Assembly Instructions | Ramsey Electronics PR100 specs

ASSEMBLY INSTRUCTIONS:

1. Orient the PC board as in the Parts Layout Diagram. We will start with the left hand side of the board, then go to the right.

2. Install C6, the 22pF ceramic capacitor (marked 22).

3. Install C8, a 8.2pF ceramic capacitor (marked 8.2).

4. Install C4, a 2.2pF ceramic capacitor (marked 2.2).

5. Install C9, a 8.2pF ceramic capacitor (marked 8.2).

6. Install C5, another 2.2pF ceramic capacitor (marked 2.2).

7. Install C10, yet another 8.2pF ceramic capacitor (marked 8.2).

8. Install L3, one of the metallic, square shaped inductors (marked 359- 7787) Make sure the holes line up with the pins before soldering.

9. Install L4, another one of the inductors (marked 359-7787)

10. Install L5, the last of the tunable inductors (marked 359-7787).

11. Install C7, a 10pF ceramic capacitor (marked 10).

12. Install Q1, the 2SC2498 NPN UHF transistor. This transistor has excellent low noise characteristics, and can amplify signals into the microwave region! Note that the pin out of this transistor is different than that of a switching transistor, so mount it in the orientation as shown in the Parts Layout Diagram. Make sure and use the correct holes for mounting!

13. Install R2, a 47K ohm resistor (yellow-violet-orange). Note that it is a stand up part. Keep the leads as short as possible, as well as neat!

14. Install R1, a 100 ohm resistor (brown-black-brown). This is also a stand up resistor as well. Bend your leads as shown in the diagram.

15. Install C2, a 100pF ceramic capacitor (marked 100 or 101).

16. Install L1, one of the 2.2uH coils (green body, red-red-gold stripes).

17. Install R4, a 300 ohm resistor (orange-black-brown). Notice that this is a lay down part.

PR100 y 8

PR100 specifications

The Ramsey Electronics PR100 is an advanced, yet user-friendly frequency counter designed for amateur radio operators, electronics enthusiasts, and professionals alike. This innovative device is specifically crafted to accurately measure the frequency of various signals, making it a vital tool for anyone involved in RF (radio frequency) work.

One of the most notable features of the PR100 is its wide frequency range, which spans from 1 MHz to 1.5 GHz. This extensive capability allows users to measure a variety of signals, from lower amateur bands to higher frequencies often used in commercial equipment. Its high sensitivity is complemented by a low noise floor, ensuring that even weak signals can be detected and measured accurately.

The display on the PR100 is a clear LED readout that offers real-time frequency monitoring. Users can easily track frequency changes and make timely adjustments to their equipment, enhancing overall performance. The device also includes a peak hold feature, allowing users to capture the highest frequency signal for better analysis.

To accommodate a variety of applications, the PR100 supports different measurement modes, including continuous count and gated count. Continuous counting is essential for real-time monitoring environments, while gated counting is particularly useful for pulse signal analysis, allowing the user to measure pulses within a specified time window.

The PR100 boasts a simple, intuitive user interface. Its ergonomically designed controls facilitate seamless navigation through functions, making it accessible for both beginners and seasoned experts. The device also includes a BNC input for easy connection to antenna systems or other RF sources.

Moreover, the PR100 is built with portable power options in mind. It can be powered by standard AA batteries or an external DC power source, ensuring flexibility for fieldwork or in-lab use.

In terms of technologies, the PR100 utilizes advanced digital processing techniques to ensure precision and reliability. Its internal circuitry is engineered to minimize signal degradation while delivering high-quality measurements.

The construction of the PR100 reflects a blend of durability and lightweight design, making it a dependable companion for all RF endeavors. With its comprehensive features, user-friendly interface, and robust design, the Ramsey Electronics PR100 stands out as a valuable tool for anyone working with frequencies in the ever-evolving world of electronics.