UBS Axcera 325A Appendix A Spec Sheet

500W Transmitter / Translator

325A/327A
425A/427A

Visual Performance

Power Output (Peak) 500 Watts
Output Impedance 50 Ohms
Output Connector Type “N”
Frequency Range (325A/327A) 54 to 88 MHz
Frequency Range (425A/427A) 174 to 216 MHz
Carrier Stability (Transmitters

or Translators with FCR) ±250 Hz

Frequency Translation Stability

(Translators) ±1 kHz
Regulation of RF Output Power 3%
Variation of Output 2%

(over one frame)
Sideband Response

-1.25 MHz and below -20 dB

-0.75 to -0.5 MHz ±0.5 dB, -2 dB

-0.5 MHz to +3.58 MHz ±0.5 dB

+3.58 to +4.18 MHz ±0.5 dB, -1 dB
Frequency Response vs. Brightness ±0.5 dB
Visual Modulation Capability 1%

(Transmitters)
Differential Gain 5%
Incidental Phase Modulation ±3°
Linearity (Low Frequency) 5%
Differential Phase ±3°
Signal-to-Noise Ratio 55 dB
2t K-Factor 2%
Envelope Delay

Transmitters Per FCC Standard

Translators ±40 ns
Video Input (Transmitters) 75 Ohms
Harmonic Radiation -60 dB
Intermodulation Products -52 dB (red field)
Spurious -60 dB

(>3 MHz from channel edge)
Noise Figure w/input Preamp 4.5 dB (max.)

(Translators)
Input Dynamic Range (Translators) -65 to -25 dBm

Aural Performance

Power Output (Average) 50 Watts
Distortion 0.5%
FM Noise -60 dB
AM Noise -55 dB
Aural to Visual Separation 4.5 MHz, ±100 Hz

(Transmitters)

Composite Audio Input (Transmitters)

Input Level 1V peak, nominal
Input Impedance 75 Ohms, unbalanced
Frequency (±0.5 dB response) 30 Hz to 120 kHz

Monaural Audio Input (Transmitters)

Input Level 0 to +10 dBm
Input Impedence 600 Ohms, balanced
Frequency Range (±0.5 dB resp.) 30 Hz to 15 kHz
Pre-emphasis 75µs

Subcarrier Input (Transmitters)

Input Level 1V peak, nominal
Input Impedance 75 Ohms, unbalanced
Frequency Range (±0.5 dB resp.) 20 kHz to 120 kHz

Options

Automatic Station Identifier
Spare Parts Kit
Modulator Option (Translators)
Remote Preamplifier (Translators)
UHF Frequency Correcting Receiver

(FCR) Option (Translators)

Specifications subject to change without notice.

500W Transmitter / Translator

B0042 1202R1-E