User's Manual
TM-200 Issue 1.02 November 2005 Page 9 of 64
Specifications
RF Characteristics
Frequency range 7 to 750 MHz
Frequency Response (one channel) ±0.5 dB
Frequency Stability ±250 Hz
RF Output Level +60 dBmV max
Output Impedance 50 Ohms
Harmonics > 60 dB below rated power
Predominant Intermodulation Distortion dBc = decibels below visual carrier
+ 920 kHz
> -53 dBc
- 920 kHz
> -53 dBc
+ 2.66 MHz
> -53 dBc
- 2.66 MHz
> -53 dBc
+ 5.42 MHz
> -53 dBc
+ 7.16 MHz
> -53 dBc
3
rd
Order Intermodulation Distortion
+ 4.5 MHz
> -60 dBc
+ 9.0 MHz
> -60 dBc
All others
> -60 dBc
Spurious Emissions > -60 dBc
NTSC Video Characteristics
Input Level to modulator (for 87.5% modulation) 1.0 V
PP
Differential Phase (at 87.5% modulation) ±2 Degrees
Differential Gain (at 87.5% modulation) 2%
Group Delay < ±40 nS
Video Group Delay Pre-emphasis Conforms to IC/FCC specifications
K-Factor 1.9% for 2T Pulse
Hum and Noise > 60 dB below rated power
Aural Characteristics
Input: 50 Hz – 15 KHz 0 dBm (0.8V)
Impedance 600 ohms, balanced
Frequency Response +/- 1.0 dB
Frequency Tolerance, +/- 500 Hz 4.5 MHz
Frequency Deviation +/- 25 KHz
Harmonic Distortion 1% max
Preemphasis (mono)
75 µs
Internally Defeatable