Holland Electronics SAWM60 User Manual
Sawm60, Audio/video modulator
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Table of contents
Document Outline
- SAWM60
- AUDIO/VIDEO MODULATOR
- Specifications
- Description
- Features
- Specifications
- RF
- Channels: 134 channels (2-135)
- Frequency Range: 54 - 860 MHz
- Output Level: 60 dBmV min., 62 dBmV typ. Ch.2-62
- 57 dBmV min., 60 dBmV typ. Ch.63-135
- adjustable from front panel
- Output Impedance: 75 ohm
- Audio/Video Ratio: Adjustable -7 to -22 dB below video
- carrier
- Frequency Stability: ( 5 kHz in aeronautical band
- Carrier to Noise (In-band): >60 dB
- Spurious Output (A/V Ratio @ -15 dB): In Band >65 dBc
- Spurious Output: Outside Band (typical) >60 dBc
- IF Audio/Video Frequency: Video 45.75 MHz
- Audio 41.25 MHz
- Video
- Input Level: 1 V p-p min. at 87.5% modulation
- Input Level Range: 0.5 to 1.5 p-p
- Input Type: Clamped video negative sync
- Frequency Response: (0.8 dB, 30 Hz to 4.2 MHz
- Differential Gain: <5% (10 to 87.5% APL)
- Differential Phase: <5°(10 to 87.5% APL)
- Chrominance Luminance Delay: < ( 50ns
- Hum and Noise: -60 dB @ 87.5% modulation
- Video Signal to Noise: -60 dB minimum (weighted)
- Audio
- Baseband Input Impedance: 600 ohms unbalanced
- Baseband Input Level: 0.5 Vp-p for 25 kHz peak deviation
- Pre-Emphasis: 75 microseconds
- Flatness: -1.5dB max. 15 Hz to 15 kHz
- General
- Power Input: 100-240 VAC, 60 Hz
- Operating Temperature: -10℃ to +50℃
- Dimensions: 19”W × 9.375”D × 1.75”H
- Weight: 8 pounds
- Connectors: All “F” type except RCA type for
- baseband audio
- NOTE: Meets FCC group delay pre-distortion correction for co
- Front & Rear Panels
- Installation Procedure
- Frequency Offsets