M702 — Intercom Output Amplifier

(only shared text)

Also: general boilerplate (9 devices) · general boilerplate (9 devices) · general boilerplate (9 devices)

(only shared text)

Also: general boilerplate (10 devices) · general boilerplate (10 devices) · general boilerplate (10 devices)

PREAMPLIFIER SECTION (M7O1) GAIN: 80dB (Max.) + 2dB FREQUENCY RESPONSE: + IdB 100 Hz to 1OkHz NOISE: Equivalent to 122dBm relative input noise TOTAL HAR- MONIC DISTOR- Less than 1% measured at +18dBm TION: output INPUT: 60dBm; 150 ohms balanced (conditional strapping determines dynamic or carbon source) OUTPUT: +8dBm, 600 ohms balanced (+18dBm Max.) COMPRESSION: 25dB range (may be switched out) POWER +24 to 36 volts dc unregulated.

REQUI REMENTS: 35mA approx: M712 1 x 12 Crosspoint mother board GAIN: Unity (+6dB pre-set control incor- porated FREQUENCY RESPONSE: + 0.5dB 50Hz to 10kHz NOISE: S/N better than 7OdB measured from +8dBm TOTAL HAR- MONIC DISTOR- Less than 0.5% measured at TION: +18dBm INPUT: +8dBm nominal (+18dBm Max:) balanced from direct line or from M703 preamplifier INPUT IMPEDANCE: 30k ohm balanced bridging OUTPUT: OdBm to +8dBm nominal (+18dBm Max: ) CROSSPOINT ISOLATION/CUT OFF: 1OOdB TURN ON/OFF TRANSIENT: Inaudible POWER REQUIREMENTS: 24 volts dc regulated 15mA POWER AMPLIFIER SECTION (M702) GAIN: 35dB (Max:) + 2dB FREQUENCY RESPONSE: + IdB 100 Hz to 8kHz NOISE: S/N better than 75dB measured from 3W output TOTAL HAR- MONIC DISTOR- Less than 15% measured at 3W TION: INPUT: OdBm to +18dBm, 600 ohms balanced from crosspoint matrix OUTPUT: 3 Watts directly into 8 ohms (not balanced) COMPRESSION: POWER +24 to 36 volts dc unregulated, 25mA REQUI REMENTS: (quiescent), 30OmA (at Max.

output)