| Main / Frame synchronizers / PDFE-3307
| PDFE-3307 series SDIembedded synchronizers |
PROFLEX™ PDFE-3307 series SDIembedded synchronizers accept the SDI signals providing the synchronization the a REF black-burst input. The audio delay follows video, audio delay and gain may be manually adjusted.
PDFE-3307 provides the PAL monitor output with a bargraph OSD four-channel audio level meter.
Features
- automatic cable equalization on SDI input
- built-in 1kHz test-tone generator
- SDI sgnal loss indication
- EDH error detection and indication (min/hour)
- embedded audio indication
- audio delay follows video
- presettable embedded and external audio gain
- user-presettable 32-TV frame audio delay
- analog, AES/EBU or combination of both audio inputs
- user-selectable audio group for deembedding
- user-selectable audio group for embedding
- RMS or quazi-peak scale of the bargraph OSD audio level meter at PAL monitor output
- output SDIembedded synchronization to REF:
- within a TV frame: ±127 TV lines
- within a TV line: ±32µs with 37ns increments
Technical specifications
- Inputs:
- SDIembedded
| connector type and input impedance |
BNC, 75 Ohm |
| cable equalization |
automatic, up to 100 meters of 8281 or similar |
- REF video
| input type |
AC |
| connector type |
BNC |
| input impedance |
>10kOhm |
| input sync pulse amplitude |
0.3±0.1V |
- Outputs:
- SDIembedded
| number of outputs |
three, reclocked |
| standard compliance |
ITU-R BT.656, embedded audio |
| output impedance, connector type |
75 Ohm, BNC |
| return loss |
better than 18dB at 270MHz |
| output amplitude |
0.8V±10% |
| audio gain adjustment range |
±6dB with 0.1dB increments |
- PAL monitor
| output impedance, connector type |
75 Ohm, BNC |
| video DAC |
10 bits |
| output amplitude |
1.0V±2% at 75 Ohm |
| frequency response ripple |
less than 3dB up to 5.5MHz |
General description
PDFE-3307 simplified schematic
The input SDI signal is equalized, reclocked and decoded into the 10-bits 4:2:2 stream which is processed to recover video and audio. Video stream is buffered and synchronized to the REF signal. The deembedded audio is buffered and a user-controllable delay is applied. The resulting audio stream is reembedded into an output SDI. The monitor output provides the PAL picture with the audio level meter OSD.
PDFE-3307 rear panel view
Controls and indicators
Controls and indicators are located on the PDFE-3307 frontal panel.
Controls:
- MODE: toggles through the list of editable modes
- DOWN/UP: edit the currently selected menu entry
The simultaneous depression of the DOWN and UP buttons resets the menu entry to the factory default value.
- FREEZE – the frame freeze mode ON/OFF
Menu entry selection indicators:
- INP GROUP SEL – audio group number selection for the deembedding
- OUT GROUP SEL – audio group number selection for the embedding
- AUD SOURCE – audio input selection
- TON – 1kHz test tone ON/OFF
- VU METR – audio level meter's OSD position and ON/OFF status
- TIMING H – output SDI H-timing to the REF
- TIMING V – output SDI V-timing to the REF
- TIMING AUD DELAY – audio delay in TV frame increments
- FREEZE – lit when the frame freeze mode is enabled
- GAIN 1/2 – lit when the audio gain is being preset in the 1st channel pair
- GAIN 3/4 – lit when the audio gain is being preset in the 2nd channel pair
PDFE-3307 status indicators:
- ADVANCE – output SDI signal advance/delay status to the REF indication
- AUD DET – lit when the input SDI signal contains the embedded audio
- EDH MIN/HOUR – lit if the EDH error was detected within the last minute/hour interval
- INP – lit when the input SDI signal is detected
- REF – lit when the REF signal is present
The remote control and management from a PC
All the PROFLEX™ modules are remote controllable from a PC. This facility is available if a rack is fitted with a CPU module (ordered separately). |
