TR-7750C VHF Radio-VHF Communication Radio-Zhuhai Bright Aviation Inc.-Airport facilities and brand suppliers

一、Business

“Bright Aviation” supplies complete sets of equipment, including spare parts supply, installation and commissioning, flight check, technical consultation,panel repair,factory training, after-sales service, spare parts support, equipment fault repair，periodic inspection and other businesses.

二、Overview

1. TR-7750C，VHF Radio Transceiver, Output power arbitrarily adjustable between 1–50 watts, operating frequency 154–174MHz, channel spacing 25KHz or 12.5KHz.

2. TA-7650C，VHF Radio Transmitter, Used as a transmitter only, arbitrarily adjustable output power between 1–50watts, operating frequency 154-174MHz, channel spacing 25KHz or 12.5KHz.

3. RA-7203C，VHF Radio Receiver, Used only as a receiver, operating frequency 154–174 MHz, channel spacing 25KHz or 12.5KHz.

三、Appearance

The TR-7750C VHF transceiver consists of one transmitter module (TA-7650C), one receiver module (RA-7203C), and one power module (PSU-7006), as shown below.

四、Technical Specifications

General Specifications	AM 25 kHz	AM 12.5 kHz	DSC
Operating frequency	154-174 MHz
Frequency range, channels available	All channels, simplex and duplex within the maritime VHF band available.
Stability	<1.0 ppm.
RF Modes	G3E	G3E	G2B
Keying time	＜10ms
Audio frequency response	300-3400 Hz	350-2500 Hz	/
Data ports	RS232,RS485,100BaseT (LAN).
Protocols	Simple Network Management Protocol (SNMP v2) VoIP Interface: Euro CAD ED 137 Standard for Voice over IP (VoIP)
BITE monitoring	VSWR，Voltages，Currents，Levels，Lock detect，Temperature，0utput power， Reflected power, a.0.
Supply voltage, AC	85 to 264 VAC, 47-63 Hz.
Supply voltage, DC	21.6 - 31.2 VDC negative ground.
MTBF	>10 years/unit.
MTTR	< 30 minutes at lowest replaceable unit.
Dimensions (standard configuration)	Industrial standard 19" rack, 3 U high. Weight 8.0 kg.

Transmitter (TA-7650C)	AM 25 kHz	AM 12.5 kHz	DSC
Output power	1-50 W (adjustable in 0.1 dB steps) also available in 100 W edition.
Adjacent channel power	＞80dBc	＞70dBc	＞80dBc
Modulation level	Up to +/- 5 kHz deviation.
Distortion	＜5%.
Line input	600 Ω,（-36）-（+7）dBm.
Tx timeout	10 to300 s in 10 s step.
Inband keying	Configurable tones: 150-3400 Hz, threshold levels: -40 to -10dBm.
VSWR	1 : lnfinity.
Duty cycle	100% continuous operation @ ambient below 40℃.
Power consumption	＜280W.
Dimensions transmitter unit	142(W) * 230(D) * 128(H)mm，Weight 3.0 kg.
Dimensions PSU unit	71(W) * 303(D) * 128 (H)mm，Weight 1.3 kg.

Receiver (RA-7203C)	FM 25 kHz	FM 12.5 kHz	DSC
Sensitivity	(@ 20 dB SINAD) ≤1 μV	/	/
Adjacent channel rejection	> 70 dB	> 60 dB	> 70 dB
Inter modulation (3 signal)	＞80dBc	/	/
IF bandwidth	±11kHz	±3.5kHz	±11kHz
Image and IF frequency response	＞110dB	/	/
Squelch operation	Adjustable -107 dBm, 30 dB, S/N + carrier override, Activation time < 20 ms. Hysteresis < 3 dB.
Signal/noise	> 40 dB @ 30 dBμV.
AGC range	-107dBm to +5dBm.
Inband squelch signal	Configurable tones: 150-3400 Hz.
Line output	600 Ω,-36 -+7 dBm @ 90% modulation.
Harmonic distortion	< 5% @ 5 kHz FM (line output).
Blocking	> 100 dB @ 1 MHz offset, > 110 dB out of band signals.
Dynamic range	＞120dB.
Spurious response rejection	＞80dB.
Dimensions receiver unit	71 (W) * 230(D) * 128 (H)mm， Weight 1.7 kg.

五、Standards

1、EN 301 929-1 (FM, DSC).

2、EN 301 929-2.

3、ITU-R M.489-2 (FM, DSC).

六、Environmental

1、Temperature range: -20°C to +55°C (operating) ,-40°C to +70°C (storage) .

2、Humidity: 90% @ +40°C (non condensing) .

3、Shock: Transport: IEC-721-3-2, Class 2M3 .

4、Vibration: Transport: IEC-68-2-32, Class2M3. IEC-68-2-6.

5、EMC: EN 301 489.

6、SAFETY:IEC 60950-1,CSA-C22.2.

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