1.888.902.3309 LIVE CHAT
HDE-CHV-QAM MPEG-2 HD Encoder (HDMI/VGA/Composite/Component/QAM) by Blonder Tongue

HDE-CHV-QAM MPEG-2 HD Encoder (HDMI/VGA/Composite/Component/QAM) by Blonder Tongue

Out of stock
HDE-CHV-QAM (MPEG-2 HD Encoder) 1xComponent/HDMI/VGA/Composite 1xQAM) accepts one (1) high-definition (HD) program from any of the following inputs: 1xComponent, 1xHDMI (unencrypted), 1xVGA, and 1xComposite.
  • Brand
    Blonder Tongue
  • SKU
  • Weight
    2.00 lbs
  • Warranty
    1 Year
  • Condition
  • Status
Questions? Ask our experts!


HDE-CHV-QAM (MPEG-2 HD Encoder) – 1xComponent/HDMI/VGA/Composite – 1xQAM) accepts one (1) high-definition (HD) program from any of the following inputs: 1xComponent, 1xHDMI (unencrypted), 1xVGA, and 1xComposite. MPEG-2 encoded outputs are available in the following formats simultaneously: 1xQAM, 1xASI, and 1xIP (10/100Base-T Ethernet). The QAM RF output is frequency agile over the entire CATV frequency range of 54-1002 MHz (channels 2-158) with an output level of +40 dBmV. The encoder supports Dolby® Digital audio encoding, and Closed Captioning (EIA-608). Comprehensive remote monitoring and control is accomplished using any standard Web browser via a front-panel 10/100Base-T Ethernet connection. A rear-panel VGA output port is available for loop-through applications.

  • Accepts one (1) program from any of the following inputs: 1xComponent, 1xHDMI (unencrypted), 1xVGA, and 1xComposite
  • Simultaneously delivers the following outputs: 1xQAM, 1xASI, and 1xIP
  • Provides +40 dBmV QAM RF output level
  • Provides comprehensive GUI-based monitoring and control via standard Web browsers
  • Compact design permits installation of up to 3 Encoder modules in 1RU
  • Supports Real-time Dolby® Digital audio encoding
  • Supports user-defined PSIP configuration
  • Supports Closed Captioning EIA-608
Connectors: 3x RCA for Video (Y, Pb, Pr) 2x RCA for Analog Audio (L, R) 1x RCA for Digital Audio (PCM)
Video Resolution: 480i, 720p, & 1080i
Video Aspect Ratio: 4:3 & 16:9
Connector: 1x HDMI
Video Resolution: 480i, 720p, & 1080i
HDCP Encryption: Not supported
Audio: Embedded PCM & pass-through Dolby® Digital only
Connectors: 2x Female VGA (Input + Loop-through Output)
Video Resolution: 640x480 @ 60 fps 800x600 @ 60 fps 1024x768 @ 60 fps
Audio: 2x RCA for Analog Audio (L, R) 1x RCA for Digital Audio (PCM)
Connectors: 1x RCA for Video (Y)
Video Resolution: 480i
Audio: 2x RCA for Analog Audio (L, R) 1x RCA for Digital Audio (PCM)
Output Format: MPEG-2 HD MP@ML; ISO 13818-2
Chroma: 4:2:0
Resolution: 480i, 720p, & 1080i
Frame rate: 29.97 fps (480i); 29.97 fps (1080i); 59.97 fps (720p)
Aspect Ratio: 4:3 & 16:9
GOP Structure: I & P frames (user-selectable)
Transport Rate: Variable (user-selectable)
Video Bit Rate: Variable (user-selectable)
Video Pre-filter: Variable (user-selectable)
Intra DC Precision: Variable; 8-11 bit (user-selectable)
Color Space: YCbCr and RGB
Output Format: Dolby® Digital AC-3
Sampling rate: 48 kHz
Bit rate: Variable; 96 - 448 Kbps (user-selectable)
Closed Captioning
Component: EIA- 608; 1x RCA (CC)
HDMI: EIA- 608; 1x RCA (CC)
VGA: EIA- 608; 1x RCA (CC)
Composite: EIA- 608
Connector: 1x “F” Female (Rear-panel)
Modulation: QAM 16, 32, 64, 128, and 256
Standards: ITU-T J.83; Annex A and B
DVB Symbol Rate: Variable; up to 7 MSymbol/sec (MBaud)
Frequency Range: 54 to 1002 MHz
Tuning: CATV Channel Selectable (Ch. 2 to 158)
Channels' Bandwidth: 6 MHz
RF Level: +40 dBmV ±1 dB
RF Level Adjustment: +32 to +42 dBmV, 1 dB increment
Frequency Tolerance: ± 0.5 kHz @ 77 °F (25 °C)
Frequency Stability: ± 5 kHz over 32 to 122 °F (0 to 50 °C)
Amplitude Flatness: ± 0.25 dB (over 6 MHz channel)
Phase Noise: -98 dBc (@ 10 kHz)
Spurious: -60 dBc
Broadband Noise: -70 dBc (@ +35 dBmV output level, 5.5 MHz bandwidth)
Impedance: 75ohm
Spectral Inversion: Auto Recognition
Carrier Suppression: 45 dB
Return Loss: 14 dB typical
Signal-to-Noise Ratio (SNR): 40 dB typical
MER: 40 dB typical
I/Q Phase Error: Less than 1 degree
I/Q Amplitude Imbalance: Less than 1%
Connectors: 1x BNC (Front-panel)
Format: DVB-ASI
Standard: ETSI EN 50083-9
Connector: 1x RJ45 (Front-panel)
Standard: 10/100Base-T Ethernet
UDP/RTP: Supported (user-selectable)
Dimensions (W x D x H): 5.65 x 12.5 x 1.75 inches (144 x 317.5 x 44.5 mm)
Power: External Power Supply (Input 115-230VAC / Output 12VDC @ 3 Amp)
Power Dissipation: 18 W
Weight (one module): 1.5 lbs (0.7 kg)
Operating Temperature: 32 to 122 °F (0 to 50 °C)
Storage Temperature: -13 to 158 °F (-25 to 70 °C)
Operating Humidity: 0 to 95% RH @ 35 °C max, non-condensing
Storage Humidity: 0 to 95% RH @ 35 °C max, non-condensing
Free Ground Shipping
We offer free ground shipping on every purchase of $300 and more for US and US territory. Please choose "Free Ground Shipping (UPS/USPS)" option at checkout.

