10W Composite Frequency-Agile STL System
The 10W is a composite, frequency agile (200-380, 400-470, 512-830, 845-852 and 915-960 MHz) aural STL system consisting of an STL 10W transmitter and STL receiver
STL – Transmitter & Receiver
Synthesized transmitters and receivers (200-380, 400-470, 512-830, 845-852 and 915-960 MHz)
Directly programmable from LCD front panel with digital frequency readout.
Power Output Available
0.5 W to 10 W, adjustable
option amp: 20 W, adjustable
option amp: 35 W, adjustable
10W Composite Frequency-Agile STL System
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: 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
