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3W TRANSMITTER/EXCITER
(1/2 X 19”/1U STANDARD-RACK)

Additional information

Weight 1.5 kg
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specification

Technical Data

Switchable channels
16, preset in one of the following ranges (others on request):

140 ÷ 250 MHz, 300 ÷ 360 MHz, 470 ÷ 880 MHz.

Switching-window
15 MHz, in the 140 ÷ 250 and 300 ÷ 360 MHz ranges;

25 MHz, in the 470 ÷ 880 MHz range.

Frequencies
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”.

Frequency error
< ± 5 ppm, in the rated temperature range.

Temperature range
-10 ÷ +55 °C.

Modulation
FM, with 50 µs pre-emphasis.

Nominal deviation
±20 KHz, with NR-system pre-set Off;

±40 KHz, with NR-system pre-set On.

Peak deviation
±75 KHz, with NR-system pre-set Off;

±55 KHz, with NR-system pre-set On.

RF output power
2.5 W (± 1 dB).

Spurious emissions
< 250 nW.

Antenna connector
N-F type.

Output impedance
50 ohm.

Audio input
transformer balanced, floating (XLR3-F connector).

Audio input level
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) (Input impedance = > 5 kohm)

Peak-limiter
automatic, with dynamic range > 24 dB over the level set for the nominal deviation.

NR-system
compander circuit, can be internally pre-set (or excluded) between following modes:

ENR (Wisycom Extended-NR), as default

NR (Standard-NR), to be compatible with other apparatus.

AF bandwidth
30 Hz ÷ 20 KHz.

Frequency response
± 0.5 dB (± 0.25 dB typ.) in the 40 Hz ÷ 19 KHz range.

Distortion
< 0.3 % (0.15 % typ.).

SND/N ratio
> 110 dB (115 dB typ.), with NR-system pre-set On;

> 70 dB (76 dB typ.), with NR-system pre-set Off.

(referred to the peak deviation, and measured: 22 Hz/22 KHz, RMS, unweighted).

LED indications
apparatus On (green LED is on);

limiter-on status (red LED is on).

Bar-graph meter
± KHz deviation

± dB deviation

referred to ± 20 KHz deviation.

Powering
10.5 ÷ 16 Vdc / 10 W (typ.: 900 mA @ 12 Vdc), negative ground

mains 100 ÷ 264 Vac, by means of optional PSP25-L "mains-plug" power supply.

Dimensions
243 x 43 mm (1/2 x 19”/1U standard-rack) x 226 mm depth.

Weight
1.5 Kg approx.

Color

Black

features

Available in various ranges:⇒ 140 ÷ 250 MHz, ⇒ 300 ÷ 360 MHz, ⇒ 470 ÷ 880 MHz.
Wide pre-tuned switching-window:⇒ 15 MHz in 140 ÷ 250 and 300 ÷ 360 MHz ranges, ⇒ 25 MHz in the 470 ÷ 880 MHz range.
16 switchable frequencies.
Easy PC frequency-reprogramming by the user (in the pre-tuned switching-window).
Friendly factory frequency re-allocation (in the whole working-range).
Broadcast superlative quality of any audio-signal transposition.
Suitable for very complex multi-channel systems thanks to the very low noise and signal clearness.
Very easy and friendly to operate.
Exceptional sturdiness and absolute reliability.

Brand

Wisycom

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BROADCAST Outside Broadcast (OB) Wisycom RTE25