Technical Specifications - WisyCom RTE25 User Manual


Switchable channels
 Switching-window
 Frequencies
 Frequency error
 Temperature range
 Modulation
 Nominal deviation
 Peak deviation
 RF output power
 Spurious emissions
 Antenna connector
 Output impedance
 Audio input
 Audio input level
 Peak-limiter
 NR-system
 AF bandwidth
 Frequency response
 Distortion
 SND/N ratio
 LED indications
 Bar-graph meter
 Powering
 Dimensions - Weight
 Weight
7

TECHNICAL SPECIFICATIONS

: 16, preset in one of the following ranges (others on request):
 140 ÷ 250 MHz,
 300 ÷ 360 MHz,
 470 ÷ 880 MHz.
:
15 MHz, in the 140 ÷ 250 and 300 ÷ 360 MHz ranges; 25 MHz, in the 470 ÷ 880 MHz
range.
:
Microprocessor controlled PLL frequency synthesizer circuit, with 25 KHz minimum step.
They are easily user-re-programmable by DOS-PC and optional "UPK 32 Programming kit".
:
< ± 5 ppm, in the rated temperature range
:
-10 ÷ +55 °C
:
FM, with 50 µs de-emphasis.
 ±20 KHz, with NR-system pre-set Off;
:
 ±40 KHz, with NR-system pre-set On.
 ±75 KHz, with NR-system pre-set Off;
:
 ±55 KHz, with NR-system pre-set On.
:
2.5 W (± 1 dB).
:
< 250 nW.
:
N-F type.
:
50 ohm.
:
Transformer balanced, floating (XLR3-F connector).
:
Micro / Line switchable, and adjustable (for nominal deviation) between:
 Micro = -60 ÷ -28 dBu ( 0.77 ÷ 30 mVrms) (Input impedance = > 2 kohm)
 Line
= -32 ÷ 0 dBu (20 ÷ 775 mVrms)
:
Automatic, with dynamic range > 24 dB over the level set for the nominal deviation.
Option LLK:
For stereo applications, the limiter-circuits of two units can be linked by the optional
external cable.
:
Compander circuit, can be internally pre-set (or excluded) between following modes:
 ENR (Wisycom Extended-NR, with independent Attack- and Recovery-time), default;
 NR
(Standard-NR), to be compatible with other apparatus.
:
30 Hz ÷ 20 KHz.
:
± 0.5 dB (± 0.25 dB typ.) in the 40 Hz ÷ 19 KHz range.
:
< 0.3 % (0.15 % typ.).
 > 110 dB (115 dB typ.), with NR-system pre-set On;
:
 > 80 dB ( 85 dB typ.), with NR-system pre-set Off.
(referred to the peak deviation, and measured: 22 Hz/22 KHz, RMS, unweighted).
 apparatus On
:
 limiter-on status (red LED is on).
 ± KHz deviation
:
 ± dB deviation
referred to ± 20 KHz deviation.
 9 ÷ 15 Vdc / 10 W (typ.: 900 mA @ 12 Vdc), negative ground
:
 mains 100 ÷ 264 Vac, by means of optional PSP25-L "mains-plug" power supply.
:
243 x 43 mm (½ x 19"/1U standard-rack) x 226 mm depth.
:
1.5 Kg approx.
(green LED is on);
(Input impedance = > 5 kohm)