Full Bandwidth Analog TV Modulator

Product introduction：This Modulator is one digital-type analog TV modulator developed by software technology. The built-in new FPGA + DDS technology architecture is used to achieve full-system, full-channel, digital, and analog TV modulation functions.

Description:

This Modulator is one digital-type analog TV modulator developed by software technology. The built-in new FPGA + DDS technology architecture is used to achieve full-system, full-channel, digital, and analog TV modulation functions. The technical indicators fully meet and exceed the relevant national standards.

The whole machine is produced using the full SMT process, which not only has outstanding technical indicators, but also has high product reliability.

Functionally flexible design. With adjustable power ratio of image and sound; no video protection and other functions.

The whole machine uses a 1U / 19-inch standard aluminum alloy chassis, which is small and lightweight.

This modulator is the best choice for the modulator of TV transmitters of various power levels.

Features:

● Adopting the new FPGA + DDS technology architecture to realize digital modulation, superior performance and good consistency.

● Adopt modular design concept, which is convenient for long-term maintenance and upgrade.

● With no-video protection function and lightning protection measures for the whole machine and components.

● Various technical parameters can be read through the front LCD screen.

● With RS232, TCP / IP and other communication interfaces, and for remote monitoring and management.

● Using high-quality switching power supply, complete protection functions, wide voltage range operation.

Modulator block diagram:

Analog TV Exciter Diagram.png

Technical Specifications:

Modulator:

1. Working frequency band: VHF / UHF

2. Image carrier frequency deviation: ± 200Hz

3. Output power: 0dBm

4. Output impedance: 50Ω

5. Useless emission: ≤-50dB in adjacent channels

≤-65dB outside adjacent channels

6. RF output interface: N-50KF

7. Power supply: single-phase 220VAC / 110VAC

8. Cooling method: forced air cooling

9. Working environment temperature: -10~+45 ℃

10. Dimensions: 483mm (width) × 44mm (height) × 300mm (depth)

11. Weight: 3Kg

Image:

1. Video input level: 1VP-P positive polarity

2. Video input impedance: 75Ω

3. Video band reflection loss: ≥35dB

4. Video input interface: BNC-K

5. Periodic clutter SNR: ≥55dB

6. Continuous random wave SNR: ≥60dB (weighted)

≥55dB (un-weighted)

7. Amplitude frequency characteristics: meets standard requirements

8. Group delay: ± 30ns

9. 2T sine wave square wave distortion: ≤0.5%

10. 2T sinusoidal square wave and bar pulse amplitude ratio: ≤0.2%

11. Line frequency tilt: ≤1.5%

12. Field frequency tilt: ≤1%

13. Non-linear distortion of brightness: ≤2%

14. Differential gain DG: ≤ ± 1%

15. Differential phase DP: ≤ ± 2 °

16. Color / brightness gain difference: ≤1%

17. Color / bright delay difference: ± 5ns

18. Stability of blanking level: ± 1%

19. Modulation degree: ≤87.5%

Sound:

1. Audio / Video carrier power ratio: -10dB

2. Sound carrier frequency deviation: ± 200Hz

3. Audio input level: 0dBm ± 6dBm

4. Audio input impedance: 600Ω balanced or 10KΩ unbalanced

5. Audio input interface: XLR-K / BNC-K

6. Sound modulation capacity: > ± 100KHz

7. FM signal-to-noise ratio : ≥70dB

8. Amplitude-frequency characteristic: ± 1dB

9. AM noise (without modulation) : ≤-55dB

10. Internal carrier noise (100% modulation) : ≤-50dB

11. Harmonic distortion: ≤0.3%

12. Maximum frequency deviation : ± 50KHz

13. Pre-emphasis time constant : 50us

Payment Method

We accept online payments via paypal, credit and debit cards. We also accept western union, money gram and bank transfer.

To order goods online and pay them via paypal, credit and debit cards, simply add your selected items to your basket, and proceed to the checkout, where you will be guided through the payment process.