UPS Ground
UPS provides up-to-date tracking information. Ground service takes anywhere from 2-7 working days for delivery depending on destinations.UPS Ground does not deliver on Saturdays, Sundays or Holidays.

USPS Priority Mail/USPS Express Mail For all shipments shipped via USPS, we offer 'DELIVERY CONFIRMATION' number with each package. Difference between tracking number provided by UPS vs USPS Delivery Confirmation number is: Delivery Confirmation status is updated when the delivery has been made or when the package has made it through major USPS stations.

Air Shipment
Air shipments, Overnight, 2nd day and 3 day select methods offer guaranteed delivery time for your shipment. If you are in hurry or in need for the items on schedule, select one of these methods. Up-to-date tracking information is provided with each Air Shipment. AVProSupply has the right to choose between Air shipments to meet or reduce delivery time. For guaranteed delivery of multiple items with expedited shipping, please contact our customer service representative for personalized assistance to get your items delivered to you when you need them.

International Customers
We offer shipping via USPS/UPS for our international customers. You can find different shipping options during checkout.

Most items ordered from AVProSupply will be shipped out from our California Warehouse. Will-Calls are only allowed with Appointment Only - Please call Customer Service to set one up between the hours of 9am to 6pm PST.


Major Credit Cards: Visa, MasterCard, Discover and American Express.
Paypal: You can select an option of Paying with Paypal in our shopping cart.
Money orders: and personal checks or company checks (may take up to 10 days to clear).
Wire Transfer: ( Bank Transfer ) Only for the amount over $500. Contact us for the bank details.
Phone Orders: To place a phone order please call 1.888.902.3309 or 1.916.246.6264 and one of our Customer Service Representatives will take your order (8:00am - 6.00pm PST).

Purchase order: Fax purchase orders to 1.916.672.2557

We Offer A 30-Day Money Back Guarantee: 
Our main goal is to ensure your complete satisfaction with our service and products. If, for any reason, you are not 100% satisfied with your purchase, you can return it within 30 days of the purchase date for a full refund. Our 30-day money back guarantee applies to all of the products we sell, except for: TVs and monitors 20" and larger, Special Order merchandise, or any item indicated as non-returnable. Shipping is not refundable. Prior to returning your purchase, a Return Merchandise Authorization (RMA) number will be provided to you.

Refunds on returned items will be issued in the same payment form as received from the customer at the time of purchase. Once we receive the product and it passes inspection, we will credit your account. Please allow 3 - 6 business days for a credit to appear on your account.

If the item was sent back to us for an exchange, please allow 3 - 5 business days for the replacement to be processed.

No Returns/Exchanges on the following:

TVs and monitors 20" and larger
Special Order merchandise
Any item indicated on the website as non-returnable

For more information see our official Return Policy

  • Shipping Info
    We offer free ground shipping on every purchase of $300 and more for US and US territory. We deliver worldwide.
  • Payment Methods

  • Return Policy
    We Offer a 30-Day Money Back Guarantee