Vertex Standard VX-1700 Series - Specifications

2 VX-1700 Series (EXP Version) Service Manual
Specifications
General
Receiver Frequency Range: 30 kHz ~ 30.0000 MHz
Transmitter Frequency: 1.600 ~ 30.0000 MHz
Emission Modes: A1A (CW), J3E (LSB/USB), A3E (AM), J2B (USB/LSB),
H3E (2.182 MHz Emergency Channel only)
Frequency Synthesizer Step: 10 Hz, 100 Hz, 1 kHz
Frequency Stability: ±1 ppm (Typical)
Operating Temperature Range: 14° F ~ 131° F (–10° ~ +55° C) @Duty Cycle TX:RX = 1 min.: 4 min.
Antenna Impedance: 50 Ohms
Supply Voltage: 13.8 Volts DC ±15%, negative ground
Power Consumption: 25 mA (Standby)
1.0 A (Receive, no signal)
1.5 A (Receive)
20 A (Transmit, 125 Watts output)
Dimensions (WxHxD): 9.5” x 3.9” x 11.2” (241 x 99 x 285 mm)
Weight (approx.): 9.5 lbs (4.3 kg)
Transmitter
Power Output: 125 Watts (A1A, J2B, J3E @1.6000 ~ 3.9999 MHz)
100 Watts (A1A, J2B, J3E @4.0000 ~ 30.0000 MHz)
31 Watts AM Carrier (A3E @1.6000 ~ 3.9999 MHz)
25 Watts AM Carrier (A3E @4.0000 ~ 30.0000 MHz)
31 Watts AM Carrier (H3E @2.182 MHz)
Modulation Types: J3E, H3E: PSN type modulator,
A3E: Low-level (early stage)
Spurious Radiation: Better than –50 dB (Harmonics)
Better than –40 dB (Harmonics @1.6 ~ 1.8 MHz)
J3E Carrier Suppression: Better than 50 dB below peak output
Undesired Sideband Suppression: Better than 60 dB below peak output
J3E Audio Response: Not more than –6 dB from 400 Hz ~ 2500 Hz
Occupied Bandwidth: A1A: less than 0.5 kHz
J3E, H3E: less than 3.0 kHz
A3E: less than 6.0 kHz
Microphone Impedance: 200 ~ 10 k Ohms (600 Ohms Nominal)
Receiver
Circuit Type: Double-conversion Superheterodyne
Intermediate Frequencies: 1st: 45.274 MHz, 2nd: 24 kHz
Sensitivity: A1A/J2B/J3E A3E/H3E
0.1 ~ 0.5 MHz: — —
0.5 ~ 1.6 MHz: 1.41 μV8 μV
1.6 ~ 30 MHz: 0.16 μV1 μV
(A1A/J2B/J3E/A3E: S/N 10 dB)
Squelch Sensitivity (A1A/J2B/J3E): 0.1 ~ 0.5 MHz: —
0.5 ~ 1.6 MHz: 2.5 μV
1.6 ~ 30 MHz: 2 μV
IF Rejection: Better than 80 dB
Image Rejection: Better than 80 dB
Selectivity: –6 dB –60 dB
A1A(W), J2B(W), J3E: > 2.2 kHz < 4.5 kHz
A1A(N), J2B(N): > 500 Hz < 2.0 kHz
A3E, H3E: > 6 kHz < 20 kHz
Audio Output: At least 2.2 Watts into 8 Ohms @ 10% THD
Audio Output Impedance: 4 ~ 16 Ohms (8 Ohms Nominal)
Conducted Radiation: Less than 4000 μμW
Specifications are subject to change without notice or obligation.