Verterx Standard VX-1400 Series, Service Manual, Page: 2 / 66

2 VX-1400 Series Service Manual
Specifications
General
Frequency Range: RX: 30 kHz - 30 MHz, TX: 1.6 - 30 MHz
Number of Channel: 512
Emission Modes: A1A (CW), J3E (LSB/USB),A3E (AM), H3E (2182 kHz only),
J2B (FSK/AFSK)
Synthesizer Steps: 10 Hz
Antenna Impedance:
50 Ohm, Unbalanced
Operating Temperature Range: -20° C to +60° C
Frequency Stability: ±0.5 ppm
Power Requirements: DC 13.8V±15 %
Current Consumption: Receive (No Signal) 1 A, Transmit (Max) 23 A
IP Rating: IP54 Front Panel (Only with MH-77 connected)
Case Size (W x H x D): 178 x 60 x 268 mm (7" x 2.4" x 10.6") w/o knobs and fans
Weight (approx.): 3.4 kg (7.5 lbs)
Receiver
Circuit Type: Double Conversion Superheterodyne
Sensitivity (10 dB S/N): J2B/J3E/A1A
0.5 - 1.6 MHz
0.71 µV
1.6 - 30 MHz 0.16 µV
A3E
0.5 - 1.6 MHz
7.93 µV
1.6 - 30 MHz 1.00 µV
Adjacent Channel Selectivity:
2.2 kHz/4.5 kHz (J2B/J3E/A3E Narrow)
(-6 dB / -60 dB) 500 Hz / 1.2 kHz (A1A Narrow)
6 kHz / 20 kHz (A3E)
IF Rejection: 80 dB (1.8 - 30 MHz)
Image Rejection:
80 dB (1.8 - 30 MHz)
Audio Output: 10 W into 4 Ohm @ 5% THD (J3E/A1A)
Transmitter
Power Output (@13.8 V, 25° C): 100 W (J2B/J3E/A1A),
Low/Mid/High, 3 steps selectable the setting power is adjustable by
1 W step (100 W - 10W)
25 W AM Carrier (A3E/H3E) (25 W - 2.5W)
Modulation Type: PSN Type Modulator (SSB),
Low-Level (Early Stage) (AM)
Spurious Radiation (Harmonics): -42 dB (1.8 - 30 MHz)
-36 dB (1.6 - 1.8 MHz,)
J3E Carrier Suppression: -45 dB @ 100 W (PEP)
Undesired Sideband Suppression:
50 dB @ 1.5 kHz tone, 100 W (PEP)
SSB Audio Response: < -6 dB (300 to 2400 Hz)
Occupied Bandwidth: < 0.5 kHz (A1A)
< 3.0 kHz (J2B/J3E/H3E)
< 6.0 kHz (A3E)
Microphone Impedance: 200 Ohm - 10 k-Ohm, (600 Ohm: Nominal)
Specifications are subject to change without notice or obligation.