The FI1236MK2 is a Philips Desktop video tuner system RTMA M/N product with the features of System RTMA M and N, True 5 V device (low power dissipation), Full frequency range from channel 2 (55.25 MHz) to channel 69 (801.25 MHz), PLL controlled tuning, True-synchronous vision IF demodulator (PLL), Demodulated video output, AF sound output, second sound IF output, I2C-bus control of tuning, address selection, AFC status information, Complies with FCC and DOC regulations on radiation, Small horizontally mounted metal housing.
The FI1236MK2 is a desktop video tuner system designed for a wide range of RF applications. It features a true 5 V device, full frequency coverage from channel 2 (55.25 MHz) to channel 69 (801.25 MHz), PLL‑controlled tuning, and a true‑synchronous vision IF demodulator. The tuner and IF sections are integrated on a single PCB housed in a metal enclosure with optional phono or F aerial connectors.
The data sheet lists detailed electrical specifications, environmental operating ranges, pin assignments, and ordering numbers. It also includes mechanical dimensions, load impedances for video and audio outputs, and test equipment recommendations for verification.
| Frequency range | 55.25 MHz to 801.25 MHz (channel 2 to 69) |
|---|---|
| Supply voltage (tuner and IF sections) | 5 V |
| Relative humidity (operational) | up to 95 % |
| CVBS output load impedance | 75 Ω (DC and AC) |
| AF sound output load impedance | 1 kΩ (DC), 0.6 kΩ (AC) |
The tuner and IF sections operate from a 5 V supply, making the device a true 5 V system.
It covers channels 2 through 69, corresponding to 55.25 MHz up to 801.25 MHz.