Evertz 7837CDM,Composite Analog Video A to D Converter with Frame Synchronizer

Analog Video Input

Standard

• NTSC, SMPTE ST 170 PAL, ITU624-4

---

Number of Inputs

• 1

---

Connector

• BNC per IEC 61169-8 Annex A

---

Signal Level

• 1V nominal

---

Frequency Lock Range

• ±50 ppm from nominal

---

Input Level Control Range

• ±4dB

---

Black Level Control Range

• ±5 IRE

---

Chroma Level Control Range

• ±20%

---

Hue Control Range

• ±20° (NTSC only)

---

Input Impedance

• 75Ω or High impedance (jumper selectable)

---

Return Loss

• 35dB to 5MHz

---

Serial Video Input

Standard

• SMPTE ST 259-C- 525 or 625 line

---

Number of Inputs

• 1 (non-reclocked)

---

Connector

• BNC per IEC 61169-8 Annex A

---

Return Loss

• 15dB to 300MHz

---

Embedded Audio

• SMPTE ST 272-A

---

Frequency Lock Range

• ±50ppm from nominal

---

Reference Video Input

Standard

• NTSC, SMPTE ST 170 PAL, ITU624-4

---

Number of Inputs

• 1

---

Connector

• BNC per IEC 61169-8 Annex A

---

Signal Level

• 1V nominal

---

Frequency Lock Range

• ±50ppm from nominal

---

Input Impedance

• 75Ω or High impedance (jumper selectable)

---

Return Loss

• 35dB to 5MHz

---

Analog Monitoring Video Output

Standard

• NTSC, SMPTE ST 170 PAL, ITU624-4

---

Number of Outputs

• 1

---

Connector

• BNC per IEC 61169-8 Annex A

---

Signal Level

• 1V nominal

---

Output Impedance

• 75Ω

---

Return Loss

• 35dB to 5MHz

---

Serial Video Output

Standard

• SMPTE ST 259-C – 525 or 625 line

---

Number of Outputs

• 4

---

Connector

• BNC per IEC 61169-8 Annex A

---

Signal Level

• 800mV nominal

---

DC Offset

• 0V ±0.5V

---

Rise and Fall Time

• 900ps nominal

---

Overshoot

• < 10% of amplitude

---

Return Loss

• 15dB to 270MHz

---

Jitter

• < 0.20UI (all outputs)

---

Embedded Audio

• SMPTE ST 272-A

---

Decoder PerformanceSDI outputs only

Frequency Response

• < ±0.1dB (100kHz to 4.2MHz)

---

Differential Gain

• < ±0.5% typical

---

Differential Phase

• < ±0.5° typical

---

Noise Floor

• < -60dB rms (black video VBI lines, 15kHz to 5MHz)

---

C/L Gain

• < ±0.5%

---

C/L Delay

• ±9ns

---

Minimum Delay

• 4.5 lines

---

Maximum Delay

• 1 frame + 4.5 lines

---

Analog Audio Input-A4 only

Number of Inputs

• 4

---

Type

• Balanced analog audio

---

Input Impedance

• 20kΩ minimum (differential)

---

Sampling Frequency

• 48kHz

---

Signal Level

• 0dB FS => 18 or 24dBu (Software selectable)

---

Level Control Range

• ±10dB

---

Frequency Response

• ±0.1dB (20Hz to 20kHz) (broadcast quality)

---

SNR

• 100dB

---

THD+N

• < 0.001% (> 100dB) @ 1kHz, -0.5dB FS
• < 0.001% (> 100dB) @ 20Hz to 20kHz, -0.5 dB FS (input video locked to genlock video)

---

CMRR

• 90dB @ 1kHz

---

AES Audio Outputs-A4 only

Number of Outputs

• 2

---

Output Standard

• SMPTE ST 276, single ended synchronous AES

---

Connectors

• BNC per IEC 61169-8 Annex A

---

Resolution

• 24 bits

---

Sampling Rate

• Synchronous 48kHz

---

Minimum I/O Delay

• 4.5 lines

---

Maximum I/O Delay

• 2.5s

---

Electrical

Voltage

• +12V DC

---

Power

7837CDM

• 17 watts

---

7837CDM-A4

• 21 watts

---

EMI/RFI

• Complies with FCC Part 15, Class A, EU EMC directive

---

Physical

Number of Slots

7700FR-C

• 2

---

7800FR

• 1 (7837CDM) or 2 (7837CDM-A4)