SHF Communication Technologies AGWilhelm-von-Siemens-Str. 23D • 12277 Berlin • Germany
Phone +49 30 772 051-0 • Fax +49 30 753 10 78
E-Mail: sales@shf-communication.com • Web: www.shf-communication.com

Datasheet
SHF DX65RDiplexer

SHF reserves the right to change specifications and design without notice - SHF DX65R - V001 - Dec 21, 2021

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Description
The SHF DX65R diplexer is the RoHS compliant successor of the SHF DX65. A diplexer is essentially abias tee with a certain bandwidth in the low frequency path to combine or separate high frequency and low
frequency signals into or from a single line.
Any existing DC content is blocked from its HF input. Based on SHF’s air line construction, it offers
resonance-free transmission up to 65 GHz. In addition to the low insertion loss, all products have an
extremely low group delay ripple.

Applications


Optical Communications

High-Speed Pulse ExperimentsSatellite Communications



Research and Development

Antenna MeasurementsData Transmission

Configurations
A- HF port: 1.85 mm male, HF+LF port: 1.85 mm female

B- HF port: 1.85 mm female, HF+LF port: 1.85 mm male

C- HF port: 1.85 mm male, HF+LF port: 1.85 mm male

D- HF port: 1.85 mm female, HF+LF port: 1.85 mm femaleOne of above configurations has to be chosen. For more information, please be referred to the mechanicaldrawing on the last page of this data sheet. The low frequency port is always SMA female.

Options
HV100- High Voltage (maximum voltage extended to 100 V)

SHF reserves the right to change specifications and design without notice - SHF DX65R - V001 - Dec 21, 2021

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Specifications - SHF DX65R
ParameterUnitSymbol

MinTypMax

Conditions

Absolute Maximum Ratings for SHF DX65R without Option and Option HV100
30

average power of a continuous 1 signal,
50 Ω load and f ≥ 2 x fLow

V

±20

voltage across the coupling capacitor
between HF and HF+LF port andbetween ports and GND

Maximum Voltage
with Opt. HV100

V

±100

voltage across the coupling capacitor
between HF and HF+LF port andbetween ports and GND

Maximum LF Current

mA

±400

Case TemperatureTcaseMaximum HF InputdBmMaximum Voltage
w/o option

Pin max°C

102550Electrical Characteristics SHF DX65R without Option and Option HV100 (At 25°C case temperature)
High Frequency 3 dB Point
HF-Path

GHz

fHIGH

Low Frequency 3 dB Point
HF-PathMHz

fLOW

High Frequency 3 dB Point
LF-Path

MHz

fHIGH

Low Frequency 3 dB Point
LF-PathHz

fLOW

0DC 2Insertion lossdB

HF+LF/HF

2>0.5 GHz <65 GHz

dB

HF-10>0.5 GHz <65 GHz

dB

HF+LF

-10>0.5 GHz <65 GHz

dB

LF-10<50 MHz±502 GHz … 65 GHz, 160 MHz Aperture

Reflection65

reference is insertion loss at 0.5 GHz

9025

reference is insertion loss at 0.5 GHz

reference is insertion loss at 0.5 GHz

Group Delay Ripple

psDC ResistanceΩ

1LF to HF+LF PortConnector
HF ; HF+LF
LF

Ω

50

1.85 mm

Dimensionsmm

Weightg

Mechanical Characteristics

SMA
please see page 5

22130 dBm (1 W) equals 20 V peak to peak for continuous sinusoidal signals. A pulsed excitation with an average of 1 W and thus
having significantly higher peaks may be possible. The maximum RF input power does not change in case a signal is applied to the LFport.
2For resonance-free transmission the LF port requires a 50 Ω termination.
SHF reserves the right to change specifications and design without notice - SHF DX65R - V001 - Dec 21, 2021

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Typical S-Parameters for a DX65R

HF+LF/HF: blue ; HF+LF/LF: red ; HF/LF: green

HF+LF: blue ; HF: red ; LF: green(HF+LF/HF) Phase [°](HF+LF/HF) Groupdelay [ps]Please refer to the mechanical drawing for the pin assignment.

Aperture of group delay measurement: 160 MHz
Phase measurement has been compensated by propagation delay to visualize phase linearity.
SHF reserves the right to change specifications and design without notice - SHF DX65R - V001 - Dec 21, 2021

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Mechanical Drawing

2.5

2.5

Ø

2.
2

Functional earth holes for 2mm banana plug

valid for all options

2.5

HF

12.28

Ø2.2x 11mm

9.86.5x)(212.2812.6

9.8

6.5mmx)(212.28

9.8

12.28

1390 MHz - 65 GHz

6.5m2mHF

312x

HF + LF3x)(211.3

12.6

26.5

9.8LFmm13

HF + LF

2x
M

311.3

1390 MHz - 65 GHz

5.4x)(21340

LF

M

6.3

26.3

40

20 V / 0,4 A

25.4

13

SN XXXX DC - 25 MHz

HF

12.6

6.3

SHF DX65R-DHF

312.3

1390 MHz - 65 GHz

316.3

40

SN XXXX DC - 25 MHz

LF

5.4

1320 V / 0,4 A

22xM

6.3

SHF DX65R-Cmm

20 V / 0,4 A

2340

SN XXXX DC - 25 MHz

HF + LF

6.3

13

SHF DX65R-B

HF + LF

12xM

6.3

LF
312.3

SN XXXX DC - 25 MHz25.4
1320 V / 0,4 A

90 MHz - 65 GHz

SHF DX65R-A

26.3
12.6

All dimensions in mm

SHF reserves the right to change specifications and design without notice - SHF DX65R - V001 - Dec 21, 2021

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