Dipole DP-1 (DP1; DP 1)
Dipole DP-1 - measuring antenna, designed to measure the intensity of the field, as well as to measure and control the field strength interference.
Frequency - 26MHz - 300MHz.
Rod antenna - 26MHz-80MHz - a shortened dipole compensated.
Mode - continuous.
Type of polarization - linear.
Output Impedance - 50Om.
Connecting plug on THL 200-8081 - jack 50Om 7/16.
Dimensions - 1820 × 60 × 135 mm.
Weight - 0.6 kg.
The design of DP-1
Dipole DP-1 is a compact unit. In case of sealing resin disposed against each half of the high frequency oscillator and a tank plug 7/16, 50Om which serves for mechanical and electrical connection with the carrier-type antenna structure R 2 AT.
Frequency range dipole DP-3 is sub-band:
- 28MHz - 42MGts;
- 42MGts - 80MHz;
- 80MHz - 300MHz.
The symmetry of the DP-1 is at least 20 dB. Dipole DP-1 in combination with a supporting structure 2 antenna ATR, elevator unit FE 1, FE 2, FE 3 and HF LE connecting cable 60 for measuring field intensity of linearly polarized radiation field, in particular for interference field strength measurement.
Dipole DP-1 operates to selectively Microvoltmeter 50Om input impedance, in particular type SMV8.5.
The maximum error of the calibrated antenna DP-1 using the measuring receiver SMV8.5 factor for matching the input impedance of the receiver is 1.5 dB, 2dB.
The smallest measurable field strength in the application SMV8.5 a bandwidth of 20 kHz depending on the frequency according to the coefficient "K":
- From 26 MHz to 42MGts - 28-22dB, 5dB;
- From 42MGts to 80MHz - 15.5 dB-22dB;
- From 80MHz to 300MHz - 7 dB-29dB.
DP-1 for the highest measured sinusoidal field strength in the application SMV8.5 - 130dB.
Products DP-1 are able to withstand shocks 6ms, 12g acceleration, at 1,000 beats per minute.
Antennas DP-1 are splash-and dust-proof and designed for use at ambient temperatures - from -30 º C to +50 º C.