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VT30/OM Rev-A 

 

2

1.3  

Specifications 

 

RF Characteristics 

Frequency Range (Specify): 

UHF 

340.00 - 399.90 MHz   

100 kHz Channels 

(Other Ranges Available) 

L-Band 

1710.00 – 1850.00 MHz  

250 kHz Channels 

 

S-Band 

2450.00 - 2483.50 MHz  

250 kHz Channels 

 

C-Band 

4400.00 – 4999.75 MHz  

250 kHz Channels 

Frequency Selection (Specify): 

Fixed or Channelized, Full Band, Slide Switch Selectable 

Frequency Stability: 

±0.002% Over -20°C to +50°C 

Output Power (Specify): 

250 mW, 500 mW, 1 W, 2 W, or Dual Power (Any 2 Levels,  

 

Slide Switch Selectable) 

Output Impedance: 

50 

 Nominal, VSWR 1.5:1 Maximum 

Output Protection: 

UHF 

None – 20:1 VSWR Indefinitely 

 

L/S/C 

Internal Isolator - Open/Short Indefinitely 

Spurious Output: 

-13 dBm Maximum 

 

Video Characteristics 

Modulation Type: 

Analog FM 

Modulation Sense: 

Standard (Positive) or Inverted (Negative), Slide Switch Selectable 

Frequency Response (Specify): 

10 Hz to 3.5 MHz (Monochrome), 4.5 MHz (NTSC), or 5.5 MHz 
(PAL), ±1.5 dB 

Pre-Emphasis (Specify): 

525-Line (NTSC), 625-Line (PAL), or None 

Modulation Sensitivity: 

±4 MHz / 1 Vpk-pk @ Crossover Frequency 

Input Impedance: 

75 

 Nominal, Unbalanced, Shunted by 30 pF Maximum 

Distortion: 2% 

Maximum 

Incidental FM: 

10 kHz Maximum 

 

Audio Characteristics 

Subcarriers (Specify): 

One or Two 

Subcarrier Frequency (Specify): 

4.83, 5.8, 6.0, 6.2, 6.5, 6.8, 7.2, 7.5, 8.3, 8.5, or 8.59 MHz, or Custom 

Subcarrier Separation (Two): 

700 kHz Minimum 

Frequency Stability: 

±0.5% Over -20°C to +50°C 

Subcarrier Insertion Level: 

-26 dBc Nominal 

Subcarrier On/Off Control: 

Slide Switch Selectable 

Modulation Type: 

Analog FM, Positive Sense 

Frequency Response (Specify): 

20 Hz to 10 kHz (Audio) or 100 kHz (Data), ±1.5 dB 

Pre-Emphasis (Specify): 

75 µsec (NTSC) or 50 µsec (PAL) 

Modulation Sensitivity: 

100 kHz pk-pk @ 1 kHz rate, Mic (-70 to -20 dBm) or Line (-10 dBV) 

Input Impedance: 

4.7 k

 Minimum, Unbalanced 

Input Level: 

Line or Mic, Slide Switch Selectable 

Mic Supply Output (Specify): 

1.5 Vdc, 3.3 Vdc, or 5.0 Vdc 

 

Summary of Contents for VT30 series

Page 1: ...Rev A Operation Manual VT30 Series UHF L S C Band Video Audio Transmitters Designed and Manufactured By 2465 Old Hwy 40W Ste A Verdi NV 89439 Distributed By 107 Woodbine Down Blvd Units 7 8 Toronto ON...

Page 2: ...Operating Instructions 7 4 1 Use and Function of Connectors 7 4 2 Use and Function of Switches 8 4 2 1 Frequency Selection Switches 8 4 2 2 Dual Power Switch 8 4 2 3 Video Inversion Switch 9 4 2 4 Au...

Page 3: ...ceivers on the market 1 2 Capabilities AMP Transmitters are designed for harsh environments and feature robust packaging and connectors Compact package sizes provide versatility in unit placement and...

Page 4: ...esponse Specify 10 Hz to 3 5 MHz Monochrome 4 5 MHz NTSC or 5 5 MHz PAL 1 5 dB Pre Emphasis Specify 525 Line NTSC 625 Line PAL or None Modulation Sensitivity 4 MHz 1 Vpk pk Crossover Frequency Input I...

Page 5: ...250 mW 500 mW 1 W 2 W On Off Control Open Off Ground On Mechanical Material CNC Machined T6061 T6 Nickel Plated Aluminum Dimensions 2 50 W x 3 50 L x 0 35 H Weight 2 5 oz Maximum Connectors RF Output...

Page 6: ...VT30 OM Rev A 4 1 4 Mechanical Drawing and Connector Pin Outs...

Page 7: ...peratures exceeding 75 C may cause permanent damage to the equipment When not used for extended periods of time external connections including power cable video cable and antenna should be removed and...

Page 8: ...Watts 1 Watt 2 Watts Antenna Minimum Minimum Minimum Minimum Gain EIRP Distance EIRP Distance EIRP Distance EIRP Distance dBi Watts Meters Watts Meters Watts Meters Watts Meters 0 0 25 0 20 0 50 0 20...

Page 9: ...power supply to DC Power Cable red positive DC input black negative DC input ground Do not connect DC Power Cable to transmitter until all other connections are complete Connect the transmit antenna t...

Page 10: ...the individual switches as shown in the applicable Frequency Selection Chart included with product shipment and available as a download on the applicable Video Product Page of our website www advmw c...

Page 11: ...dio signal applied to the audio input is transmitted When disabled the subcarrier signal is not produced and no audio is transmitted To enable audio transmission position the corresponding slide switc...

Page 12: ...justments or settings necessary to use AMP Transmitters other than proper configuration of the slide switches as outlined above in Section 4 2 To assure optimum performance the user should be familiar...

Page 13: ...amage If these efforts fail do not attempt to repair the unit Please contact Dyplex or AMP with a detailed description of the problem Depending on the nature of the problem Dyplex or AMP may provide f...

Page 14: ...ping damage Limitation of Warranty The above warranty does not apply to defects of or resulting from the following 1 End items included as part of a system but not designed by AMP are subject only to...

Page 15: ...at 1300 MHz and is 1300 150 W m2 For VT50 UHF transmitters the operating frequency range is 340 400 MHz resulting in a MPE of 2 27 W m2 the lowest MPE in the 340 400 MHz range occurs at 340 MHz and i...

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