Ametek 7124 Instruction Manual page 187

Reference Input - Remote Connection Unit or Main Console
Reference Channel
Demodulators and Output Processing
Signal Monitor
Amplitude
Output Impedance
TTL Input (rear panel)
Frequency Range
Analog Input (front panel)
Impedance
Sinusoidal Input
Level
Frequency Range
Squarewave Input
Level
Frequency Range
Phase Set Resolution
Phase Noise at 100 ms TC, 12 dB/octave slope
Internal Reference
External Reference
Orthogonality
Acquisition Time
Internal Reference
External Reference
Reference Frequency Meter Resolution
Output Zero Stability
Digital Outputs
Displays
DAC Analog Outputs
Harmonic Rejection
Output Filters
Time Constant
Slope (roll-off)
TC  5 ms
TC > 10 ms
Synchronous Filter
Offset
Phase Measurement Resolution
Reference Monitor
Appendix A, SPECIFICATIONS
±1 V FS. This is the signal received from the
Remote Connection Unit immediately prior to
conversion by the main ADC
1 k
0.5 Hz to 150 kHz (3.0 kHz in Dual
Reference mode with two external references)
1 M // 30 pF
1.0 V rms
0.5 Hz to 150 kHz
250 mV rms
2 Hz to 150 kHz
0.001º increments
< 0.0001º rms
< 0.01º rms @ 1 kHz
90º ±0.0001º
instantaneous acquisition
2 cycles + 1 s
4 ppm or 1 mHz, whichever is the greater
No zero drift on all settings
No zero drift on all settings
< 100 ppm/ºC
-90 dB
10 µs to 100 ks in a 1-2-5 sequence
6 or 12 dB/octave
6, 12, 18 or 24 dB/octave
Available for F < 20 Hz
Auto/Manual on X and/or Y: ±300% F.S.
 0.01º
TTL signal at current reference frequency,
internal or external
A-3