The Ameritec AM5XT is a wideband analog transmission test set designed for qualification and analysis of voice and data circuits across North American telecommunications networks. Operating from 20 Hz to 200 kHz, it complies with IEEE Standard 743-1984 (Bell Standard 41009) and supports testing of voice band telephone, high-quality audio, DDS to 64 kbps, Basic Rate ISDN, and HDSL services. The instrument combines a full-function signal generator with extensive measurement capabilities, enabling simultaneous transmission and reception analysis in both field and laboratory environments.
Technical Specifications
Frequency Range & Signal Generation
• Bandwidth: 20 Hz to 200 kHz
• Signal generator output: Sine wave generation up to 196 kHz
• Standards compliance: IEEE Standard 743-1984 (Bell Standard 41009) Measurement Capabilities
The AM5XT delivers comprehensive signal analysis including dBm level and loss (with 15 kHz or 200 kHz filtering), frequency response, attenuation distortion, wideband and filtered noise measurements, signal-to-noise ratio, noise to ground, impulse noise, phase and amplitude jitter, micro interruptions, group delay, envelope delay, peak-to-average ratio, inter-modulation distortion (4-tone and 2-tone), 2- and 4-wire return loss, and transient analysis (phase/gain hits, impulse noise with tone, interruptions). Power & Storage
• Internal rechargeable lead-acid battery option with built-in charger: approximately 5 hours runtime
• Low battery warning at 0.5 hours remaining
• Operates while charging
• External 115 VAC source for powering signaling adaptors
• Non-volatile memory: 40 stored test set-ups for instant recall – Key Features • Direct front panel control with straightforward interface
• No complex menu navigation – configurations visible at a glance
• Simultaneous signal transmission and received signal measurement
• Programmable signal generation meeting industry purity and accuracy standards
• Test tone generation for circuit qualification – Circuit Types Tested • Voice band telephone
• High-quality audio
• DDS up to 64 kbps
• Basic Rate ISDN
• HDSL (High-bit-rate Digital Subscribers Line)
• Services utilizing up to 200 kHz bandwidth – Connectivity • Front panel binding posts for lineman’s test set connection
• Rear panel screw terminal strip
• Standard banana jacks
