The Rapco family of GPS masterclocks, including models 1804 and 2804 and tracking oscillator model 2816, are end-of-life. They have been replaced by

Rapco family of GPS masterclocks, including models 1804 and 2804 and tracking oscillator model 2816, is nearing end-of-life. It has been replaced by SecureSync model, which offers unsurpassed modularity

2023年6月15日 · Having picked up a RAPCO (Pendulum) 2804B GPS-clock at a flea market, I posted a message searching for a manual on the time-nuts mailing list. A user manual was kindly provided and it did help in starting the troubleshooting procedure.

Rapco Electronics Ltd. manufacture a range of global positioning system satellite clock receivers. This driver supports the models from the Rapco 1804, 1814 and 2804 ranges that are fitted with the NMEA output option.

2012年8月11日 · Many simple GPS antenna units designed for car use, and modern GPS receivers, contain a relatively low gain RF amplifier block fed from a ceramic patch. The Rapco was designed to be fed from a QFH antenna that contains a 26 to 38dB gain RF amplifier.

2023年5月29日 · Picked up a faulty ... 2804 GPS Master Clock at a locan flea market. Fault indicated: "Locks anywhere near 10 MHz +/- 5Hz" And yes, when turning on and after acquiring some sattelites, it ends up -5Hz. The OCXO is a RAKON CFPO-D03 51B S12. By the look of it, I think that the footprints is also used by several other brands.

The Linux Driver for the Spectracom TPRO/TSAT-PCI/cPCI/PMC boards provides the interface for multiple users to access the board using the API, documented in Section 3: Interface to the Linux API. The TPRO/TSAT performs timing and synchronization functions referenced to an input timecode signal.

2025年2月24日 · gc2804 是 gc2803 的升级，在内部集成了 8 个 npn 达林顿晶体管连接阵列的基础上，又集成了一路 12v 的 h 桥驱动。 8 个 NPN 达林顿阵列用来驱动高压的步进 电机 ，H 桥驱动可以用来驱动 IR-CUT，此芯片专用于安防摄像头系统方案。

2023年6月1日 · Rapco 2804 was probably rebranded as Pendulum there for a while, and was not a design that came out of the Bälstabro design office and manufacturing. Search for Rapco 2804 gives more info.

Rapco MCC-2804-04. Skip to main content. Submit. Compare ; Sign in. Cart. Toggle menu. Pro Audio All Pro Audio Live sound Mixing Consoles Speakers Touring/Live PA Amplifiers Microphones Personal Monitoring Headphones Signal Processing ...