RF Up/Down Converter for VST

Overview:

The Digilogic RF UP/Down Converter for VST has been designed with latest cutting edge technology which is compatible with National Instruments hardwares / products. To extend the frequency range of operation of Vector Signal Transceiver (VST), we can use this up/down converter with VST. It will up-convert the IF signal of VST either to X or Ku band and down-convert X or Ku band input signal to IF frequency level acceptable for Vector Signal Transceiver. We can also share 10 MHz clock between this up/down converter and VST. We have two bandwidth options available one with 200 MHz and another with 1 GHz. It also comes with a programmable attenuator on the output path providing upto 100 dB of attenuation in 0.5 dB steps.

Applications:

  • EW Systems
  • Radar Systems
  • Simulators
  • Communication Systems

Features:

  • Wideband RF input, 8 to 12 GHz or 12 to 18 GHz
  • 1 GHz Instantaneous Bandwidth
  • One Channel of RF Upconversion
  • One Channel of RF Downconversion
  • Standard 2U 19-inch Rack Mount

Technical Specifications:

Sl. No.

Description

Specifications

A

Downconverter Specifications

1

Input Frequency (RF IN)

X - Band (8 - 12 GHz)/Ku band (12-18 GHz)

2

Output Frequency (IF OUT)

2.5 – 3.5GHz Range

3

Frequency Tuning Step Size

1 KHz

4

Bandwidth

1 GHz/200 MHz

5

No. of Channels

1

6

Input Power

-50 dBm to 0 dBm

7

Max Input Power w/o Damage

+30 dBm

8

Input SFDR

50dB

9

Amplitude Flatness

± 3 dB (Within 1GHz Bandwidth)

10

Spurious

Better than -60 dBc

11

Residual LO Power

< -60 dBm

12

VSWR

Better than 1.5:1

13

Noise Figure

10 dB

14

Impedance

50 Ohm

15

Gain factor

0 dB

16

Connectivity

RF IN & IF OUT: SMA (female)

B

Upconverter Specifications

17

Input Frequency (IF IN)

2.5 – 3.5 GHz Range
18

Output Frequency (RF OUT)

X - Band (8 - 12 GHz)/Ku Band (12-18 GHz)
19

Frequency Tuning Step Size

1 KHz
20

Bandwidth

1 GHz/200 MHz
21

No. of channels

1
22

Output Power Control Range

100 dB (Attenuation)
23

Resolution of Power Control

0.5 dB steps
24

Attenuation update rate

2 MHz
25

Input Power to Upconverter

-50 to 0 dBm
26

Amplitude Flatness

± 3 dB (Within 1GHz Bandwidth)
27

Gain factor

0 dB
28

Output Frequency Accuracy

± 0.5 ppm
29

Spurious in 1 GHz BW

Better than 50dBc
30

Residual LO Power

< -60 dBm
31

VSWR

Better than 1.5:1
32

Noise Figure

15 dB
33

Impedance

50 Ohm

34

Connectivity

IF IN & RF OUT: SMA (female)

 C

 General Specifications

 35

 Type of Waveforms

 CW, RF Pulses, Modulated RF Pulses, CW + PRT Train
 36

 Min Pulse Width

 50 ns
37

Min PRT

500 ns

38

Max Signal Bandwidth

1 GHz/200 MHz

39

Pulse ON to OFF Isolation

80 dB

40

Total Loop Delay

~ 1 us

41

LO

Common for Up/Down Converters

42

External Reference In Frequency

10 MHz, 1.65VPP into 50 Ohms, Sine wave

43

Image Rejection

-75 dBc, Typical

44

Phase Noise

-99 dBc, Typical at 20 kHz offset (single sidebanded)

45

Interface 1

TTL Digital Control for tuning frequency & amplitude

46

Interface 2

BNC Connector to accept PRF input

47

Power Supply

AC 230 V, 50 Hz

48

Operating Temperature

00 - 500 C

49

Size

2U, 19” Rack mountable, 400mm Depth

50

Weight

Appx 15 kgs

51

Remote Control Interface

USB, LAN

 

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