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Rapco 1800 Series Distribution Amplifiers
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Frequency and Timing Distribution with Optional Auto-Changeover
(Model 1886 shown)
Common Features
- 19" Rack-Mount x 1U Height
- Alarm Contact Unit gives indication of power, input or output faults
- Cables Interconnection cables for power and input signal are available for order
- Amplifier gain Input to loaded output voltage gain 0 ± 1dB
The models 1866 and 1886 distribution amplifiers provide fully automatic switchover function between a pair of time & frequency sources in the event of signal loss. The models 1876 and 1896 provide signal distribution from only one source. In both cases, a built in high-quality signal distribution function, provides up to 10 frequency (RF), and 10 timing (1 Hz) or 14 RF outputs in 1 RU of rack space. Each output is driven by an independent buffer, and individually monitored for signal failure. These units are AC and/or DC powered from time sources for reliability and battery backup possibility. Units may be powered from dc output from a master clock such as a model 1804. Special versions are available for timecode distribution (model 1896D) and telecom E1 frequency 2.048 MHz per G703.10 (model 1976).
Auto-changeover / Distribution Units (models 1866 & 1886) provide fullduplex master/standby operation of two frequency and/or timing sources.
Models with automatic change-over for redundancy:
- 1866A Frequency and Timing Changeover/Distribution Unit. Accepts 1 x Frequency (sine) and 1 x Timing input 50ohm, BNC and produces 10 10 x outputs 50ohm, BNC. D.C. power (twin inputs).
- 1866C Frequency Changeover/Distribution Unit. Accepts 1 x Frequency (sine) input 50ohm, BNC and produces 14 x outputs 50ohm, BNC. A.C. power with dc support.
- 1886A Frequency and Timing Changeover/Distribution Unit. Accepts 1 x Frequency (sine) and 1 x Timing input 50ohm, BNC and produces 10 10 x outputs 50ohm, BNC. D.C. power (twin inputs).
- 1886C Frequency Changeover/Distribution Unit. Accepts 1 x Frequency (sine) input 50ohm, BNC and produces 14 x outputs 50ohm, BNC. A.C. power with dc support.
Models with signal distribution from one source:
- 1876A Frequency and Timing Distribution Unit. Accepts 1 x Frequency (sine) and 1 x Timing input 50ohm, BNC and produces 10 10 x outputs 50ohm, BNC. A.C. power with dc support.
- 1876C Frequency Distribution Unit. Accepts 1 x Frequency (sine) input 50ohm, BNC and produces 14 x outputs 50ohm, BNC. A.C. power with dc support.
- 1896A Frequency and Timing Distribution Unit. Accepts 1 x Frequency (sine) and 1 x Timing input 50ohm, BNC and produces 10 10 x outputs 50ohm, BNC. D.C. power (twin inputs).
- 1896C Frequency Distribution Unit. Accepts 1 x Frequency (sine) input 50ohm, BNC and produces 14 x outputs 50ohm, BNC. D.C. power (twin inputs).
- 1896D imecode Distribution Unit. Accepts 1 x Timecode input (BNC) and produces up to 14 x outputs 50ohm, BNC. Timecodes supported include IRIG-A, IRIG-B, XR3, or 2137.
- 1976DG703.10 Frequency Distribution unit. Accepts 1 x 2.048MHz Frequency (sine) input 50ohm, BNC and produces 24 x outputs 75ohm, BNC. A.C. power with dc support.
 Click Here for Product Specifications, Options and Ordering Information 
Frequency and Timing Distribution with Optional Auto-Changeover
(Model 1886 shown)
Common Features
- 19" Rack-Mount x 1U Height
- Alarm Contact Unit gives indication of power, input or output faults
- Cables Interconnection cables for power and input signal are available for order
- Amplifier gain Input to loaded output voltage gain 0 ± 1dB
The models 1866 and 1886 distribution amplifiers provide fully automatic switchover function between a pair of time & frequency sources in the event of signal loss. The models 1876 and 1896 provide signal distribution from only one source. In both cases, a built in high-quality signal distribution function, provides up to 10 frequency (RF), and 10 timing (1 Hz) or 14 RF outputs in 1 RU of rack space. Each output is driven by an independent buffer, and individually monitored for signal failure. These units are AC and/or DC powered from time sources for reliability and battery backup possibility. Units may be powered from dc output from a master clock such as a model 1804. Special versions are available for timecode distribution (model 1896D) and telecom E1 frequency 2.048 MHz per G703.10 (model 1976).
Auto-changeover / Distribution Units (models 1866 & 1886) provide fullduplex master/standby operation of two frequency and/or timing sources.
Models with automatic change-over for redundancy:
- 1866A Frequency and Timing Changeover/Distribution Unit. Accepts 1 x Frequency (sine) and 1 x Timing input 50ohm, BNC and produces 10 10 x outputs 50ohm, BNC. D.C. power (twin inputs).
- 1866C Frequency Changeover/Distribution Unit. Accepts 1 x Frequency (sine) input 50ohm, BNC and produces 14 x outputs 50ohm, BNC. A.C. power with dc support.
- 1886A Frequency and Timing Changeover/Distribution Unit. Accepts 1 x Frequency (sine) and 1 x Timing input 50ohm, BNC and produces 10 10 x outputs 50ohm, BNC. D.C. power (twin inputs).
- 1886C Frequency Changeover/Distribution Unit. Accepts 1 x Frequency (sine) input 50ohm, BNC and produces 14 x outputs 50ohm, BNC. A.C. power with dc support.
Models with signal distribution from one source:
- 1876A Frequency and Timing Distribution Unit. Accepts 1 x Frequency (sine) and 1 x Timing input 50ohm, BNC and produces 10 10 x outputs 50ohm, BNC. A.C. power with dc support.
- 1876C Frequency Distribution Unit. Accepts 1 x Frequency (sine) input 50ohm, BNC and produces 14 x outputs 50ohm, BNC. A.C. power with dc support.
- 1896A Frequency and Timing Distribution Unit. Accepts 1 x Frequency (sine) and 1 x Timing input 50ohm, BNC and produces 10 10 x outputs 50ohm, BNC. D.C. power (twin inputs).
- 1896C Frequency Distribution Unit. Accepts 1 x Frequency (sine) input 50ohm, BNC and produces 14 x outputs 50ohm, BNC. D.C. power (twin inputs).
- 1896D imecode Distribution Unit. Accepts 1 x Timecode input (BNC) and produces up to 14 x outputs 50ohm, BNC. Timecodes supported include IRIG-A, IRIG-B, XR3, or 2137.
- 1976DG703.10 Frequency Distribution unit. Accepts 1 x 2.048MHz Frequency (sine) input 50ohm, BNC and produces 24 x outputs 75ohm, BNC. A.C. power with dc support.
Click Here for Product Specifications, Options and Ordering Information
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