HEM188B Limiting Amplifier BOWEI INTEGRATED CIRCUITS CO.,LTD. Typical Curves GAIN Gain(dB) 20 Features Frequency Range: 2～4GHz l l Stable limiting：<1dB（Typ） l Output limiting level：≥10dBm l Thin film hybrid circuit,high reliability l 50Ω impedance l Custom limiting level available l Vcc＝+12V or +15V l Operating temperature range：-55℃～+85℃ Phase(°) GHZ 2～4 2～4 dB 10 11 △Gp dB ±0.75 ±0.5 Noise figure Fn dB 8.5 △ 8.0 Output Limiting level Po dBm ≥10.0 － VSWR － 2.0:1 1.7:1 ICC mA 55 50 Gain Flatness VSWR Supply current 0 -20 -45 Typical Unit Guaranteed Gp Gain f=2GHz f=3GHz f=4GHz 20 fL～fH Frequency range VSWR VSWRi VSWRo 1.4 1.0 Note: “Δ”TA=24±1℃. 4 3 Frequency(GHz) OUTPUT POWER 1 Maximum Ratings Power supply: +6VDC RF input: +20dBm Storage Temp: +125℃ 2 HEM188B 4 Lot number Output Power(dBm) 20 3 TA=+25℃ TA=+85℃ TA= - 55℃ 10 0 SMO-8D 2 Application Notes ●TEL:+86-311-87091891 15 -25 -5 Input Power（dBm） 2.0 2 4 3 Frequency(GHz) INPUT POWER VS. OUTPUT POWER 15 +5V C2 C1 1 IN 4 2 Shell OUT Output Power(dBm) 1.Typical application shown as right, C1=3.3～22μF, C2=1000～3300pF. 2.Keep the bottom of amplifier closely to PCB for better grounded when assembling. 3.up to 70dB limiting amplifier is available by means of cascade 4.Connectorized package (SMA-1) available. 5.See assembly section for outline and mounting information. 4 3 Frequency(GHz) PHASE SHIFT VS. INPUT POWER VSWR Symbol TA=+25℃ TA=+85℃ TA= - 55℃ 2 Electrical (50Ω, VCC=+5V, -55℃≤TA≤＋85℃) Parameter 10 5 -5 -15 -25 -45 f=3GHz TA=+85℃ TA=+25℃ TA= - 55℃ -25 -5 Input Power（dBm） 15 87091887 ● FAX:+86-311-87091282 ● http://www.cn-bowei.com ● E-mail:cjian @cn-bowei.com 108