R V R Elettronica PJ04KPS-CA FM Amplifiers Installation Guide

: June 17, 2024
: R V R ELETTRONICA

Table of Contents

R V R Elettronica PJ04KPS-CA FM Amplifiers
Product Information
Product Usage Instructions
FAQs
ORDERING INFORMATION
FEATURES
GENERALS Parameters
CONTACT
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Download This Manual (PDF format)

R V R Elettronica PJ04KPS-CA FM Amplifiers

R-V-R-Elettronica-PJ04KPS-CA-FM-Amplifiers-PRODUCT

Product Information

Specifications:

Parameters	Value	Notes
RF Output Power	4.2 kW
Frequency Range	87.5 – 108 MHz
Frequency Stability	ppm > 1
Class of Emission	Stereo transmissions
RF Output Impedance	50 ohms, Unbalanced
RF Output Connector	7/8 -1 + 5/8 on request EIA Flange
VSWR	1.4:1 with automatic fold-back at higher VSWR
Asynchronous AM S/N Ratio	Typically > 70 dB
Synchronous AM S/N Ratio	Typically > 55 dB
Harmonics suppression and Spurious	Typically < 85%
Overall efficiency	Typically > 70%
RF Harmonics	Exceeds ETSI/CCIR/FCC requirements
RF Spurious	Exceeds ETSI/CCIR/FCC requirements

Product Usage Instructions

Installation:
- Ensure the amplifier is placed on a stable surface.
- Connect the RF output connector to the appropriate antenna system.
- Ensure proper ventilation around the amplifier for efficient cooling.
Operation:
- Power on the amplifier using the designated power switch.
- Adjust the frequency range to your desired broadcasting frequency.
- Monitor the VSWR to ensure optimal performance.

FAQs

Q: What is the maximum RF output power of the PJ04KPS-CA model?
- A: The maximum RF output power is 4.2 kW.
Q: How can I ensure proper ventilation for the amplifier?
- A: Make sure to leave ample space around the amplifier for airflow to prevent overheating.
Q: Is the RF output impedance balanced or unbalanced?
- A: The RF output impedance is 50 ohms and unbalanced.
Q: What are the typical values for the Asynchronous AM S/N Ratio?
- A: The typically observed Asynchronous AM S/N Ratio is greater than 70 dB.

ORDERING INFORMATION

Model /Description
- PJ04KPS-CA /4.000W PLUG-IN system.

FEATURES

Tunable over the entire FM band (87.5 – 108 MHZ), without tuning.
Overall efficiency is better than 70%.
Hot-pluggable and broadband power amplifier modules.
Each module features a switching mode power supply to control and stabilize power supply voltage.
Each amplifier module provides Automatic Power Control.
Suitable for mono & stereo broadcast operations.
Protection against high VSWR, overdrive, overcurrent and overtemperature.
Compliance with IEC safety standards.> Compliance with ETSI – CCIR – FCC standards.
The entire transmitter can be switched off through an emergency button.
High redundancy guaranteed by 3 power modules of 2.2 kW RF power.
All measurement and working parameters are displayed on the front panel.
Remotely controllable by telemetry system.> Design for 24/7 non-stop operation.

GENERALS Parameters

PJ04KPS-CA

Parameters ** U.M. Value| Notes
---|---
GENERALS
RF Output Power| kW| 4,2|
Frequency Range| MHz| 87,5 – 108|
Frequency Stability| ppm| > 1|
Class of Emission| | 180KF8E Direct to Channel|
Stereo transmissions| | Acc. to ITU-R / Rec. 450 (Pilot tone)|
RF Output Impedance| | 50 Ω, Unbalanced|
RF Output Connector| | 7/8 -1 + 5/8 on request ”EIA Flange|
VSWR| | 1.4:1 with automatic fold-back at higher VSWR|
Asynchronous AM S/N Ratio| dB| Typically > 70|
Synchronous AM S/N Ratio| dB| Typically > 55|
Harmonics suppression and Spurious| dB| Typically < 85|
Overall efficiency| %| Typically > 70|
RF Harmonics| | Exceeds ETSI/CCIR/FCC requirements|
RF Spurious**| | Exceeds ETSI/CCIR/FCC requirements|

All pictures are RVR’s property and they are only indicative and not binding. The pictures can be modified without notice. These are general specifications. They show typical values and are subject to change without notice.