li>\n
  • 1 kHz, 50% duty cycle pulse modulation<\/li>\n
  • 217 Hz, 12.5% duty cycle pulse modulation<\/li>\n<\/ul>\n

    Specifications<\/h3>\n
      \n
    • Input \/ Output: 50 Ohm, N female<\/li>\n
    • Supply Voltage range: 110 V\u2026240 V<\/li>\n
    • Supply power consumption: 108 W @ 220V<\/li>\n
    • Operating temperature range: -20\u00b0C to 50\u00b0C<\/li>\n
    • Frequency range: 1 MHz \u2013 400 MHz<\/li>\n
    • Small signal gain: 47 dB typ.<\/li>\n
    • Gain flatness 1 MHz \u2013 400 MHz \/ Pin = -3 dBm: 1.5 dB typ.<\/li>\n
    • Saturated output power @ 1 MHz \/ Pin = 0 dBm: 45.1 dBm (32.2 W) typ.<\/li>\n
    • Saturated output power @ 10 MHz \/ Pin = 0 dBm: 45.2 dBm (33 W) typ.<\/li>\n
    • Saturated output power @ 50 MHz \/ Pin = 0 dBm: 45.9 dBm (38.6 W) typ.<\/li>\n
    • Saturated output power @ 100 MHz \/ Pin = 0 dBm: 45.7 dBm (37.5 W) typ.<\/li>\n
    • Saturated output power @ 150 MHz \/ Pin = 0 dBm: 46.2 dBm (41.2 W) typ.<\/li>\n
    • Saturated output power @ 200 MHz \/ Pin = 0 dBm: 45.6 dBm (36.1 W) typ.<\/li>\n
    • Saturated output power @ 250 MHz \/ Pin = 0 dBm: 46.3 dBm (42.5 W) typ.<\/li>\n
    • Saturated output power @ 300 MHz \/ Pin = 0 dBm: 46 dBm (39.7 W) typ.<\/li>\n
    • Saturated output power @ 350 MHz \/ Pin = 0 dBm: 45.8 dBm (37.8 W) typ.<\/li>\n
    • Saturated output power @ 400 MHz \/ Pin = 0 dBm: 45 dBm (31.6 W) typ.<\/li>\n
    • 1dB output compression point @ 1 MHz: 44.1 dBm typ. (Pin: -4 dBm)<\/li>\n
    • 1dB output compression point @ 10 MHz: 44.6 dBm typ. (Pin: -3 dBm)<\/li>\n
    • 1dB output compression point @ 50 MHz: 45.3 dBm typ. (Pin: -2 dBm)<\/li>\n
    • 1dB output compression point @ 100 MHz: 45.2 dBm typ. (Pin: -1 dBm)<\/li>\n
    • 1dB output compression point @ 150 MHz: 45.2 dBm typ. (Pin: -2 dBm)<\/li>\n
    • 1dB output compression point @ 200 MHz: 45.2 dBm typ. (Pin: -1 dBm)<\/li>\n
    • 1dB output compression point @ 250 MHz: 45.6 dBm typ. (Pin: -2 dBm)<\/li>\n
    • 1dB output compression point @ 300 MHz: 45.1 dBm typ. (Pin: -2 dBm)<\/li>\n
    • 1dB output compression point @ 350 MHz: 44.8 dBm typ. (Pin: -2 dBm)<\/li>\n
    • 1dB output compression point @ 400 MHz: 43.6 dBm typ. (Pin: -4 dBm)<\/li>\n
    • 2 nd harmonic, 100 MHz, Pout = 45.7 dBm: < – 23 dBc typ.<\/li>\n
    • 2 nd harmonic, 100 MHz, Pout = 40 dBm: < – 29 dBc typ.<\/li>\n
    • 3 rd harmonic, 100 MHz, Pout = 45.7 dBm: < – 12 dBc typ.<\/li>\n
    • 3 rd harmonic, 100 MHz, Pout = 40 dBm: < – 19 dBc typ.<\/li>\n<\/ul>\n

      Application:<\/h3>\n
        \n
      • General-purpose wideband RF power amplifier<\/li>\n
      • Wideband RF power amplifier for conducted immunity testing driving BCI-probes<\/li>\n
      • Wideband RF power amplifier for radiated immunity testing, driving near field probes<\/li>\n
      • Wideband RF power amplifier for radiated immunity testing, driving TEM Cells<\/li>\n<\/ul>\n<\/div>\n<\/section>\n","protected":false},"excerpt":{"rendered":"

        The TBMDA-BCI25 modulated amplifier provides the necessary bandwidth and modulation for conducted immunity testing using BCI probes per ISO 11452-4 in the frequency range from 1 MHz to 400 MHz.<\/p>\n","protected":false},"featured_media":3189,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[129],"product_cat":[132],"product_tag":[],"class_list":{"0":"post-3188","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-tekbox","7":"product_cat-rf-amplifiers","9":"first","10":"outofstock","11":"taxable","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"yoast_head":"\nTekBox Modulated Wideband Power Amplifier (TBMDA-BCI25) - EMC Chambers & Test Equipment<\/title>\n<meta name=\"description\" content=\"The TBMDA-BCI25 modulated amplifier provides the necessary bandwidth and modulation for conducted immunity testing using BCI probes per ISO 11452-4\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.emcfastpass.com\/test-equipment\/shop\/rf-amplifiers\/tekbox-modulated-wideband-power-amplifier-tbmda-bci25\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"TekBox Modulated Wideband Power Amplifier (TBMDA-BCI25) - 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