Payment via PayPal:

1. You have your PayPal account, then choose the PayPal to complete the payment directly

2. If you want to use the PayPal payment, but you don’t have one PayPal account, please register one first.

Note: Choose the PayPal payment, you can choose your country currency, we accept all the currency.

Payment via Debit and Credit Card:

1. You click MasterCard, Visa Credit Card, American Express, Discover payment directly, you will be redirected to the PayPal website, then choose the payment method again, and fill in your card information to complete the payment.

2. You click the PayPal&Credit, you will be redirected to the PayPal website, the one is PayPal payment, the other one is Pay with Debit or Credit Card payment. Choose one to complete the payment.

Note: Your credit card will be charged upon placement of your order.

Payments via Western Union, Money Gram and Bank Transfer

If you would like to place your order, please contact us with the following information:

E-mail: service@uncuco.com

WhatsApp: +8615989288128

Your billing and delivery address.
Your full name, phone number and email address.
The list of items you'd like to purchase.
We will get back to you with a proforma invoice, and the directions for the final step to complete the direct deposit.

The payment needs to be verified by our in-house accounts department and goods will only be dispatched on their verification. Only once the funds have reflected in our bank account, will the goods be allowed to leave the store.
Please note that bank transfer transactions can take up to 4 business days to clear into our account. We will process your order as soon as your payment has cleared. To ensure a speedy turn around time, please notify us once you have made the deposit.

We offer cardholders the highest level of security in online shopping, irrespective of the type of card (credit or debit). All debit or credit card payments are processed via Activa System’s Secure Payment Gateway. All payment card information is entered exclusively on the bank’s 3D secure pages. We as the merchant do not store, have access to or sight of the payments card information. Should you select to pay with a payment card, you will therefore be redirected to secure pages administered by the Activa processing centre and a bank with which we have reached a card acceptance arrangement.

Verified by Visa & Mastercard
The Verified by Visa and MasterCard SecureCode trademarks displayed above allow each online purchase made with your payment card to receive additional protection via 3D Secure security protocols. 3D Secure is a unique service offered by MasterCard and Visa International that uses a One Time Pin (OTP) to protect a cardholder against unauthorized use of their card. Once activated, your card number cannot be used for online purchases at participating merchants without your One Time PIN (OTP). The OTP is sent to your cell phone during payment as the final step to complete the transaction.

SHIPPING AND DELIVERY

Shipping prices will be calculated at check-out, based on the weight of the goods, the country to which we are dispatching, and the shipping service you choose. If you place the order offline by email or phone, we will send you a proforma invoice including the shipping prices.

When will I receive my order?

The likely delivery timescale for orders will depend on the availability of the items you order, the delivery method you choose (where applicable) and the shipping destination country.

Delivery times can be calculated based on formula: Time to stock + 7days~15days ( The time shipping company needs deliver the products to address in your country)

Time to stock is the number of days we need to prepare your order for shipment or how long manufacturer or supplier needs to deliver the product to our warehouse.

Delivery tracking

We use DHL or Fedex or UPS or EMS express service for our deliveries. The tracking number will be sent to you by email as soon as we will ship the order. Please note that no information will be available for the tracking number until the shipping company has actually picked up the package. Please allow up to one business day for tracking information to become available. All deliveries require a signature.

Please note

We are only able to dispatch goods once payment has been received.
All orders are subject to approval by our verification department. We will notify you by phone or email should your order be delayed.
If, for any reason, we cannot supply a product you have ordered, we will contact you via email or phone and place your product/s on back-order once you have agreed you would like to wait. If you choose to put your order on back-order, we will provide you with personalized weekly updates and will notify you once your order has shipped. If one or more of your items is in stock and you are waiting on other item/s, you can have your order part shipped. A sales representative will keep you updated on the remaining portion of your order, and can provide tracking information for both shipments.