R V R PTX30DDS PTX-DDS SERIES FM Transmitters User Manual

: June 13, 2024
: R V R

Table of Contents

R V R PTX30DDS PTX-DDS SERIES FM Transmitters
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

R V R PTX30DDS PTX-DDS SERIES FM Transmitters

Product Information

The PTX-DDS Series FM Transmitters are full digital DDS transmitters ranging from 30W to 1000W models. Manufactured by R.V.R. Elettronica S.r.l., these compact stereo transmitters offer various features and options for different applications.

Ordering Information

Model	Description
PTX30DDS	30W Compact Stereo Transmitter
PTX100DDS	100W Compact Stereo Transmitter
PTX150DDS	150W Compact Stereo Transmitter
PTX1000DDS	1000W Compact Stereo Transmitter

Options

/SFN-DDS – Supports SFN applications
/TLW-DDS-E – WEB & SNMP telemetry extension card
/TLW-DDS-AOIP – Audio over IP, WEB, SNMP telemetry extension card
/08-DIG-DDS – Telemetry via parallel interface
/09-DIG-DDS – Digital telemetry via SCM6 interface
/10MHZ-DDS – External 10MHZ cable

General Parameters

Frequency range| Rated output power| Modulation type| Operational mode| Working temperature| Working humidity| Working altitude| Frequency programmability| Modulation capability
---|---|---|---|---|---|---|---|---
U.M.| MHz| W| –| –| –| –| –| –
PTX30DDS| 30| Direct Digital Synthesis| Mono, Stereo, Multiplex| -5 to +50| 95| Up to 3000| From software, with 1, 10, 100, 1000| 150
PTX100DDS| 100| Direct Digital Synthesis| Mono, Stereo, Multiplex| -5 to +50| 95| Up to 3000| From software, with 1, 10, 100, 1000| 0, 50 (CCIR), 75 (FCC)

Power Requirements

AC Supply Voltage| AC Apparent Power Consumption| AC Power input| Active Power Consumption| Power Factor| Overall Efficiency| Connector
---|---|---|---|---|---|---
–| –| –| –| –| –| –
PTX30DDS| –| –| –| –| –| –
PTX100DDS| –| –| –| –| –| –

Mechanical Dimensions

Front panel width| Front panel height| Physical dimensions| Overall depth| Chassis depth| Weight| Cooling| Acoustic noise
---|---|---|---|---|---|---|---
mm / inch| mm / inch| mm| mm| kg| dBA| |
PTX30DDS| 483 / 19| 88 / 3 1/2 2HE| 400| 389| About 10| Forced, with internal fan| < 56

Audio Inputs

Connector| Left / Mono| Type| Impedance| Input Level / Adjust
---|---|---|---|---
–| –| –| –| –
PTX30DDS| XLR F Balanced| 10 k or 600| -12,5 to +12,5 dBu|

Outputs

RF Output	Connector	Impedance
–	–	–
PTX30DDS	N type	50 Ohm

Fuses

Output Level| On mains| On services| On PA Supply| On driver supply
---|---|---|---|---
–| –| –| –| –
PTX30DDS| 1 External fuse F 6,3 AT – 5×20 mm| X| X| X

Product Usage Instructions

To use the PTX-DDS Series FM Transmitters, please follow the instructions below:

Choose the appropriate model based on your desired output power.
If needed, select the optional features that suit your application.
Ensure the transmitter is connected to a suitable AC power supply voltage.
Connect the audio inputs using the specified connectors and adjust the input levels accordingly.
If required, connect the RF output to the appropriate connector with the correct impedance.
If necessary, replace the fuses as indicated.
Follow any additional instructions provided in the user manual for specific settings and configurations.

For more detailed information on the product’s features and specifications, please refer to the user manual provided by R.V.R. Elettronica S.r.l.

Full Digital modulation of the carrier directly on the operating frequency without any conversion.
DDS “Direct to Channel” Exciter / Transmitter.
Generates a RF signal free from mechanical disturbances.
Clear and transparent digital audio .
Noise / signal ratio as low as 90dB.
Low distortion and stereo separation as high as 70dB.
“SFN” Single Frequency Network (option).
Full compliance with EC, FCC and CCIR standards.
Standard Frequency Range: 87.5 – 108 MHz. Other bands on request.
0% – 100% Output Power continuously adjustable.
Fold-back control for effective “VSRW” protection.
Includes IAMLC: Intelligent Automatic Modulation Level Control.
Timing, Priority and Changeover functions on all audio inputs.
Analogue Inputs: Analogue Stereo L&R, Mono, MPX.
Digital Inputs: AES/EBU, S/PDIF, TOSLINK.
Built-in high-performance stereo coder.
Auxiliary input for SCA / RDS signals.
Included ITU audio limiter to control emissions into the spectrum.
Suitable for iso frequency applications thanks to a optional SFN board.
Built-in digital RDS encoder with UECP standard functions.
WEB, SNMP2, GSM, Serial remote controls (option).