Transcript
MM45_fab07.qxd
10/17/07
9:35 AM
Page 1
Descriptions
MM45 Universal-Chassis Single Channel A/V Mini-Modulator
u 92-channel range 54-612 MHz (CATV-2-88) u 45 dBmV adjustable output for optimum carrier-to-noise performance u Compatible with most manufacturers mini-modulator chassis u Digital phase-locked loop (PLL) design guarantees precise frequency locking for solid drift free performance u BTSC stereo compatible preemphasis disable switch provides pass-through for stereo signals. u SAW (surface acoustic wave) filtered for superior adjacent channel performance enables drop-in channel expansion u N-band carrier-to-noise ratio >55dB ensures superior picture quality u Front panel access to controls enables easy set-up
Rev. 03/07
MM45 Universal-Chassis Single Channel A/V Mini-Modulator The Pico Macom MM45 is a professional grade high-performance CATV mini-modulator. This modulator accepts any audio/video baseband signal and provides a 45 dBmV minimum output on CATV channels 2 to 88 (54-612MHz) while accomodating HRC and IRC offset frequencies. The unit can be reconfigured to any output channel within band by qualified servicecenters. Up to 12 or 16 units can be installed in Pico Macom’s MPC-12,MPC-12R or MPC-16 chassis with MPCMA agile mini-modulators or MPCD mini-demodulators. It’s universal design allows installation in other manufacturers’ mini-mod chassis. The MM45’s phase-locked loop circuitry and unique multi-stage output bandpass filtering ensure accurate and spurious-free output. In addition, the MM45 uses SAW filtering with FCCgroup delay correction circuitry to provide superior adjacent channel selectivity. The MM45 modulator is shipped with all internal adjustment spreset. Pico Macom backs up the product with its industry leading 5-year limited warranty.
6260 Sequence Drive, San Diego, CA 92121 Ph: 858-546-5050 Fax: 858-546-5051
MM45_fab07.qxd
10/17/07
9:35 AM
Page 2
Specifications
MM45 Universal-Chassis Single Channel A/V Mini-Modulator
Video
RF Channels: Frequency Range: Output Level: Output Impedance: Audio/Video Ratio: Frequency Stability: Spurious Output: Carrier-to-noise ratio (in-band): Carrier-to-noise ratio (out-of-band): Fv-1.5 MHz: Fv-6.0 MHz:
92 Channels(CATV 2-88) 54-612MHz 35 to 45 dVmV adjustable from front panel 75 ohms Adjustable -10 to -25dB ±5 kHz in aeronautical band Conforms to FCC Docket 21006 -60 +dB below video carrier with A/V ratio @ -15dB >55 dB
Video Depth of Mod: Input Impedance: Input Level Range: Differential Gain: Differential Phase: Chrominance Luminance Delay:
Meets FCC group delay pre-distortion correction for color transmission
Audio Audio Input Impedance: Baseband Input Level: Preemphasis: Flatness:
>55 dB >55 dBc >55 dBc
87.5% @ 1V p-p 75 ohms 0.5 V to 1.5 V p-p > 6% > 6°
5k ohms 0.5 V V p-p for 25 kHz peak deviation 75 microseconds 1.5 dB max. 50 Hz to 15 kHz
General Power Input: Operating Temperature: Dimensions: Weight: Connectors RF: Power:
+12 Vdc, +5 Vdc -10° to +50°C 1˝(W) x 7.5˝(D) x 3.5˝(H) 0.7 lbs. “F” type 0.100” center 3-pin
Ordering Information MM45 –
Channel
6260 Sequence Drive, San Diego, CA 92121 Ph: 858-546-5050 Fax: 858-546-5051
Rev. 03/07
