BPF 3/…-200-SHT

Band-Pass Filter for the 130 MHz Band

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Electrical
Model	BPF 3/1-200-SHTBPF 3/2-200-SHTBPF 3/3-200-SHT
Frequency	116 – 146 MHz
Max. Input Power	350 W @ 0.5 dB IL 150 W @ 2.0 dB IL350 W @ 1.0 dB IL 150 W @ 4.0 dB IL350 W @ 1.5 dB IL 150 W @ 6.0 dB IL
Insertion Loss	Adjustable 0.5 – 2.0 dBAdjustable 1.0 – 4.0 dBAdjustable 1.5 – 6.0 dB
Impedance	50 Ω
Attenuation	See figure 1See figure 2See figure 3
VSWR	< 1.5:1

Environmental
Frequency Stability	Approx. 1.5 ppm / °C
Operating temperature range	-30 °C to +60 °C

Mechanical
Connection(s)	N(f)
Max. RPM	200 (on tuning rod)
Historic Brand	Amphenol Procom
Dimensions	ø200 x 600 mm / ø7.87 x 23.62 in.200 x 400 x 600 mm / 7.87 x 15.75 x 23.62 in.200 x 600 x 600 mm / 7.87 x 23.62 x 23.62 in.
Weight	Approx. 4.6 kg / 10.14 lb.Approx. 10 kg / 22.05 lb.Approx. 14.5 kg / 31.97 lb.

High power base station shortened band-pass filter for the 116 – 146 MHz range.
Due to the use of large ø200 mm cavities a high Q is achieved, resulting in a very narrow passband.
The large dimensions also mean a high power rating.
The SHT-version has only 600 mm cavity length.
Unloaded Q of a single cavity is approx. 3000.
High frequency stability on temperature and power.
19” mounting brackets are available as an option.

This product doesn’t have any diagrams yet.

Model	Product No.	Max. Input Power	Insertion Loss
BPF 3/1-200-SHT	200000983	350 W @ 0.5 dB IL 150 W @ 2.0 dB IL	Adjustable 0.5 – 2.0 dB
BPF 3/2-200-SHT	200001163	350 W @ 1.0 dB IL 150 W @ 4.0 dB IL	Adjustable 1.0 – 4.0 dB
BPF 3/3-200-SHT	200001890	350 W @ 1.5 dB IL 150 W @ 6.0 dB IL	Adjustable 1.5 – 6.0 dB

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Figure 1

BPF 3 1 200 SHT curve GB

Figure 2

BPF 3 2 200 SHT curve GB

Figure 3

BPF 3 3 200 SHT Curve GB

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