Category	Item	Specification Parameters
Core Features?	Built-in filtering function	Yes
	Low phase noise	Yes
	Compact structure & lightweight	Yes
	Suitable for outdoor environments	Yes
	Wide operating temperature range	Yes
	Ultra-thin design	Compatible with 1U rack-mount internal applications
Product Description?	Product Type	Professional X-band Phase-Locked Loop Down Converter (PLL BDC)
	Frequency Range	7.25–7.75 GHz
	Local Oscillator (LO) Frequency	6.30 GHz or customized (factory programmable)
	Features	Built-in filtering design, improves Tx and IF margins, high IP3, low power consumption
	RF Input Interface	SMA female, 50 Ω
	IF Output	Standard L-band, non-inverted spectrum
	Output Connector	N-type, SMA-type or F-type
	Optional Configurations	Custom LO, custom gain, independent DC input, independent external 10 MHz reference input
	LO Reference	Supports internal or external 10 MHz reference
Connector Configuration?	Standard (A)?
	Type	N-type female (F-type female or SMA-type female optional)
	Function	L-band output, DC input, external 10 MHz input
	Optional (B)?
	Type	SMA-type female
	Function	External DC input or external 10 MHz reference input
Input Characteristics?	Input Frequency	7.25–7.75 GHz
	Local Oscillator (LO) Frequency	6.30 GHz or customized (factory programmable)
	Input Interface	SMA female, 50 Ω
	DC Input	Powered via output connector, 12 to 18 V
	Operating Current	Typical value: 300–400 mA
	Input Voltage Standing Wave Ratio (VSWR)	Max. 1.7:1
	LO Reference	Internal reference or external 10 MHz reference (model dependent)
Internal Characteristics?	Models with External LO Reference?
	Signal Type	Sine wave, level: -10 to 10 dBm
	Power Supply	Via output connector
	LO Offset	-20 ppm without external 10 MHz signal
	Models with Internal LO Reference?
	Frequency Stability	±0.5 ppm (-20 to 70℃) ±1 ppm (-40 to 80℃) ±1 ppm (-20 to 70℃) ±1.5 ppm (-40 to 80℃)
	LO Leakage	Max. -60 dBm (RF input port)
	Gain	Customizable, 0–55 dB (5 dB step, factory programmable)
	24-hour Gain Variation	±0.1 dB (23℃ ambient temperature)
	Gain Flatness	±0.4 dB (30 MHz bandwidth) Max. ±2 dB (full band)
	Noise Figure	Max. 1.0 dB / 75 K (at 50 dB gain) Approx. 20 dB / 28710 K (at 0 dB gain)
	Phase Noise (Typical Value)?
	@ 10 Hz	-40 dBc
	@ 100 Hz	-62 dBc
	@ 1 kHz	-80 dBc
	@ 10 kHz	-88 dBc
	@ 100 kHz	-95 dBc
	@ >1 MHz	-120 dBc
	Filter Attenuation	15 dB @ 7.90 GHz