SPECIFICATION
GENERAL
Power Supply: DC 18-20V/650mA
Size: 6" X 7.5" (150mm x 190mm)
EXCITER
RF Output Power: 1 Watt typical (1.5W MAX)
Frequency range: 87.5Mhz-108Mhz no-tune
Output Impedance: 50 Ohms
Output connector: SMA
Frequency steps: 50Khz
MPX or SCA input: BNC unbalanced 10Kohm impedance
Harmonic output: <55dBc
Spurious output: <80dBc
Out of lock RF power-down: <-55dB
S.N.R: >75dB
RDS GENERATOR
Operation mode: Stand alone
Programming with a standard PC LPT port
Signal Bandwidth: 2.4Khz
RDS carrier: 57Khz (over-sampled x 3.2)
Conforms to CENELEC EN50067
4 modes of Dynamic/Scrolling PS
Supports: PI,PS,PTY,TP,AF,TA,DI,M/S,RT,UDG
STEREO ENCODER
Sub-carrier generation: over-sampled x 8
Pilot generation: 19Khz ± 2Hz ( over-sampled x16)
Stereo separation: >55dB (20Hz-15Khz)
MPX output level: unbalanced 75ohm (BNC connector)
LIMITER
Audio input connector: Balanced XLR
Input impedance: 10Kohm
Pre-emphasis: None, 50uS or 75uS
Input CMRR: >65dB
Frequency response: 20Hz–20Khz
FEATURES
Compact size - SMT design
Single power supply with onboard voltage regulators
Microprocessor controlled with LCD display
Excellent audio response
Selectable Pre-emphasis: None, 50uS or 75uS
Balanced shielded XLR input connectors
Audio Limiter
Stereo Encoder using a modern DSP technology
RDS (Radio Data System)
Excellent VCO with low distortion
Phase Lock Loop (PLL) system with 50Khz steps for worldwide operation
Full Broadband design – no tune for 87.5MHz -108MHz
1W RF output power with LPF for clean spectral
TX190 internal modules and connectors
1 - RDS Program connector
2 - MPX out
3 - MPX in
4 - Audio in left
5 - Audio in right
6 - CPU + LCD Connectors
7 - PLL
8 - VCO
10 - RDS Generator
11 - Voltage regulators
12 - Limiter s Clipper
13 - Stereo encoder
14 - Audio chain Power /- 15V
1
2
3
4
5
10
6
7
8
9
11
14
13
12
Image for illustrative purposes only
Summary of Contents for TX190
Page 1: ......
