10W Composite Frequency-Agile STL System

Features

• Completely Microprocessor supervised
• Frequency directly programmable from Front Panel via LCD Display menu
• Telemetry and remote controllable settings and functions
• State of the art audio quality
• High sensitivity & high selectivity receiver
• Excellent stereo separation
• Meets or exceeds all FCC and CCIR requirements

Specifications

Power Output Available

• 0.5 W to 10 W, adjustable
• option amp: 20 W, adjustable
• option amp: 35 W, adjustable

STL Transmitter Specifications

• Frequency Range: 940 - 960 MHz directly digitally programmable in 10 kHz increments (on request, any selected 15 MHz range between 220 MHz and 440 MHz)
• Frequency of Operation: Synthesized, microprocessor controlled
• RF Output Connector / Impedance: Type "N" female / 50 Ohm
• Frequency Stability: Better than 1 ppm (+/- 1 kHz), -10 to 50 C (14 - 122 F)
• Modulation Type: Direct FM at the carrier frequency
• Asynchronous AM S/ N ratio: Better than -70 dB referred to 100 % AM, no de -emphasis
• Synchronous AM S / N ratio: Better than - 50 dB referred to 100 % AM (FM modulation +/- 75 kHz at 400 Hz), no de-emphasis
• Transient Intermodulation Distortion: <0.1 % (typ. 0.05 %) measured with a 3.18 kHz square wave & a 15 kHz sinewave, FM 75 kHz
• Front panel displays: Frequency, Modulation, Fwd Pwr, Ref Pwr, DC V, Current, Temperature, Alarms and Status indication for all functions
• AC Power requirement: 85 to 260 V, 50 or 60 Hz, single phase, auto sensing, auto adjusting
• AC Power Consumption: Approx. 60 VA
• DC Power Consumption: 24 V DC, approx. 2 A
• Ambient Temperature Range: -10 to 50 C (14 to 122 F)
• Spurious and Harmonic Emissions: Meets or exceeds all FCC and CCIR requirements
• Modulation Capability: MPX / Composite program + RDS/ RBDS + 2 SCA Subcarrier channels
• Audio Inputs: MPX / Composite: Unbalanced BNC and Balanced XLR (selectable) Mono: Balanced XLR SCA / RDS / RBDS: Unbalanced BNC (2) (models with built-in optional Stereo Generator Card only) All levels adjustable from -20 dBm to + 13 dBm, typically set for 3.5 Vp-p (1.237 Vrms / 4.1 dBm) Pre-emphasis (75 microseconds for FCC, 50 microseconds for CCIR), defeatable for flat inputs
• RF Monitor: BNC, approx. -30 dB
• Interlock: BNC, mutes RF when grounded
• Serial Interface: DB9 female RS 232
• Telemetry & Remote Control: DB15 female
• Composite FM S/N Ratio: Better than 80 dB below 75 kHz deviation measured in a 40 Hz to 75 kHz bandwidth, de-emphasis, RMS detector
• Composite Total Harmonic Distortion: Better than 0.1 %
• Stereo Separation: Greater than 65 dB
• Composite Amplitude Response: +/- 0.2 dB or less, 40 Hz - 53 kHz +/- 0.3 dB or less, 53 kHz - 100 kHz
• Front Panel Size: 483 mm (19") W x 88 mm (3.5") H (2 standard rack spaces high)
• Overall Depth: 344 mm (13.5")
• Net Weight: 6 kg (13.2 lbs)
• Options include: available Built in Stereo Generator Card

STL Receiver Specifications

• RF Input Connector / Impedance: Type "N" female, 50 Ohm
• Frequency Range: 940 - 960 MHz directly digitally programmable in 10 kHz increments (on request, any selected 15 MHz range between 220 MHz and 440 MHz)
• Sensitivity: Monaural, -67 dBm for > 68 dB S/N RMS, de-emphasized, 75 kHz deviation; Composite, -47 dBm for > 68 dB S/N RMS, de-emphasized, 40 Hz to 15 kHz ; Stereo (Left and Right Channel, decoded, de-emphasized), -47 dBm for > 62 dB S/N RMS
• Composite Total Harmonic Distortion: 0.4 % or less
• Composite amplitude response: +/- 0.2 dB or less, 40 Hz to 53 kHz +/- 0.6 dB or less, 53 kHz to 100 kHz
• Stereo Separation: Greater than 50 dB @ 1 kHz; Greater than 40 dB 50 Hz to 15 kHz
• Crosstalk: Main to Sub / Sub to Main, Greater than 45 dB
• Selectivity (static): -20 dB @ 200 KHz; -35 dB @ 300 KHz; -55 dB @ 400 KHz
• LCD Displays: Frequency, Modulation, RF Signal Level, Alarms & Status indication for all functions
• Audio Outputs: Mpx / Composite: Unbalanced BNC and Balanced XLR (selectable); Mono: Balanced XLR; SCA / RDS / RBDS: Unbalanced BNC; L&R Channels: Balanced XLR Outputs (models with built-in optional Stereo Decoder Card only)
• 10.7 MHz IF Monitor: BNC connector
• RS232: DB9
• Telemetry & Remote Control: DB25
• Levels: All levels adjustable from -20 dBm to + 13 dBm, typically set for 3.5 Vp-p (1.237 Vrms / 4.1 dBm)
• Temperature Range: -10 to 50 C (14 to 122 F)
• AC Power requirement: 85 to 260 V, 50 or 60 Hz, single phase, auto sensing, auto adjusting, approx 20 W
• DC Power Input: 24 V DC, approx. 0.5 A
• Front Panel Size: 483 mm (19") Wx88 mm (3.5") H (2 Standard rack spaces high)
• Overall Depth: 344 mm (13.5")
• Net Weight: 5.5 kg (12.1 Lbs)
• Options include: Available Built-in Stereo Decoder Card